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Pro Marine Yamaha / Mercury 4-Stroke Valve Spring
Yamaha F75-F115 & Mercury 75-115HP Valve Spring - 67F-12114P
The Pro Marine 67F-12114P Valve Spring is an aftermarket replacement valve spring for select Yamaha inline four-cylinder four-stroke outboards and Mercury four-stroke engines using the related Yamaha-based cylinder head.
Yamaha applications include select F75, F80, F90, F100, F115 and LF115 engines. Mercury applications include select 75HP and 90HP carbureted engines and 75, 80, 90, 100 and 115HP EFI models.
Replaces Yamaha OEM 67F-12114-00-00 and Mercury 804131.
Yamaha: F75, F80, F90, F100, F115 and LF115
Mercury: 75-90HP Carb and 75-115HP EFI
OEM Numbers & Cross References
| Brand / Type | Part Number |
|---|---|
| Pro Marine | 67F-12114P |
| Yamaha OEM | 67F-12114-00-00 |
| Mercury OEM | 804131 |
Yamaha Outboard Fitment
| Engine Family | Verified Models |
|---|---|
| F75 |
F75TLRB - 2003 F75TLRC - 2004 F75TLRD - 2005 |
| F80 |
F80TLRX - 1999 F80TXRX - 1999 F80TLRY - 2000 F80TXRY - 2000 F80TLRZ - 2001 F80TJRA / F80TLRA - 2002 F80TJRB / F80TLRB - 2003 |
| F90 |
F90TJRB / F90TLRB - 2003 F90TJRC / F90TLRC - 2004 F90TJRD / F90TLRD / F90TXRD - 2005 |
| F100 |
F100TLRX / F100TXRX - 1999 F100TLRY / F100TXRY - 2000 F100TLRZ / F100TXRZ - 2001 F100TLRA / F100TXRA - 2002 F100TLRB / F100TXRB - 2003 |
| F115 - 2000-2005 |
F115TLRY / F115TXRY - 2000 F115TLRZ / F115TXRZ - 2001 F115TJRA / F115TLRA / F115TXRA - 2002 F115TJRB / F115TLRB / F115TXRB - 2003 F115TJRC / F115TLRC / F115TXRC - 2004 F115TJRD / F115TLRD / F115TXRD - 2005 |
| F115 - Later Models | F115TJR, F115TLR and F115TXR families - 2006-Present, including 04, 0405, 0406, 0407, 0408, 0409, 0410 and 0411 application variants. |
| LF115 |
LF115TXRY - 2000 LF115TXRZ - 2001 LF115TXRA - 2002 LF115TXRB - 2003 LF115TXRC - 2004 LF115TXRD - 2005 LF115TXR, LF115TXR_0405, LF115TXR_0406 and LF115TXR_0407 - 2006-Present |
Mercury Outboard Fitment
Mercury fitment below is based on the Mercury catalog applications for OEM part number 804131.
| Mercury Engine | Serial Number Range |
|---|---|
| 75HP Carb | 0G960500 thru 0T800999 |
| 75HP Carb Bodensee | 0G960500 thru 0T800999 |
| 90HP Carb | 0G960500 thru 0T800999 |
| 75HP Carb | 0T801000 thru 1B226999 |
| 75HP Carb Bodensee | 0T801000 thru 1B226999 |
| 90HP Carb | 0T801000 thru 1B226999 |
| 75HP EFI | 1B172291 thru 1B366822 |
| 80HP EFI | 1B227000 thru 1B366822 |
| 90HP EFI | 1B172291 thru 1B366822 |
| 100HP EFI | 1B227000 thru 1B366822 |
| 115HP EFI | 1B227000 thru 1B366822 |
| 115HP EFI | 0T178500 thru 0T800999 |
| 115HP EFI | 0T801000 thru 1B226999 |
Yamaha and Mercury used multiple cylinder-head configurations across similar horsepower ranges.
For Yamaha, verify the complete engine model. For Mercury, verify the engine serial number and confirm the application crosses to 804131 before ordering.
Related Cylinder Head & Valve Train Parts
When servicing the valve springs or rebuilding the cylinder head, inspect the intake and exhaust valves, valve stem seals, guides, seats and related valve-train components.
Intake Valve Stem Seals
Yamaha OEM Intake Valve Stem Seal
Genuine Yamaha OEM intake valve stem seal for compatible four-stroke cylinder heads.
Brand: Yamaha OEM
View OEM Intake Valve Seal
Pro Marine Intake Valve Stem Seal - A3721
Pro Marine aftermarket intake valve stem seal for compatible Yamaha four-stroke cylinder heads.
Brand: Pro Marine
View Pro Marine Intake SealExhaust Valve Stem Seals
Yamaha OEM Exhaust Valve Stem Seal
Genuine Yamaha OEM exhaust valve stem seal for compatible Yamaha four-stroke cylinder heads.
Brand: Yamaha OEM
View OEM Exhaust Valve Seal
Pro Marine Exhaust Valve Stem Seal - A3722
Pro Marine aftermarket exhaust valve stem seal for compatible Yamaha four-stroke engines.
Brand: Pro Marine
View Pro Marine Exhaust SealReplacement Intake & Exhaust Valves
Pro Marine Intake Valve - 68V-12111P
Valve Length: 96.9mm
Head Diameter: 29mm
Pro Marine replacement intake valve for compatible Yamaha four-stroke cylinder-head rebuilds.
View Intake Valve
Pro Marine Exhaust Valve - 68V-12121P
Valve Length: 99.3mm
Head Diameter: 23.9mm
Pro Marine replacement exhaust valve for compatible Yamaha four-stroke cylinder-head rebuilds.
View Exhaust ValveRelated Valve Train Components
| Component | Part / Option |
|---|---|
| Valve Spring | 67F-12114P |
| Intake Valve | 68V-12111P |
| Exhaust Valve | 68V-12121P |
| Intake Valve Stem Seal | Yamaha OEM K0A-A3721 or Pro Marine A3721 |
| Exhaust Valve Stem Seal | Yamaha OEM K0A-A3722 or Pro Marine A3722 |
What This Part is Used For
The valve spring provides the closing force for the intake or exhaust valve after the camshaft opens the valve.
Proper valve spring pressure helps the valve follow the camshaft profile, return to the closed position and remain seated when combustion pressure is present.
Weak, damaged or incorrectly installed valve springs can contribute to poor valve control, loss of compression or abnormal valve-train operation.
When to Inspect or Replace Valve Springs
- During a complete cylinder-head rebuild
- After valve or piston contact
- When replacing damaged intake or exhaust valves
- If a spring is visibly damaged, corroded or distorted
- If spring free length or pressure is outside service specifications
- During a major powerhead overhaul
Inspect These Parts During Cylinder Head Service
- Intake valves
- Exhaust valves
- Valve stem seals
- Valve guides
- Valve seats
- Valve springs
- Spring retainers
- Valve keepers
- Camshaft lobes and journals
- Cylinder-head sealing surface
Shop Yamaha Engine Rebuild Parts by Model
Pro Marine stocks pistons, rings, main bearings, rod bearings, cylinder sleeves, valves, valve seals, gaskets and other internal Yamaha four-stroke engine components.
Shop Yamaha Engine Rebuild Parts by Model
Key Features
- Pro Marine aftermarket valve spring
- Part number 67F-12114P
- Replaces Yamaha 67F-12114-00-00
- Cross references Mercury 804131
- Fits select Yamaha F75 applications
- Fits select Yamaha F80 applications
- Fits select Yamaha F90 applications
- Fits select Yamaha F100 applications
- Fits extensive Yamaha F115 and LF115 applications
- Fits select Mercury 75HP and 90HP carbureted engines
- Fits select Mercury 75-115HP EFI engines
- OEM Yamaha valve seals available
- Pro Marine aftermarket valve seals available
- Pro Marine intake and exhaust valves available
FAQ
What Yamaha number does 67F-12114P replace?
It replaces Yamaha OEM 67F-12114-00-00.
What Mercury number does this valve spring replace?
It cross references Mercury 804131.
Does 67F-12114P fit Yamaha F115?
Yes. The supplied fitment includes numerous Yamaha F115 and LF115
applications from early engines through later model families.
Does this fit Yamaha F75, F80, F90 or F100?
Yes. Select applications for each of those horsepower families are
included in the verified fitment above.
Does this valve spring fit Mercury 115 EFI?
Yes. Mercury catalog fitment includes
0T178500 thru 0T800999,
0T801000 thru 1B226999, and
1B227000 thru 1B366822.
What other Mercury engines use this spring?
Catalog fitment also includes select Mercury 75HP and 90HP carbureted
engines and 75HP, 80HP, 90HP and 100HP EFI applications.
Do you stock intake and exhaust valves?
Yes. Pro Marine 68V-12111P intake and
68V-12121P exhaust valves are linked above.
Do you stock Yamaha OEM valve stem seals?
Yes. Yamaha OEM intake and exhaust valve stem seals are linked above.
Are aftermarket valve stem seals available?
Yes. Pro Marine A3721 intake and
A3722 exhaust valve stem seals are linked above.
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 in the continental U.S.
- 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 returning parts.
Need help verifying fitment?
Contact Pro Marine
Phone: 941-721-3000
Searchable Part Numbers & Terms
67F-12114P, 67F-12114-00-00, 67F121140000, 804131, Mercury 804131, Yamaha valve spring, Yamaha F75 valve spring, Yamaha F80 valve spring, Yamaha F90 valve spring, Yamaha F100 valve spring, Yamaha F115 valve spring, Yamaha LF115 valve spring, Mercury 75 valve spring, Mercury 80 valve spring, Mercury 90 valve spring, Mercury 100 valve spring, Mercury 115 valve spring, Mercury 115 EFI valve spring, 68V-12111P, Yamaha intake valve, 68V-12121P, Yamaha exhaust valve, K0A-A3721, A3721, Yamaha intake valve stem seal, K0A-A3722, A3722, Yamaha exhaust valve stem seal, Yamaha cylinder head rebuild, Yamaha F115 cylinder head parts, Yamaha engine rebuild parts
804131
OEM Mercury Aluminum Anode Kit
Mercury V12 Verado & SeaPro Aluminum Anode Kit
The Mercury 8M0179981 aluminum anode kit is a complete replacement kit for the factory-installed anodes used on compatible Mercury V12 outboards.
Fresh anodes help protect the outboard from the harmful effects of galvanic corrosion in both freshwater and saltwater applications.
Compatible Applications
| Brand | Engine Family | Horsepower | Serial Range |
|---|---|---|---|
| Mercury | 7.6L V12 Verado | 600HP | 3B060051 & Newer |
| Mercury | 7.6L V12 SeaPro | 500HP | 3B060051 & Newer |
This Mercury aluminum anode kit is designed to replace all factory-installed anodes on compatible Mercury V12 Verado and SeaPro outboards.
Routine anode inspection and replacement helps support long-term corrosion protection in both freshwater and saltwater environments.
This anode kit fits compatible Mercury V12 600HP Verado and 500HP SeaPro outboards with serial numbers 3B060051 and newer.
Always verify engine model and serial number before ordering.
What is Included
| Included Component | Application |
|---|---|
| Aluminum Anodes | Factory-style corrosion protection replacement |
| Gearcase / Lower Unit Anodes | Lower unit corrosion protection |
| Bracket / Transom Anodes | Bracket and mounting corrosion protection |
| Installation Hardware | Routine anode replacement service |
Complete Your Service
Mercury V12 Verado 200 Hour Service Kit
OEM Mercury 200 hour service kit for compatible Mercury V12 Verado outboards.
View ProductWhat This Anode Kit is Used For
The Mercury 8M0179981 aluminum anode kit is used to replace worn or corroded sacrificial anodes on compatible Mercury V12 Verado and SeaPro outboards.
Sacrificial anodes help protect submerged metal components from galvanic corrosion caused by electrical activity in marine environments.
Routine inspection and replacement of anodes is an important part of preventative maintenance, especially for boats operated in saltwater or stored in the water for extended periods.
Aluminum anodes are suitable for both freshwater and saltwater applications and are commonly used on modern Mercury outboards.
Key Features and Benefits
- OEM Mercury aluminum anode kit
- Fits Mercury 7.6L V12 600HP Verado outboards
- Fits Mercury 7.6L V12 500HP SeaPro outboards
- For serial numbers 3B060051 and newer
- Complete replacement kit for factory-installed anodes
- Designed for freshwater and saltwater use
- Helps protect against galvanic corrosion
- Supports long-term outboard corrosion protection
- Includes installation hardware
- OEM Mercury fit, function, and performance
Anode Kit Details
- Part Number: 8M0179981
- Application: Mercury V12 Verado & SeaPro Outboards
- Engine Families: 7.6L V12 Verado / 7.6L V12 SeaPro
- Horsepower Compatibility: 500HP SeaPro / 600HP Verado
- Serial Range: 3B060051 & Newer
- Anode Material: Aluminum
- Water Type: Freshwater & Saltwater
- Installation Hardware: Included
FAQ
What engines does this anode kit fit?
This kit fits compatible Mercury 7.6L V12 600HP Verado and
500HP SeaPro outboards with serial numbers 3B060051 and newer.
What does this kit replace?
This is a complete replacement kit for the factory-installed anodes
used on compatible Mercury V12 outboards.
Can these anodes be used in saltwater?
Yes. These aluminum anodes are designed for use in both
freshwater and saltwater applications.
Why are sacrificial anodes important?
Sacrificial anodes help protect expensive submerged metal components
from galvanic corrosion in marine environments.
How often should anodes be inspected?
Mercury recommends routine inspection of anodes and replacement
when significant corrosion or material loss is visible.
Do you offer a service kit for the Mercury V12 Verado?
Yes. The Mercury V12 Verado 200 hour service kit is linked above.
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.
- Installed or used corrosion protection components 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
8M0179981, Mercury V12 anode kit, Mercury V12 Verado anodes, Mercury 600HP Verado anodes, Mercury 500HP SeaPro anodes, Mercury aluminum anode kit, Mercury V12 corrosion protection, Mercury sacrificial anodes, Mercury Verado aluminum anodes, Mercury V12 maintenance, 8M0179987, Mercury V12 200 hour kit, Mercury V12 Verado service kit, Mercury SeaPro anode kit, Mercury V12 lower unit anodes
OEM Mercury V12 Verado 200 Hour Service Kit
Mercury V12 Verado 200 Hour Service Kit
The Mercury 8M0179987 200 hour service kit is designed for scheduled maintenance on compatible Mercury V12 Verado outboards. This kit helps simplify routine service by grouping commonly replaced maintenance components together in one convenient package.
Regular 200 hour maintenance helps support proper cooling, fuel system cleanliness, corrosion protection, lubrication, and long-term Mercury V12 Verado performance.
Compatible Applications
| Brand | Engine Family | Horsepower | Application Notes |
|---|---|---|---|
| Mercury | V12 Verado FourStroke | 600HP | Compatible Mercury V12 Verado models |
Mercury recommends routine scheduled service intervals to help maintain performance, reliability, and corrosion protection on V12 Verado outboards.
Always verify engine model and serial number before ordering service parts.
What is Included
| Included Component | Application |
|---|---|
| Oil Filter Service Components | Engine oil maintenance |
| Fuel Filter Service Components | Fuel system maintenance |
Recommended Oil & Gear Lube
Engine Oil Requirement:
Mercury SAE 10W30 Full Synthetic Marine Engine Oil
Capacity: Approximately 14 quarts or 4 gallons
Mercury SAE 10W30 Full Synthetic Marine Engine Oil
Gear Lube Requirement:
Mercury Premium Gear Lube SAE 80W90
Capacity: 4 quarts
Mercury V12 Verado outboards include a transmission system that requires periodic transmission fluid service and flushing.
The transmission uses ATF (Automatic Transmission Fluid).
We currently do not stock the required ATF transmission fluid.
Recommended V12 Anode Kit
Mercury V12 Verado Aluminum Anode Kit
Aluminum anode kit for Mercury V12 Verado outboards. Helps protect against galvanic corrosion in marine environments.
View ProductWhat This Service Kit is Used For
The Mercury 8M0179987 service kit is used for routine 200 hour scheduled maintenance on compatible Mercury V12 Verado outboards.
Scheduled service helps support engine lubrication, fuel system cleanliness, cooling system performance, ignition performance, and corrosion protection.
The Mercury V12 Verado platform includes advanced systems that benefit from routine scheduled maintenance intervals to help maintain long-term reliability and performance.
Proper maintenance also helps protect your investment and supports dependable offshore and high-load marine operation.
Key Features and Benefits
- OEM Mercury 200 hour service kit for V12 Verado outboards
- Designed for major scheduled maintenance intervals
- Supports lubrication, cooling, ignition, and fuel system maintenance
- Convenient grouped maintenance kit
- Helps support long-term reliability and corrosion protection
- Pairs with Mercury V12 anode kits and lubricants
- Compatible with Mercury SAE 10W30 Full Synthetic marine oil
- Supports Mercury V12 Verado routine maintenance schedules
Service Kit Details
- Part Number: 8M0179987
- Application: Mercury V12 Verado FourStroke Outboards
- Service Interval: 200 Hour Maintenance
- Recommended Oil: Mercury SAE 10W30 Full Synthetic
- Engine Oil Capacity: Approximately 14 quarts
- Recommended Gear Lube: Mercury Premium Gear Lube SAE 80W90
- Gear Lube Capacity: 4 quarts
- Transmission Fluid Type: ATF (Automatic Transmission Fluid)
FAQ
What engines does this service kit fit?
This service kit fits compatible Mercury V12 Verado outboards.
What oil should be used with the Mercury V12 Verado?
Mercury recommends SAE 10W30 Full Synthetic Marine Engine Oil.
How much engine oil does the V12 Verado use?
The Mercury V12 Verado uses approximately 14 quarts of engine oil.
What gear lube does the V12 Verado use?
Mercury Premium Gear Lube SAE 80W90 is recommended.
How much gear lube is required?
The Mercury V12 Verado gearcase uses approximately 4 quarts of gear lube.
Does the Mercury V12 Verado use transmission fluid?
Yes. The V12 Verado transmission requires ATF (Automatic Transmission Fluid) service and periodic flushing.
Do you stock the transmission fluid?
No. We currently do not stock the required ATF transmission fluid.
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, lubricants, installed parts, and used maintenance items 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
8M0179987, Mercury V12 Verado service kit, Mercury V12 200 hour service kit, Mercury V12 maintenance kit, Mercury V12 oil change, Mercury V12 gear lube, Mercury V12 transmission fluid, Mercury V12 ATF, 8M0173224, Mercury 10W30 full synthetic marine oil, 858058K01, Mercury Premium Gear Lube 80W90, 8M0179981, Mercury V12 anode kit, Mercury 600HP Verado maintenance
8M0142695
Mercury Outboard Engine Mounting Hardware Kit
Mercury Engine Mount Bolt Kit - 67755A14
The 67755A14 Engine Mount Bolt Kit provides the primary mounting hardware used to secure a Mercury outboard engine to the transom of a boat.
The kit includes four 5.5-inch mounting bolts, four Nylock nuts and eight washers, providing the hardware needed for a typical four-bolt outboard transom installation.
This kit fits most Mercury outboard engines. Because transom thickness and engine installations can vary, confirm the required bolt length for your boat and engine before ordering.
What is Included
| Component | Quantity |
|---|---|
| 5.5" Engine Mounting Bolts | 4 |
| Nylock Nuts | 4 |
| Washers | 8 |
Bolt Length: 5.5 inches
Bolts: 4
Nylock Nuts: 4
Washers: 8
Application: Mounting Mercury outboard engines to boat transoms
OEM Numbers & Cross References
| Manufacturer | Part Number |
|---|---|
| Mercury Marine | 67755A04 |
| Mercury Marine | 67755A14 |
Fitment
This engine mounting bolt kit is designed to fit most Mercury outboard engines using a standard four-bolt transom mounting arrangement.
The included mounting bolts measure 5.5 inches long. Verify that this bolt length is appropriate for your engine bracket, transom thickness and installation before ordering.
Although this kit fits most Mercury outboard applications, mounting requirements can vary depending on the engine, transom thickness, jack plate, setback bracket or other installation hardware.
Measure and verify the required 5.5-inch bolt length before installation.
What This Part is Used For
Outboard engine mounting bolts pass through the engine's transom brackets and the boat transom to securely attach the outboard to the boat.
The four included bolts provide the primary mechanical connection between the engine and transom. Washers help distribute the clamping load, while the included Nylock nuts help resist loosening during normal boat and engine operation.
When to Replace Outboard Mounting Hardware
Engine mounting hardware should be inspected whenever an outboard is removed, installed, repositioned or serviced at the transom.
Replacement should be considered if the existing mounting hardware shows corrosion, damaged threads, deformation or other signs of deterioration.
Installation Notes
- Verify the 5.5-inch bolt length before installation.
- Inspect the boat transom before mounting the engine.
- Use all required washers and mounting hardware.
- Follow Mercury's recommended mounting locations and installation procedure.
- Follow the appropriate torque specifications for the engine installation.
- Use an appropriate marine sealant around transom penetrations as required by the boat or engine manufacturer's installation procedure.
- Recheck mounting hardware after installation as recommended by the manufacturer.
Key Features
- Complete Mercury outboard engine mounting bolt kit
- Includes four 5.5-inch mounting bolts
- Includes four Nylock nuts
- Includes eight washers
- Hardware for a standard four-bolt transom installation
- Fits most Mercury outboard engines
- Used for mounting an outboard engine to the boat transom
- Cross references Mercury numbers 67755A04 and 67755A14
FAQ
What comes in the 67755A14 engine mounting bolt kit?
The kit includes four 5.5-inch mounting bolts, four Nylock nuts
and eight washers.
How long are the engine mounting bolts?
Each mounting bolt is 5.5 inches long.
How many bolts are included?
Four engine mounting bolts are included for a typical four-bolt outboard
transom installation.
Does 67755A14 fit Mercury outboards?
Yes. This kit fits most Mercury outboard engines. Verify the required
bolt length and mounting configuration for your particular installation.
What is the 67755A14 kit used for?
It is used to securely mount the outboard engine's mounting brackets to
the transom of the boat.
Does this replace Mercury 67755A04?
Yes. 67755A04 is included as a cross-reference for this
engine mounting bolt kit.
Are the nuts and washers included?
Yes. The kit includes four Nylock nuts and eight washers in addition to
the four mounting bolts.
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 in the continental U.S.
- 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 returning parts.
Need help verifying fitment?
Contact Pro Marine
Phone: 941-721-3000
Searchable Part Numbers & Terms
67755A14, 67755A04, Mercury 67755A14, Mercury 67755A04, Mercury engine mount bolt kit, Mercury engine mounting bolts, Mercury outboard mounting bolts, Mercury transom bolts, outboard engine mounting bolts, outboard mounting hardware, outboard transom mounting kit, boat transom bolts, engine to transom bolts, Mercury outboard transom hardware, 5.5 inch engine mounting bolts, four bolt outboard mounting kit, Mercury outboard mounting hardware
67755A14
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