S2K Commerce - Products Dropdown
Actions
S2K Commerce - Order Entry
Actions
8M0142695
Mercury Shock Rod Assembly 8M0060145
The Mercury 8M0060145 Shock Rod Assembly is an OEM component used in the power trim system on select Mercury outboards. It helps control movement within the trim assembly and supports smooth, stable engine positioning during operation.
Fitment Overview
This shock rod assembly fits Mercury 105HP Jet, 135HP, and 150HP outboards using the earlier power trim assembly design for serial numbers 2B752836 and below.
Compatibility
| Engine Model | Horsepower | Serial Range |
|---|---|---|
| Mercury Jet | 105 HP | 2B752836 and Below |
| Mercury FourStroke | 135 HP | 2B752836 and Below |
| Mercury FourStroke | 150 HP | 2B752836 and Below |
Fits These Serial Ranges
Confirmed application: Mercury 105HP Jet, 135HP, and 150HP models using the earlier power trim assembly design for serial numbers 2B752836 and below.
Important: This part is for engines before the serial break. If your engine is
serial number 2B752836 and up, you will need the updated shock rod kit:
Mercury Shock Rod Kit 8M0168235 for 2B752836 and Up
Repair Your Existing Shock Rod Cap Instead
If your existing shock rod cap housing is still in good condition and only the seals are leaking or worn, you may be able to repair your current assembly instead of replacing the complete shock rod assembly.
Pro Marine now offers an all-new replacement seal kit designed for rebuilding compatible Mercury shock rod cap assemblies:
Pro Marine 8M0060145P Shock Rod Cap Seal Kit
- Lower-cost alternative to full assembly replacement
- Designed for compatible Mercury shock rod cap assemblies
- Ideal for leaking or worn seal repairs
- Great option when the original cap housing is still reusable
Part Numbers and Cross References
| Type | Part Number |
|---|---|
| Mercury OEM | 8M0060145 |
| Application | Shock Rod Assembly |
| System | Power Trim Assembly |
What This Part Is Used For
This shock rod assembly is used inside the power trim assembly to help control internal movement and support smooth trim operation. It plays a key role in stabilizing the engine during trim and reducing stress on trim system components.
- Used in Mercury power trim assemblies
- Supports smooth trim and tilt operation
- Helps control internal movement of trim components
- Designed for earlier trim assembly configurations
If you are servicing the trim system on a compatible Mercury outboard, this component may need replacement due to wear or internal damage.
System Function and Connections
- System Type: Hydraulic power trim
- Location: Inside the power trim assembly
- Related Components: Trim pump, pistons, cylinders, and bracket components
FAQ
What does Mercury 8M0060145 fit?
It fits Mercury 105HP Jet, 135HP, and 150HP outboards with serial numbers 2B752836 and below.
How do I know if I need this or the updated kit?
Check your serial number. If your engine is 2B752836 and below, use this part. If it is above that, use the updated 8M0168235 kit.
Can I repair my existing shock rod cap instead of replacing the full assembly?
Yes. If your cap housing is still reusable and only the seals are worn or leaking, the Pro Marine 8M0060145P seal kit may be a lower-cost repair option.
Is this part used in the steering system?
No. This is a component of the power trim assembly.
Why is the serial break important?
Mercury changed the trim system design, requiring different components before and after the serial break.
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 Part Numbers
8M0060145, Mercury shock rod assembly, Mercury 105HP Jet trim rod, Mercury 135HP trim rod, Mercury 150HP trim rod, Mercury trim system 2B752836 and below, 8M0060145P, Mercury shock rod seal kit, Pro Marine shock rod cap seal kit
8M0153723
8M0103092
895815
Mercury Engine Mounting and Cradle
Mercury 8M0154653 Mount Support Bracket
Mercury 8M0154653 is a mount support bracket used in the engine mounting or cradle area on select Mercury high-performance V8 outboards.
This current part number supersedes Mercury 8M0153941 and 8M0142777. Because mount and cradle parts can vary by model, serial range, and midsection configuration, confirm fitment by engine serial number before ordering.
Compatible Applications
| Brand | Engine / System | Application | Fitment Note |
|---|---|---|---|
| Mercury | 4.6L V8 Outboards | Select 250-300 HP, Pro XS, SeaPro, and related V8 models | Verify by serial number and mounting configuration |
| Mercury Racing | High-Performance V8 Applications | Select 300R, 400R, and 450R mount support applications | Confirm with OEM parts diagram for your serial number |
Important Fitment Note
Always confirm compatibility using your engine serial number, model, and existing part number before ordering. Mount support brackets are specific to certain cradle, midsection, and mount assembly configurations.
OEM & Cross Reference Numbers
| Current Mercury OEM Number | 8M0154653 |
| Superseded From | 8M0153941, 8M0142777 |
| Description | Bracket Mount Support / Mount Support Bracket |
What This Part Is Used For
This mount support bracket is used in the engine mounting or cradle assembly. It provides structural support in the mount area and helps maintain proper alignment and strength in the assembly.
Replacement may be needed if the original bracket is cracked, bent, corroded, damaged during service, or superseded during a mount assembly repair.
Key Features and Benefits
- Genuine Mercury OEM mount support bracket
- Current Mercury part number 8M0154653
- Supersedes 8M0153941 and 8M0142777
- Used in select Mercury V8 mount and cradle assemblies
- Supports high-performance V8 and Racing mounting applications
- Best verified by engine serial number and OEM parts diagram
FAQ
What does Mercury 8M0154653 replace?
Mercury 8M0154653 supersedes 8M0153941 and 8M0142777. These numbers refer to the same mount support bracket application.
What engines does this mount support bracket fit?
It is used on select Mercury high-performance V8 outboards, including certain 4.6L V8, 300R, 400R, and 450R applications. Exact fitment should be verified by serial number.
Is this bracket the same as 8M0153941 and 8M0142777?
Yes. 8M0153941 and 8M0142777 are superseded numbers for the current Mercury 8M0154653 bracket.
Why should I verify by serial number?
Mercury mount assemblies can vary by horsepower, midsection, Racing version, and production range. Serial number verification helps confirm the correct bracket 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 mount support bracket, Mercury bracket mount support, Mercury V8 mount bracket, Mercury Racing mount bracket, 300R mount support bracket, 400R mount support bracket, 450R mount support bracket, Mercury cradle support bracket
Searchable Part Numbers
8M0154653, 8M0153941, 8M0142777, Mercury 8M0154653, Mercury 8M0153941, Mercury 8M0142777
8M0153941
8M0154653
8M0205803
8M020802
Mercury Racing Lower Unit and Gearcase
Mercury Racing 8M0176859 5.44 Inch XL Gearcase
Mercury Racing 8M0176859 is a 5.44 inch XL gearcase assembly with a 1.60 gear ratio and standard rotation. It is used on Mercury Racing 450R supercharged 4.6L V8 Verado platform applications.
This current Mercury Racing gearcase supersedes 8M0159651. Because complete lower unit assemblies are highly specific to shaft length, gear ratio, rotation, engine family, and serial number, confirm your exact application before ordering.
Compatible Applications
| Brand | Engine / System | Application | Fitment Note |
|---|---|---|---|
| Mercury Racing | 450R Supercharged 4.6L V8 | 5.44 inch XL gearcase, 1.60 ratio, standard rotation | Verify by serial number, shaft length, ratio, and rotation |
| Mercury Racing | High-Horsepower 4.6L V8 Performance Models | Select applications requiring XL shaft and 1.60 standard rotation gearcase | Confirm the OEM parts diagram for your engine serial number |
Important Fitment Note
Always confirm compatibility using your engine serial number, model, existing gearcase number, shaft length, gear ratio, and rotation before ordering. XL, counter rotation, standard rotation, and ratio differences are not interchangeable.
OEM & Cross Reference Numbers
| Current Mercury Racing OEM Number | 8M0176859 |
| Superseded From | 8M0159651 |
| Description | 5.44 inch XL gearcase, 1.60 ratio, standard rotation |
What This Part Is Used For
This is a complete lower unit gearcase assembly used to transfer engine power through the driveshaft and gear set to the propeller shaft. The 1.60 gear ratio and standard rotation configuration are designed for specific Mercury Racing performance setups.
Replacement may be required after gearcase impact damage, internal gear failure, bearing damage, housing damage, or a complete lower unit service decision where assembly replacement is preferred over rebuilding.
Key Features and Benefits
- Genuine Mercury Racing gearcase assembly
- Current part number 8M0176859
- Supersedes Mercury Racing 8M0159651
- 5.44 inch gearcase for high-performance applications
- XL shaft configuration
- 1.60 gear ratio with standard rotation
- Designed for select Mercury Racing 450R and 4.6L V8 performance models
- Best verified by serial number, shaft length, ratio, and rotation
FAQ
What does Mercury Racing 8M0176859 replace?
Mercury Racing 8M0176859 supersedes 8M0159651 for this 5.44 inch XL, 1.60 ratio, standard rotation gearcase application.
Does this fit the Mercury Racing 450R?
This gearcase is used on Mercury Racing 450R supercharged 4.6L V8 applications that require the XL shaft, 1.60 gear ratio, and standard rotation gearcase.
Is this the same as a counter rotation gearcase?
No. This page is for the standard rotation version. Counter rotation gearcases use different part numbers and must be matched to the correct engine and boat setup.
What should I verify before ordering?
Verify your engine serial number, shaft length, rotation, gear ratio, and current gearcase part number. Complete gearcase assemblies are application specific and should not be selected by horsepower alone.
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 Racing 450R gearcase, Mercury 450R lower unit, Mercury Racing XL gearcase, 5.44 inch gearcase, 1.60 ratio Mercury gearcase, Mercury standard rotation gearcase, Mercury V8 Racing lower unit, 450R standard rotation lower unit
Searchable Part Numbers
8M0176859, 8M0159651, Mercury Racing 8M0176859, Mercury Racing 8M0159651
8M0176859
8M0228609
842739T03
842739T16
OEM Mercury 40-60HP 300 Hour Service Kit With Oil
Mercury 40-60HP 300 Hour Kit Standard Gearcase
The Mercury 8M0113483-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 standard gearcases.
This 300 hour maintenance kit includes the required service components along with Mercury 10W30 engine oil and gear lube for scheduled maintenance service.
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 |
| Mercury 10W30 Engine Oil | Engine oil service |
| Mercury Gear Lube | Gearcase lubricant service |
Prefer to Choose a Different Oil?
Some customers prefer to purchase a different Mercury oil, including Mercury 25W40, Synthetic Blend, or Full Synthetic options.
If you prefer to choose your own engine oil and gear lube, order the standard 300 hour kit below.
Order 8M0113483 - Oil and Gear Lube Sold SeparatelyIncluded Oil & Gear Lube Information
This kit includes Mercury 10W30 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.
Standard gearcase applications use approximately 1 quart of gear lube.
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-L 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 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 standard gearcase models only
- Includes Mercury 10W30 engine oil
- Includes gear lube for gearcase service
- Alternative kit available for customers preferring different oils
- BigFoot / Command Thrust kits linked above
Service Kit Details
- Part Number: 8M0113483-L
- Base Kit: 8M0113483
- Application: Mercury 40-60HP FourStroke EFI Outboards
- Serial Range: 1C000001 & Higher
- Gearcase Type: Standard Gearcase
- Service Interval: 300 Hour Maintenance
- Oil Included: Mercury 10W30
- 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 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?
Yes. This kit includes Mercury 10W30 engine oil and gear lube.
What if I prefer a different oil?
Customers who prefer different Mercury oil options can order
the standard 8M0113483 kit and select their preferred oil separately.
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-L, 8M0113483, 8M0090559, 8M0090559-L, Mercury 40HP 300 hour kit with oil, Mercury 50HP 300 hour kit with oil, Mercury 60HP 300 hour kit with oil, Mercury standard gearcase 300 hour kit, Mercury standard gearcase maintenance kit, Mercury 300 hour kit with 10W30, Mercury serial 1C000001 300 hour kit, Mercury FourStroke EFI 300 hour service, Mercury BigFoot 300 hour kit, Mercury Command Thrust 300 hour kit, Mercury 40-60HP maintenance kit with oil