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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
871171
806993
OEM Mercury 40-60HP 300 Hour Service Kit With Oil
Mercury 40-60HP 300 Hour Kit BigFoot / Command Thrust
The Mercury 8M0090559-L 300 Hour Service Kit is a complete maintenance package for Mercury 40HP, 50HP, and 60HP FourStroke EFI outboards with serial numbers 1C000001 and higher equipped with BigFoot or Command Thrust gearcases.
This 300 hour maintenance kit includes the required service components along with engine oil and gear lube for routine scheduled maintenance.
Compatible Applications
| Brand | Horsepower | Engine Type | Gearcase Type | Serial Range |
|---|---|---|---|---|
| Mercury | 40HP | FourStroke EFI Outboard | BigFoot / Command Thrust | 1C000001 & Higher |
| Mercury | 50HP | FourStroke EFI Outboard | BigFoot / Command Thrust | 1C000001 & Higher |
| Mercury | 60HP | FourStroke EFI Outboard | BigFoot / Command Thrust | 1C000001 & Higher |
This Mercury 300 hour service kit fits Mercury 40-60HP FourStroke EFI outboards with serial numbers 1C000001 and higher equipped with BigFoot or Command Thrust gearcases only.
If your engine has a standard gearcase, use the standard gearcase 300 hour 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 |
| Mercury Engine Oil | Engine oil service |
| Mercury Gear Lube | Gearcase lubricant service |
Prefer to Choose a Different Oil?
Some customers prefer to purchase their own Mercury oil separately, including Mercury 25W40, Synthetic Blend, or Full Synthetic options.
If you prefer to select your own engine oil and gear lube, order the standard 300 hour kit below.
Order 8M0090559 - Oil and Gear Lube Sold SeparatelyIncluded Oil & Gear Lube Information
This kit includes Mercury engine oil and gear lube for the complete 300 hour maintenance service.
Mercury 40-60HP FourStroke EFI engines use approximately 4 quarts of engine oil, or 1 gallon.
BigFoot and Command Thrust gearcases may require different gear lube fill amounts than standard gearcases. Always verify fill quantity in your Mercury owner's manual.
Standard Gearcase 300 Hour Kits
300 Hour Kit - Standard Gearcase
Use this kit for Mercury 40-60HP EFI outboards with standard gearcases. Oil and gear lube sold separately.
View Product
300 Hour Kit With Oil - Standard Gearcase
Complete 300 hour maintenance kit with oil and gear lube for compatible standard gearcase models.
View ProductWhat This Service Kit is Used For
The Mercury 8M0090559-L service kit is used for 300 hour maintenance on compatible Mercury 40HP, 50HP, and 60HP FourStroke EFI outboards equipped with BigFoot or Command Thrust gearcases.
A 300 hour maintenance service is more extensive than a standard 100 hour service and commonly includes fuel system maintenance, cooling system service, spark plug replacement, water pump service, oil service, and gearcase maintenance.
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 BigFoot and Command Thrust gearcase models
- Includes engine oil and gear lube
- Complete maintenance package for scheduled service
- Alternative kit available for customers preferring different oils
- Standard gearcase kits linked above
Service Kit Details
- Part Number: 8M0090559-L
- Base Kit: 8M0090559
- Application: Mercury 40-60HP FourStroke EFI Outboards
- Serial Range: 1C000001 & Higher
- Gearcase Type: BigFoot / Command Thrust
- Service Interval: 300 Hour Maintenance
- Oil Included: Yes
- Gear Lube Included: Yes
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 BigFoot
or Command Thrust gearcases.
Does this fit standard gearcase models?
No. This kit is for BigFoot and Command Thrust gearcases only.
Standard gearcase kits are linked above.
Does this kit include oil and gear lube?
Yes. This kit includes Mercury engine oil and gear lube.
What if I prefer a different oil?
Customers who prefer different Mercury oil options can order
the standard 8M0090559 kit and select their preferred oil separately.
How do I know if I have a BigFoot or Command Thrust gearcase?
Verify your gearcase type using your Mercury model information
or owner's manual 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.
- 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
8M0090559-L, 8M0090559, 8M0113483, 8M0113483-L, Mercury 40HP 300 hour kit with oil, Mercury 50HP 300 hour kit with oil, Mercury 60HP 300 hour kit with oil, Mercury BigFoot 300 hour service kit, Mercury Command Thrust 300 hour kit, Mercury 40-60HP BigFoot maintenance kit, Mercury 40-60HP Command Thrust maintenance kit, Mercury serial 1C000001 300 hour service, Mercury standard gearcase 300 hour kit, Mercury 300 hour kit with oil and gear lube, Mercury FourStroke EFI 300 hour service
OEM Mercury 100 Hour Service Kit
Mercury L6 Verado 200HP-400HP Serial 2B144123-Up Maintenance Kit
This genuine OEM Mercury maintenance kit contains the routine service components needed for compatible Mercury L6 Verado 200HP-400HP FourStroke outboards.
Designed for scheduled 100 hour maintenance service on compatible Verado models beginning with serial range 2B144123 and newer. This version does NOT include engine oil or gear lube.
Compatible Applications
| Engine Platform | Horsepower Range | Serial Range | Application Notes |
|---|---|---|---|
| Mercury L6 Verado | 200HP-400HP | 2B144123-Up | Select L6 FourStroke Verado outboards |
If you would like the complete maintenance kit including oil (10W30) and gear lube, see this version instead:
View Complete Mercury Service Kit With Oil & Gear Lube
What is Included
| Qty | Included Component | Application |
|---|---|---|
| 1 | OEM Mercury Oil Filter | Routine engine oil service |
| 1 | Water Separating Fuel Filter | Fuel filtration service |
| 1 | Drain Seals & Service Components | Routine maintenance service |
Recommended Gear Lube
Mercury High Performance Gear Lube Quart
Quantity Required: 2 Quarts
Recommended Engine Oil Options
| Oil Type | Product | Quantity Required |
|---|---|---|
| Mercury SAE 10W30 | Mercury 10W30 Engine Oil Gallon | 2 Gallons |
| Mercury 10W30 Synthetic Blend | Mercury 10W30 Synthetic Blend Gallon | 2 Gallons |
| Mercury 25W40 Synthetic Blend | Mercury 25W40 Synthetic Blend Gallon | 2 Gallons |
| Mercury 25W40 Engine Oil | Mercury 25W40 Engine Oil | 8 Quarts |
Recommended Verado Anode Kits
Mercury L6 Verado 200HP-300HP Anode Kit
Tecno Seal aluminum anode kit for Mercury inline 6-cylinder Verado 200HP-300HP outboards. Helps protect transom and gearcase components from galvanic corrosion.
View Product
Mercury L6 Verado 350HP-400HP Anode Kit
Tecno Seal aluminum anode kit for Mercury L6 Verado 350HP-400HP outboards. Designed for corrosion protection of gearcase and transom components.
View ProductWhat This Service Kit is Used For
This OEM Mercury service kit provides the routine maintenance components required for scheduled 100 hour service on compatible Mercury L6 Verado FourStroke outboards.
Regular maintenance helps support fuel system cleanliness, engine lubrication performance, cooling system reliability, and long-term engine durability.
Replacing filters and service components at recommended service intervals helps reduce engine wear and maintain dependable offshore performance.
Many customers prefer this version of the kit because it allows them to select their preferred Mercury engine oil and gear lube separately.
Key Features and Benefits
- Genuine OEM Mercury 100 hour maintenance kit
- Fits Mercury L6 Verado 200HP-400HP outboards
- Fits serial number range 2B144123 and newer
- Includes OEM Mercury maintenance components
- Designed for routine scheduled service
- Does not include engine oil or gear lube
- Allows customers to choose preferred Mercury lubricants
- Convenient all-in-one maintenance package
Service Kit Details
- Kit Part Number: 8M0120657
- Brand: Mercury Marine
- Application: Mercury L6 Verado 200HP-400HP
- Serial Range: 2B144123-Up
- Service Interval: 100 Hour Maintenance
- Oil Included: No
- Gear Lube Included: No
- Engine Platform: L6 Verado FourStroke
FAQ
What engines does this service kit fit?
This kit fits compatible Mercury L6 Verado 200HP-400HP FourStroke outboards with serial numbers 2B144123 and newer.
Does this kit include engine oil?
No. Engine oil must be purchased separately.
Does this kit include gear lube?
No. Gear lube must be purchased separately.
Can I purchase a complete kit with oil and gear lube included?
Yes. Mercury also offers a complete version of this kit that includes both engine oil and gear lube.
How often should this maintenance be performed?
Mercury recommends routine 100 hour or annual maintenance depending on operating conditions and usage.
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
8M0120657, Mercury L6 Verado service kit, Mercury Verado 100 hour kit, Mercury 200HP Verado maintenance kit, Mercury 225HP Verado maintenance kit, Mercury 250HP Verado maintenance kit, Mercury 300HP Verado maintenance kit, Mercury 350HP Verado maintenance kit, Mercury 400HP Verado maintenance kit, Mercury Verado oil change kit, Mercury Verado maintenance parts, Mercury 100 hour maintenance kit, Mercury serial 2B144123-Up service kit
