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OEM Mercury 300 Hour Service Kit
Mercury 5.7L V10 350HP-425HP Verado 300 Hour Maintenance Kit
This OEM Mercury 300 hour service kit is designed for Mercury 5.7L V10 350HP-425HP Verado outboards equipped with the 6.44 gearcase. It includes the major scheduled maintenance components needed for 300 hour service.
This version does not include engine oil or gear lube, making it a good option for customers who want to choose their Mercury 25W40 oil and gear lube separately.
Compatible Applications
| Engine Platform | Horsepower Range | Displacement | Application Notes |
|---|---|---|---|
| Mercury Verado V10 | 350HP-425HP | 5.7L FourStroke | Models equipped with the Mercury 6.44 gearcase only |
This service kit is specifically for Mercury 5.7L V10 Verado models equipped with the 6.44 gearcase.
Always verify your gearcase configuration before ordering maintenance components.
This 300 hour kit does not include engine oil or gear lube. If you prefer the version with Mercury 25W40 engine oil included, use this option:
View Mercury V10 300 Hour Service Kit With Oil
What is Included
| Included Component | Application |
|---|---|
| OEM Mercury 300 hour maintenance components | Scheduled Mercury V10 service interval |
| OEM Mercury oil filter | Engine oil filtration service |
| OEM Mercury fuel filter components | Fuel system maintenance |
| OEM Mercury spark plugs | Ignition system maintenance |
| OEM Mercury thermostat and cooling system components | Cooling system maintenance |
| OEM Mercury water pump repair components | Water pump service |
| OEM Mercury seals and maintenance hardware | Routine scheduled maintenance replacement items |
Additional Mercury 25W40 Oil Options
| Oil Type | Product | Quantity Required |
|---|---|---|
| Mercury 25W40 Quart | Mercury 25W40 Engine Oil - 1 Quart | 10 Quarts |
| Mercury 25W40 Gallon + Quart Combination |
Mercury Verado 25W40 Engine Oil - 1 Gallon
Mercury 25W40 Engine Oil - 1 Quart |
2 Gallons + 2 Quarts |
Recommended Gear Lube Options
| Gear Lube | Product | Quantity Required |
|---|---|---|
| Premium 80W90 Gear Lube | Mercury Premium 80W90 Gear Lube | Standard rotation: 1 quart Counter rotation: 3 quarts |
| Extreme Performance 85W90 Gear Lube | Mercury Extreme Performance Gear Lube | Standard rotation: 1 quart Counter rotation: 3 quarts |
Standard rotation Mercury V10 gearcases use approximately 1 quart of gear lube.
Counter rotation Mercury V10 gearcases use approximately 2.3 quarts, so customers should order 3 quarts for proper service.
Complete Your Service
300 Hour Service Kit With Oil
Complete OEM Mercury 300 hour maintenance kit with Mercury 25W40 engine oil for Mercury 5.7L V10 350HP-425HP Verado outboards with the 6.44 gearcase.
View Product
Mercury V10 Anode Kit
OEM Mercury anode kit for Mercury 5.7L V10 350HP-425HP Verado outboards. Helps protect against galvanic corrosion in freshwater and saltwater use.
View ProductWhat This Service Kit is Used For
This OEM Mercury 300 hour service kit is used for major scheduled maintenance on compatible Mercury 5.7L V10 Verado 350HP-425HP outboards equipped with the 6.44 gearcase.
Routine 300 hour maintenance helps support long-term engine reliability, cooling system performance, fuel system operation, and proper water pump function.
This version is intended for customers who prefer to select their own Mercury 25W40 engine oil and gear lube separately.
Customers performing 300 hour service should also inspect anodes, lower unit lubricant condition, and additional wear items depending on engine hours and operating conditions.
Key Features and Benefits
- OEM Mercury 300 hour maintenance kit
- Fits Mercury 5.7L V10 350HP-425HP Verado models with the 6.44 gearcase
- Designed for scheduled 300 hour service
- Does not include engine oil or gear lube
- Allows customers to choose preferred Mercury lubricants separately
- Includes major maintenance service components
- Supports cooling system and water pump maintenance
- Pairs with Mercury V10 anode maintenance components
Service Kit Details
- Kit Part Number: 8M0207808
- Brand: Mercury Marine
- Application: Mercury 5.7L V10 Verado Outboards
- Horsepower Range: 350HP-425HP
- Gearcase Requirement: Mercury 6.44 Gearcase Only
- Service Interval: 300 Hour Maintenance
- Engine Oil Included: No
- Gear Lube Included: No
- Oil Quantity Required: 2 gallons + 2 quarts, or 10 quarts
- Standard Rotation Gear Lube Required: Approximately 1 quart
- Counter Rotation Gear Lube Required: Approximately 2.3 quarts - order 3 quarts
FAQ
What engines does this 300 hour service kit fit?
This kit fits Mercury 5.7L V10 Verado 350HP-425HP outboards equipped with the 6.44 gearcase.
Does this kit include engine oil?
No. Mercury 25W40 engine oil is sold separately and linked above.
Does this kit include gear lube?
No. Gear lube is sold separately because standard rotation and counter rotation gearcases use different amounts.
How much gear lube should I order?
Standard rotation gearcases use approximately 1 quart. Counter rotation gearcases use approximately 2.3 quarts, so order 3 quarts for counter rotation service.
Is there a version with oil included?
Yes. The Mercury 8M0207808-L version includes Mercury 25W40 engine oil and is linked above.
Why is the 6.44 gearcase important?
Mercury used different gearcase configurations on V10 Verado models, so this kit is specifically intended for engines equipped with the 6.44 gearcase.
Dealer Discounts & Store Policies
Dealer / Marine Industry Discounts
Are you a marine dealer, technician, boat builder, or industry professional? We offer dealer pricing for qualified marine businesses.
Shipping Policy
- Free shipping on orders over $100 continental U.S.
- Orders ship via UPS, USPS, and FedEx.
- Orders received before 5:30 PM EST ship the same business day.
- Typical delivery time is 1–5 business days.
30-Day Return Policy
- Returns accepted within 30 days of delivery.
- Maintenance kits must be new, unused, and in original packaging.
- Return authorization is required before sending items back.
Need help with a return or order question?
Contact Us
Phone: 941-721-3000
Searchable Terms
8M0207808, Mercury V10 300 hour service kit, Mercury 5.7L V10 service kit, Mercury Verado V10 maintenance kit, Mercury 350HP service kit, Mercury 400HP service kit, Mercury 425HP service kit, Mercury 6.44 gearcase service kit, Mercury V10 kit without oil, Mercury 25W40 oil, Mercury Premium 80W90 gear lube, Mercury Extreme Performance gear lube, Mercury V10 anode kit, Mercury Verado maintenance parts
OEM Mercury 100 Hour Service Kit
Mercury 5.7L V10 350HP-425HP Verado 100 Hour Maintenance Kit
This OEM Mercury 100 hour service kit is designed for Mercury 5.7L V10 350HP-425HP Verado outboards. It includes the routine maintenance components needed for scheduled 100 hour service.
This version does not include engine oil or gear lube, making it a good option for customers who want to choose their preferred Mercury 25W40 oil and gear lube separately.
Compatible Applications
| Engine Platform | Horsepower Range | Displacement | Application Notes |
|---|---|---|---|
| Mercury Verado V10 | 350HP-425HP | 5.7L FourStroke | All Mercury 5.7L V10 Verado outboards |
This 100 hour kit does not include engine oil or gear lube. If you prefer a complete 100 hour kit with Mercury 25W40 engine oil included, use this version:
View Mercury V10 100 Hour Service Kit With Oil
What is Included
| Included Component | Application |
|---|---|
| OEM Mercury oil filter | Engine oil filtration service |
| OEM Mercury fuel filter components | Fuel system maintenance |
| OEM Mercury drain seals and service components | Routine maintenance replacement items |
| 100 hour maintenance parts | Scheduled Mercury V10 service interval |
Additional Mercury 25W40 Oil Options
| Oil Type | Product | Quantity Required |
|---|---|---|
| Mercury 25W40 Quart | Mercury 25W40 Engine Oil - 1 Quart | 10 Quarts |
| Mercury 25W40 Gallon + Quart Combination |
Mercury Verado 25W40 Engine Oil - 1 Gallon
Mercury 25W40 Engine Oil - 1 Quart |
2 Gallons + 2 Quarts |
Recommended Gear Lube Options
| Gear Lube | Product | Quantity Required |
|---|---|---|
| Premium 80W90 Gear Lube | Mercury Premium 80W90 Gear Lube | Standard rotation: 1 quart Counter rotation: 3 quarts |
| Extreme Performance 85W90 Gear Lube | Mercury Extreme Performance Gear Lube | Standard rotation: 1 quart Counter rotation: 3 quarts |
Counter rotation Mercury V10 gearcases use approximately 2.3 quarts, so customers should order 3 quarts for proper service.
Complete Your Service
300 Hour Service Kit Without Oil
OEM Mercury 300 hour service kit for Mercury 5.7L V10 350HP-425HP outboards without engine oil or gear lube.
View Product
300 Hour Service Kit With Oil
Complete OEM Mercury 300 hour service kit with oil for Mercury 5.7L V10 350HP-425HP Verado engines.
View Product
Mercury V10 Anode Kit
OEM Mercury anode kit for Mercury 5.7L V10 350HP-425HP Verado outboards.
View ProductWhat This Service Kit is Used For
This OEM Mercury 100 hour service kit is used for scheduled maintenance on compatible Mercury 5.7L V10 Verado 350HP-425HP outboards.
Routine 100 hour maintenance helps support engine reliability, fuel system cleanliness, lubrication performance, and long-term outboard durability.
This no-oil version is ideal for customers who want the OEM Mercury service components but prefer to choose their engine oil and gear lube separately.
Customers performing service should also inspect gear lube, anodes, filters, and any 300-hour maintenance items depending on hours and service history.
Key Features and Benefits
- OEM Mercury 100 hour maintenance kit
- Fits Mercury 5.7L V10 350HP-425HP Verado outboards
- Designed for scheduled 100 hour service
- Does not include engine oil or gear lube
- Allows customers to choose preferred Mercury 25W40 oil separately
- Gear lube options available separately for lower unit service
- Pairs with Mercury V10 300-hour and anode maintenance kits
- Helps support long-term engine reliability and performance
Service Kit Details
- Kit Part Number: 8M0207807
- Brand: Mercury Marine
- Application: Mercury 5.7L V10 Verado Outboards
- Horsepower Range: 350HP-425HP
- Service Interval: 100 Hour Maintenance
- Engine Oil Included: No
- Gear Lube Included: No
- Oil Quantity Required: 2 gallons + 2 quarts, or 10 quarts
- Related Maintenance: 300-hour service and anode replacement
FAQ
What engines does this 100 hour service kit fit?
This kit fits Mercury 5.7L V10 Verado 350HP-425HP outboards.
Does this kit include engine oil?
No. This version does not include engine oil. Mercury 25W40 oil options are listed above.
Does this kit include gear lube?
No. Gear lube is sold separately. Premium 80W90 and Extreme Performance 85W90 options are listed above.
How much engine oil is needed?
Mercury V10 oil service requires 2 gallons plus 2 quarts of 25W40 oil,
or 10 total quarts.
Is there a 100 hour kit with oil included?
Yes. The linked 8M0207807-L version includes oil for customers who want a more complete kit.
How much gear lube does the V10 gearcase use?
Standard rotation gearcases use approximately 1 quart. Counter rotation
gearcases use approximately 2.3 quarts, so order 3 quarts for
counter rotation service.
Dealer Discounts & Store Policies
Dealer / Marine Industry Discounts
Are you a marine dealer, technician, boat builder, or industry professional? We offer dealer pricing for qualified marine businesses.
Shipping Policy
- Free shipping on orders over $100 continental U.S.
- Orders ship via UPS, USPS, and FedEx.
- Orders received before 5:30 PM EST ship the same business day.
- Typical delivery time is 1–5 business days.
30-Day Return Policy
- Returns accepted within 30 days of delivery.
- Maintenance kits must be new, unused, and in original packaging.
- Return authorization is required before sending items back.
Need help with a return or order question?
Contact Us
Phone: 941-721-3000
Searchable Terms
8M0207807, Mercury V10 100 hour service kit, Mercury 5.7L V10 service kit, Mercury Verado V10 maintenance kit, Mercury 350HP service kit, Mercury 400HP service kit, Mercury 425HP service kit, Mercury V10 kit without oil, Mercury 25W40 oil, Mercury V10 gear lube, Mercury Premium 80W90 gear lube, Mercury Extreme Performance gear lube, Mercury V10 300 hour kit, Mercury V10 anode kit, Mercury Verado maintenance parts
OEM Mercury Verado Anode Kit
Mercury V10 Verado 350HP-425HP Corrosion Protection Kit
This genuine OEM Mercury anode kit helps protect compatible Mercury 5.7L V10 Verado 350HP-425HP outboards from galvanic corrosion.
The kit includes replacement trim anodes, power trim anodes, transom anode hardware, washers, and mounting screws for complete corrosion protection service.
Compatible Applications
| Engine Platform | Horsepower Range | Displacement | Application Notes |
|---|---|---|---|
| Mercury Verado V10 | 350HP-425HP | 5.7L FourStroke | Select Verado V10 outboards |
Regular inspection and replacement of worn anodes is recommended, especially for saltwater applications.
What is Included
| Qty | Included Component | Application |
|---|---|---|
| 2 | Trim Anodes | Outboard trim system protection |
| 2 | Power Trim Anodes | Hydraulic trim corrosion protection |
| 1 | Transom Anode | Transom assembly protection |
| Included | Washers & Mounting Screws | Anode installation hardware |
OEM Part Numbers & Cross References
| Brand | Part Number |
|---|---|
| Mercury OEM | 8M0207809 |
What This Anode Kit is Used For
This Mercury anode kit is used to help protect compatible Verado V10 outboards from galvanic corrosion caused by exposure to water, electrical currents, and dissimilar metals.
Sacrificial anodes help absorb corrosive activity before it can damage expensive outboard components such as the gearcase, trim system, mounting bracket, and transom components.
The included trim and power trim anodes are commonly replaced during routine maintenance or whenever excessive anode wear is present.
Mercury anodes are engineered to meet or exceed MIL-A-24779(SH) military specifications for long-lasting corrosion protection performance.
Key Features and Benefits
- Genuine OEM Mercury corrosion protection anode kit
- Fits Mercury 5.7L V10 Verado 350HP-425HP outboards
- Includes trim anodes, power trim anodes, and transom anode
- Includes washers and mounting screws
- Helps protect against galvanic corrosion
- Designed for freshwater and saltwater use
- Meets or exceeds MIL-A-24779(SH) specifications
- OEM Mercury fit and corrosion protection compatibility
Anode Kit Details
- Brand: Mercury Marine
- Part Type: Anode Kit / Corrosion Protection Kit
- OEM Part Number: 8M0207809
- Application: Mercury Verado V10 FourStroke
- Horsepower Range: 350HP-425HP
- Displacement: 5.7L V10
- Water Type: Freshwater & Saltwater Compatible
- System: Corrosion Protection / Trim System
FAQ
What engines does this anode kit fit?
This kit fits compatible Mercury 5.7L V10 Verado 350HP-425HP FourStroke outboards.
What is included in this anode kit?
The kit includes two trim anodes, two power trim anodes, one transom anode, washers, and mounting screws.
Can this anode kit be used in saltwater?
Yes. Mercury states this kit is designed for both freshwater and saltwater applications.
Why are anodes important?
Sacrificial anodes help protect expensive metal outboard components from galvanic corrosion and electrolysis.
How often should anodes be replaced?
Anodes should be inspected regularly and replaced whenever excessive wear or deterioration is present.
Dealer Discounts & Store Policies
Dealer / Marine Industry Discounts
Are you a marine dealer, technician, boat builder, or industry professional? We offer dealer pricing for qualified marine businesses.
Shipping Policy
- Free shipping on orders over $100 continental U.S.
- Orders ship via UPS, USPS, and FedEx.
- Orders received before 5:30 PM EST ship the same business day.
- Typical delivery time is 1–5 business days.
30-Day Return Policy
- Returns accepted within 30 days of delivery.
- Items must be new, unused, and in original packaging.
- Return authorization is required before sending items back.
Need help with a return or order question?
Contact Us
Phone: 941-721-3000
Searchable Terms
8M0207809, Mercury anode kit, Mercury Verado anode kit, Mercury 350HP Verado anodes, Mercury 400R anodes, Mercury 425HP Verado anodes, Mercury V10 corrosion kit, Mercury power trim anodes, Mercury transom anode, Mercury sacrificial anodes, Mercury corrosion protection kit, Mercury V10 trim anodes
Mercury Verado Power Steering Helm
Mercury Verado 50cm Tilt Power Steering Helm
This OEM Mercury 50cm power steering helm is the tilt version for Mercury Verado power steering systems. It is used when the boat requires an adjustable steering wheel position instead of a fixed non-tilt helm.
Match your original helm number, steering setup, and cross-reference numbers before ordering. For Verado pump service, Gen A/B replacement and Gen C pump options are linked below, along with Pro Marine's Gen B to Gen C conversion walkthrough.
Compatible Applications
| System | Helm Type | Fitment Note |
|---|---|---|
| Mercury Verado power steering systems | 50cm tilt helm | Verify the current helm number, steering configuration, and OEM cross-reference before ordering. |
Important Fitment Note
This is the tilt Mercury Verado helm. If the boat uses a fixed steering wheel position and does not need tilt adjustment, order the Mercury Verado 50cm non-tilt helm, item 8M0137449.
OEM & Cross Reference Numbers
| Type | Part Numbers |
|---|---|
| Pro Marine Item Number | 8M0137451 |
| Mercury Manufacturer Item | 8M0137451 |
| Cross Reference Numbers | 8M0030273, 8M0134636, 8M0134637, 8M0134638, 8M0137451, 8M0151559, 892516A01, 892516A02, 892516K01, 892516K02, 892516K03, 892516K11, 892516K12, 892516K31, 892516K32, 892516K33, 892516K51, 892516K52, 892516K53 |
What This Part is Used For
The helm is the steering control unit mounted behind the steering wheel at the dash. This Mercury 8M0137451 helm is used when replacing the adjustable tilt helm in a compatible Verado power steering system.
If the steering system has been converted, repaired, or mixed with later-generation pump components, verify the helm, hose, pump, and harness requirements before ordering.
Related Verado Power Steering Parts
Helm Power Steering Std 50Cm
Mercury Verado 50cm standard non-tilt power steering helm. Order this version when the application requires a fixed steering wheel position.
Item #: 8M0137449
View Non-Tilt Helm
Power Steering Fluid
Mercury full synthetic power steering fluid for compatible Mercury and Verado power steering service.
Item #: 858077
View Power Steering Fluid
Mercury Verado Gen A/B Power Steering Pump Replacement
Pro Marine replacement pump for Gen A and Gen B Verado power steering systems. Cross references 8M0134359 and 8M0134736.
Item #: 8M0134736P
View Gen A/B Pump
Power Steering Pump
OEM Mercury Verado Gen C power steering pump. Pump only; hoses and conversion parts are sold separately when required.
Item #: 8M0199048
View Gen C PumpGen B to Gen C Conversion Help
If you are replacing a Verado power steering pump and need to identify whether your boat has a Gen A/B or Gen C system, review Pro Marine's conversion walkthrough before ordering pump, harness, hose, or steering components.
Read the Verado Gen B to Gen C Power Steering Conversion GuideKey Features and Benefits
- OEM Mercury Marine 50cm power steering helm.
- Tilt design allows adjustable steering wheel positioning.
- Fits Verado power steering systems when the original application calls for this tilt helm.
- Cross references common Mercury tilt helm numbers including 892516A01, 892516A02, 892516K31, and 892516K32.
- Related non-tilt helm, power steering fluid, Gen A/B pump, Gen C pump, and conversion guide are linked for easier steering system service planning.
Product Details
| Product | Helm Power Steering With Tilt |
| Application | Mercury Verado power steering systems |
| Manufacturer | Mercury Marine |
| OEM or Aftermarket | OEM |
| Helm Style | Tilt |
FAQ
Is this the tilt helm?
Yes. This is the Mercury Verado 50cm tilt power steering helm. For the non-tilt version, order item 8M0137449.
What does this helm fit?
This helm fits Verado power steering systems that require the 50cm tilt helm. Verify your original helm part number and steering configuration before ordering.
Which pump should I order with Verado steering service?
Identify the pump generation first. Pro Marine offers a Gen A/B replacement pump, item 8M0134736P, and an OEM Mercury Gen C pump, item 8M0199048. Use the Gen B to Gen C conversion walkthrough if you are planning an upgrade.
Is power steering fluid linked for this system?
Yes. Mercury full synthetic power steering fluid is available separately as item 858077.
Dealer Discounts & Store Policies
Dealer / Marine Industry Discounts
Are you a marine dealer, technician, boat builder, or industry professional? We offer dealer pricing for qualified marine businesses.
Shipping Policy
- Free shipping on orders over $100 continental U.S.
- Orders ship via UPS, USPS, and FedEx.
- Orders received before 5:30 PM EST ship the same business day.
- Typical delivery time is 1-5 business days.
30-Day Return Policy
- Returns accepted within 30 days of delivery.
- Parts must be new, unused, and in original packaging.
- Installed parts are not returnable.
- Return authorization is required before sending items back.
Need help with a return or order question?
Contact Us
Phone: 941-721-3000
Searchable Terms
Mercury Verado tilt power steering helm, Mercury Verado 50cm helm, adjustable Verado helm, OEM Mercury tilt helm, Verado hydraulic power steering helm, Verado Gen B to Gen C conversion, Verado Gen C pump, Verado Gen A B pump.
Searchable Part Numbers
8M0137451, 8M0030273, 8M0134636, 8M0134637, 8M0134638, 8M0151559, 892516A01, 892516A02, 892516K01, 892516K02, 892516K03, 892516K11, 892516K12, 892516K31, 892516K32, 892516K33, 892516K51, 892516K52, 892516K53, 8M0137449, 858077, 858077K01, 858002K01, 858077KC1, 8M0134736P, 8M0134736, 8M0134359, 8M0199048.
8M0134636
8M0134637
8M0134638
8M0137451
8M0151559
892516A01
892516A02
892516K01
892516K02
892516K03
892516K11
892516K12
892516K31
892516K32
892516K33
892516K51
892516K52
892516K53
41499A87
41499A88
Mercury Verado Power Steering Helm
Mercury Verado 50cm Non-Tilt Power Steering Helm
This OEM Mercury 50cm power steering helm is the standard non-tilt helm for Mercury Verado power steering systems. It is used when the boat requires a fixed steering wheel position instead of an adjustable tilt helm.
Match your original helm number, steering setup, and cross-reference numbers before ordering. For Verado pump service, Gen A/B replacement and Gen C pump options are linked below, along with Pro Marine's Gen B to Gen C conversion walkthrough.
Compatible Applications
| System | Helm Type | Fitment Note |
|---|---|---|
| Mercury Verado power steering systems | 50cm standard non-tilt helm | Verify the current helm number, steering configuration, and OEM cross-reference before ordering. |
Important Fitment Note
This is the non-tilt Mercury Verado helm. If the boat uses or needs a tilt steering wheel position, order the Mercury Verado 50cm tilt helm, item 8M0137451.
OEM & Cross Reference Numbers
| Type | Part Numbers |
|---|---|
| Pro Marine Item Number | 8M0137449 |
| Mercury Manufacturer Item | 8M0137449 |
| Cross Reference Numbers | 8M0134643, 8M0137449, 8M0151565, 8M0240081, 892558A01, 892558A02, 892558K12, 892558K32 |
What This Part is Used For
The helm is the steering control unit mounted behind the steering wheel at the dash. This Mercury 8M0137449 helm is used when replacing the standard fixed-position helm in a compatible Verado power steering system.
If the steering system has been converted, repaired, or mixed with later-generation pump components, verify the helm, hose, pump, and harness requirements before ordering.
Related Verado Power Steering Parts
Helm Power Steering With Tilt
Mercury Verado 50cm power steering helm with tilt. Order this version when the application requires a tilt steering wheel position.
Item #: 8M0137451
View Tilt Helm
Power Steering Fluid
Mercury full synthetic power steering fluid for compatible Mercury and Verado power steering service.
Item #: 858077
View Power Steering Fluid
Mercury Verado Gen A/B Power Steering Pump Replacement
Pro Marine replacement pump for Gen A and Gen B Verado power steering systems. Cross references 8M0134359 and 8M0134736.
Item #: 8M0134736P
View Gen A/B Pump
Power Steering Pump
OEM Mercury Verado Gen C power steering pump. Pump only; hoses and conversion parts are sold separately when required.
Item #: 8M0199048
View Gen C PumpGen B to Gen C Conversion Help
If you are replacing a Verado power steering pump and need to identify whether your boat has a Gen A/B or Gen C system, review Pro Marine's conversion walkthrough before ordering pump, harness, hose, or steering components.
Read the Verado Gen B to Gen C Power Steering Conversion GuideKey Features and Benefits
- OEM Mercury Marine 50cm power steering helm.
- Standard non-tilt design for a fixed steering wheel position.
- Fits Verado power steering systems when the original application calls for this non-tilt helm.
- Cross references common Mercury helm numbers including 892558A01, 892558A02, 892558K12, and 892558K32.
- Related tilt helm, power steering fluid, Gen A/B pump, Gen C pump, and conversion guide are linked for easier steering system service planning.
Product Details
| Product | Helm Power Steering Std 50Cm |
| Application | Mercury Verado power steering systems |
| Manufacturer | Mercury Marine |
| OEM or Aftermarket | OEM |
| Helm Style | Standard non-tilt |
FAQ
Is this the tilt helm?
No. This is the standard non-tilt Mercury Verado helm. For the tilt version, order item 8M0137451.
What does this helm fit?
This helm fits Verado power steering systems that require the 50cm standard non-tilt helm. Verify your original helm part number and steering configuration before ordering.
Which pump should I order with Verado steering service?
Identify the pump generation first. Pro Marine offers a Gen A/B replacement pump, item 8M0134736P, and an OEM Mercury Gen C pump, item 8M0199048. Use the Gen B to Gen C conversion walkthrough if you are planning an upgrade.
Is power steering fluid linked for this system?
Yes. Mercury full synthetic power steering fluid is available separately as item 858077.
Dealer Discounts & Store Policies
Dealer / Marine Industry Discounts
Are you a marine dealer, technician, boat builder, or industry professional? We offer dealer pricing for qualified marine businesses.
Shipping Policy
- Free shipping on orders over $100 continental U.S.
- Orders ship via UPS, USPS, and FedEx.
- Orders received before 5:30 PM EST ship the same business day.
- Typical delivery time is 1-5 business days.
30-Day Return Policy
- Returns accepted within 30 days of delivery.
- Parts must be new, unused, and in original packaging.
- Installed parts are not returnable.
- Return authorization is required before sending items back.
Need help with a return or order question?
Contact Us
Phone: 941-721-3000
Searchable Terms
Mercury Verado power steering helm, Mercury Verado non-tilt helm, standard 50cm helm, fixed position Verado helm, OEM Mercury steering helm, Verado hydraulic power steering helm, Verado Gen B to Gen C conversion, Verado Gen C pump, Verado Gen A B pump.
Searchable Part Numbers
8M0137449, 8M0134643, 8M0151565, 8M0240081, 892558A01, 892558A02, 892558K12, 892558K32, 8M0137451, 858077, 858077K01, 858002K01, 858077KC1, 8M0134736P, 8M0134736, 8M0134359, 8M0199048.
8M0137449
8M0137449
8M0151565
8M0240081
892558A01
892558A02
892558K12
892558K12
892558K32
OEM Mercury 40-60HP 300 Hour Service Kit
Mercury 40-60HP 300 Hour Kit Standard Gearcase
The Mercury 8M0113483 300 Hour Service Kit is designed for compatible Mercury 40HP, 50HP, and 60HP FourStroke EFI outboards with serial numbers 1C000001 and higher equipped with standard gearcases.
This 300 hour maintenance kit includes the routine service components commonly replaced during scheduled maintenance. Oil and gear lube are sold separately.
Compatible Applications
| Brand | Horsepower | Engine Type | Gearcase Type | Serial Range |
|---|---|---|---|---|
| Mercury | 40HP | FourStroke EFI Outboard | Standard Gearcase | 1C000001 & Higher |
| Mercury | 50HP | FourStroke EFI Outboard | Standard Gearcase | 1C000001 & Higher |
| Mercury | 60HP | FourStroke EFI Outboard | Standard Gearcase | 1C000001 & Higher |
This Mercury 300 hour service kit fits Mercury 40-60HP FourStroke EFI outboards with serial numbers 1C000001 and higher equipped with standard gearcases only.
If your engine has a BigFoot or Command Thrust gearcase, use the BigFoot / Command Thrust kits linked below instead.
What is Included
| Included Component | Application |
|---|---|
| Oil Filter | Engine oil filtration service |
| Fuel Filters | Fuel system maintenance |
| Spark Plugs | Ignition system maintenance |
| Water Pump Components | Cooling system service |
| Thermostat Components | Cooling system maintenance |
| Drain & Vent Seals | Gearcase service |
Prefer to Buy the Kit with 10W30 Oil & Gear Lube?
Mercury 300 Hour Kit With 10W30 Oil & Gear Lube
Prefer a complete maintenance package? Order the Mercury 8M0113483-L 300 Hour Service Kit with Mercury 10W30 engine oil and gear lube included.
View Complete KitOil Capacity & Recommended Oil Options
Mercury 40-60HP FourStroke EFI engines use approximately 4 quarts of engine oil, or 1 gallon.
| Oil Type | Product | Quantity Required |
|---|---|---|
| Mercury 10W30 | Mercury 10W30 Engine Oil - Quart | 4 quarts |
| Mercury 10W30 | Mercury 10W30 Engine Oil - Gallon | 1 gallon |
| Mercury 10W30 Synthetic Blend | Mercury 10W30 Synthetic Blend - Quart | 4 quarts |
| Mercury 10W30 Synthetic Blend | Mercury 10W30 Synthetic Blend - Gallon | 1 gallon |
| Mercury 10W30 Full Synthetic | Mercury 10W30 Full Synthetic - Gallon | 1 gallon |
| Mercury 25W40 | Mercury 25W40 Engine Oil - Quart | 4 quarts |
| Mercury 25W40 Synthetic Blend | Mercury 25W40 Synthetic Blend - Quart | 4 quarts |
| Mercury 25W40 Synthetic Blend | Mercury 25W40 Synthetic Blend - Gallon | 1 gallon |
Recommended Gear Lube
Gear Lube Quantity:
Standard gearcase applications use approximately
1 quart of gear lube.
| Gear Lube Type | Product |
|---|---|
| Mercury Premium Gear Lube 80W90 | Mercury Premium Gear Lube 80W90 - Quart |
| Mercury High Performance Gear Lube | Mercury High Performance Gear Lube - Quart |
BigFoot / Command Thrust 300 Hour Kits
300 Hour Kit - BigFoot / Command Thrust
Use this kit for Mercury 40-60HP EFI outboards with BigFoot or Command Thrust gearcases. Oil and gear lube sold separately.
View Product
300 Hour Kit With Oil - BigFoot / Command Thrust
Complete 300 hour maintenance kit with oil and gear lube for compatible BigFoot and Command Thrust gearcase models.
View ProductWhat This Service Kit is Used For
The Mercury 8M0113483 service kit is used for 300 hour maintenance on compatible Mercury 40HP, 50HP, and 60HP FourStroke EFI outboards equipped with standard gearcases.
A 300 hour service includes more extensive maintenance than a basic 100 hour service and helps support fuel system performance, cooling system reliability, ignition performance, lubrication service, and long-term outboard protection.
Key Features and Benefits
- OEM Mercury 300 hour service kit
- Fits Mercury 40HP, 50HP, and 60HP FourStroke EFI outboards
- Fits serial numbers 1C000001 and higher
- For standard gearcase models only
- Oil and gear lube sold separately
- Kit with 10W30 oil and gear lube available separately
- BigFoot / Command Thrust kits linked above
Service Kit Details
- Part Number: 8M0113483
- Application: Mercury 40-60HP FourStroke EFI Outboards
- Serial Range: 1C000001 & Higher
- Gearcase Type: Standard Gearcase
- Service Interval: 300 Hour Maintenance
- Oil and Gear Lube: Sold Separately
FAQ
What engines does this kit fit?
This kit fits Mercury 40HP, 50HP, and 60HP FourStroke EFI outboards
with serial numbers 1C000001 and higher equipped with standard gearcases.
Does this fit BigFoot or Command Thrust gearcases?
No. BigFoot and Command Thrust kits are linked above.
Does this kit include oil and gear lube?
Oil and gear lube are sold separately.
Is there a version with 10W30 oil and gear lube included?
Yes. The Mercury 8M0113483-L kit with 10W30 oil and gear lube
is linked above.
How much engine oil does this motor use?
Approximately 4 quarts or 1 gallon.
How much gear lube is required?
Approximately 1 quart for standard gearcase models.
Dealer Discounts & Store Policies
Dealer / Marine Industry Discounts
Are you a marine dealer, technician, boat builder, or industry professional? We offer dealer pricing for qualified marine businesses.
Shipping Policy
- Free shipping on orders over $100 continental U.S.
- Orders ship via UPS, USPS, and FedEx.
- Orders received before 5:30 PM EST ship the same business day.
- Typical delivery time is 1-5 business days.
30-Day Return Policy
- Returns accepted within 30 days of delivery.
- Maintenance kits must be new, unused, and in original packaging.
- Opened oil and lubricants may not be returnable.
- Return authorization is required before sending items back.
Need help with a return or order question?
Contact Us
Phone: 941-721-3000
Searchable Terms
8M0113483, 8M0113483-L, 8M0090559, 8M0090559-L, Mercury 40HP 300 hour kit, Mercury 50HP 300 hour kit, Mercury 60HP 300 hour kit, Mercury standard gearcase 300 hour kit, Mercury 40-60HP standard gearcase maintenance, Mercury serial 1C000001 300 hour kit, Mercury 300 hour kit oil and gear lube sold separately, Mercury 300 hour kit with 10W30, Mercury BigFoot 300 hour kit, Mercury Command Thrust 300 hour kit, Mercury FourStroke EFI 300 hour service
60476A73
60476A74
60476A75
85653A32
85653A79
85653A87
871171
Mercury SmartCraft Rigging
Mercury VesselView SmartCraft Power Harness 8M0111668
Mercury 8M0111668 is a Power Harness, also referred to as a Power / SmartCraft Harness, used in Mercury SmartCraft rigging and instrumentation systems.
This harness is primarily used with VesselView 702 and VesselView 703 digital displays and SmartCraft junction box connections. It provides power and SmartCraft data connectivity as part of the display and monitoring system setup.
Compatible Applications
| Brand | Engine / System | Application | Fitment Note |
|---|---|---|---|
| Mercury | SmartCraft rigging systems | Power and data harness | Used where 8M0111668 is specified in the rigging diagram |
| Mercury | VesselView 702 digital display | Display power and SmartCraft connection | Confirm by display package and junction box layout |
| Mercury | VesselView 703 digital display | Display power and SmartCraft data connection | Confirm rigging diagram before ordering |
| Mercury / MerCruiser | Outboard, sterndrive, and inboard SmartCraft systems | Junction box and instrumentation connections | Compatibility depends on engine, display, and SmartCraft network setup |
Important Fitment Note
SmartCraft harness compatibility depends on the engine model, serial number, display model, junction box layout, and existing rigging. Always confirm compatibility using your Mercury rigging diagram and current harness part number before ordering.
OEM & Cross Reference Numbers
| Mercury OEM Number | 8M0111668 |
| Description | Power Harness / Power SmartCraft Harness |
| Known Supersessions | No supersession provided |
What This Part Is Used For
This power harness connects compatible VesselView displays into the Mercury SmartCraft network. It helps provide the electrical and data connection needed for the display to communicate with the engine monitoring system.
Replace a damaged, missing, corroded, or incorrect harness when installing or servicing VesselView 702, VesselView 703, or related SmartCraft instrumentation. Correct harness selection is important for reliable display operation and network communication.
Key Features and Benefits
- Mercury OEM power harness part number 8M0111668
- Used with select VesselView 702 and VesselView 703 display setups
- Supports SmartCraft power and data connections
- Connects into compatible SmartCraft junction box systems
- Used on Mercury outboard, MerCruiser sterndrive, and MerCruiser inboard SmartCraft rigging where specified
- Important replacement part for display installation, service, or rigging repair
FAQ
What is Mercury 8M0111668?
Mercury 8M0111668 is a Power Harness, also commonly referred to as a Power / SmartCraft Harness, for compatible Mercury SmartCraft instrumentation systems.
What displays use this harness?
This harness is primarily associated with VesselView 702 and VesselView 703 digital displays.
Does this connect to a SmartCraft junction box?
Yes. It is used in SmartCraft rigging setups that include junction box connections, depending on the display and network layout.
Will this fit every Mercury engine?
No. Harness fitment depends on the SmartCraft system, display model, engine setup, and rigging diagram. Confirm your current harness number or system layout before ordering.
Dealer Discounts & Store Policies
Dealer / Marine Industry Discounts
Are you a marine dealer, technician, boat builder, or industry professional? We offer dealer pricing for qualified marine businesses.
Shipping Policy
- Free shipping on orders over $100 continental U.S.
- Orders ship via UPS, USPS, and FedEx.
- Orders received before 5:30 PM EST ship the same business day.
- Typical delivery time is 1-5 business days.
30-Day Return Policy
- Returns accepted within 30 days of delivery.
- Parts must be new, unused, and in original packaging.
- Installed parts are not returnable.
- Return authorization is required before sending items back.
Need help with a return or order question?
Contact Us
Phone: 941-721-3000
Searchable Terms
Mercury power harness, Mercury SmartCraft harness, Mercury Power SmartCraft harness, VesselView 702 power harness, VesselView 703 power harness, Mercury VesselView harness, SmartCraft junction box harness, Mercury gauge harness, MerCruiser SmartCraft harness, Mercury rigging harness
Searchable Part Numbers
8M0111668