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OEM Mercury Power Trim Seal Kit
Mercury EFI Power Trim Hydraulic O-Ring & Seal Kit
This genuine OEM Mercury power trim seal kit is used on select Mercury 105HP EFI Jet, 135HP EFI, and 150HP EFI FourStroke outboards.
The kit contains hydraulic O-rings and sealing components used during trim cylinder reseal service, hydraulic trim repair, and power trim maintenance.
Compatible Applications
| Horsepower | Engine Model | Serial Range | Application Notes |
|---|---|---|---|
| 105HP | Mercury EFI Jet | 3B672358 & Up | Power trim assembly components |
| 135HP | Mercury EFI FourStroke | 2B131942 & Up | Hydraulic trim and tilt systems |
| 150HP | Mercury EFI FourStroke | 1B905505 & Up | Power trim assembly components |
| 150HP | Mercury EFI Sea Pro | 2B139139 & Up | Commercial Sea Pro applications |
| 150HP | Mercury EFI Pro XS | 2B550139 & Up | Performance Pro XS models |
Always verify your engine horsepower, model type, and serial number before ordering hydraulic trim components and seal kits.
OEM Part Numbers & Cross References
| Type | Part Number |
|---|---|
| Mercury OEM Number | 8M0057770 |
What This Power Trim Seal Kit is Used For
This Mercury hydraulic trim seal kit is used during repair and reseal service of compatible Mercury power trim and tilt systems.
The included hydraulic O-rings and sealing components help seal trim cylinders, hydraulic passages, pistons, caps, and trim assembly components depending on trim system configuration.
Hydraulic seals commonly wear over time due to heat, hydraulic pressure, contamination, and marine operating conditions.
Replacing worn trim seals during hydraulic service can help reduce hydraulic fluid leaks and restore proper trim and tilt operation.
Key Features and Benefits
- Genuine OEM Mercury hydraulic trim seal kit
- Fits select Mercury EFI FourStroke trim systems
- Fits 105HP EFI Jet, 135HP EFI, and 150HP EFI models
- Includes hydraulic O-rings and sealing components
- Designed for trim cylinder reseal and repair service
- Helps reduce hydraulic fluid leaks
- Supports proper trim and tilt operation
- OEM Mercury hydraulic fit and compatibility
Power Trim Seal Kit Details
- Brand: Mercury Marine
- Part Type: Hydraulic O-Ring & Seal Kit
- OEM Part Number: 8M0057770
- Application: Mercury EFI FourStroke Power Trim Systems
- Horsepower Range: 105HP-150HP
- System: Power Trim & Tilt Hydraulic System
- Use: Hydraulic trim reseal and repair service
FAQ
What engines does this trim seal kit fit?
This kit fits select Mercury 105HP EFI Jet, 135HP EFI, and 150HP EFI FourStroke outboards depending on serial number range.
What is this seal kit used for?
This kit is used to reseal and service compatible Mercury hydraulic trim and tilt systems.
Is this a genuine Mercury part?
Yes. This is a genuine OEM Mercury hydraulic trim seal kit.
Should I verify my serial number before ordering?
Yes. Mercury used multiple trim system designs and hydraulic assemblies, so serial number verification is strongly recommended.
What are common signs of leaking trim seals?
Common symptoms may include hydraulic fluid leakage, trim drifting, weak trim operation, or inability to hold trim position.
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.
- Hydraulic and trim components should be installed only after proper diagnosis and inspection.
- 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
8M0057770, Mercury trim seal kit, Mercury power trim O-ring kit, Mercury hydraulic trim kit, Mercury 105 EFI Jet trim seals, Mercury 135 EFI trim seals, Mercury 150 EFI trim seals, Mercury Sea Pro trim kit, Mercury Pro XS trim seal kit, Mercury trim cylinder seal kit, Mercury power trim repair kit, Mercury hydraulic O-rings
Pro Marine Verado Steering Cylinder Seal
Hydraulic Steering Cylinder Seal for Mercury Verado Systems
This Pro Marine steering cylinder seal is an aftermarket replacement for select Mercury Verado hydraulic steering cylinder assemblies.
The seal helps maintain hydraulic steering pressure while supporting proper steering cylinder sealing and steering system performance.
Compatible Applications
| Engine Range | Engine Type | System | Application Notes |
|---|---|---|---|
| Mercury Verado 135-400HP | FourStroke | Hydraulic Steering | Used in compatible Mercury Verado steering cylinder assemblies |
| Mercury L6 Verado Models | Supercharged FourStroke | Hydraulic Steering | Used in compatible integrated steering systems |
| Mercury V8 / V10 Verado Models | FourStroke | Hydraulic Steering | Used in compatible Verado steering cylinder assemblies |
Always verify your Mercury model, serial number, and steering cylinder diagram before ordering hydraulic steering seals and components.
OEM Part Numbers & Cross References
| Brand / Type | Part Number |
|---|---|
| Pro Marine | 880667 |
| Replaces Mercury OEM | 8M0155530 |
| Replaces Mercury OEM | 880667 |
Complete Steering Cylinder Seal Kit Option
Need to reseal the complete Verado steering cylinder assembly? See the Pro Marine Steering Cylinder Seal Kit , which includes the additional seals commonly needed to reseal the entire Mercury Verado steering cylinder assembly.
What This Steering Cylinder Seal is Used For
This Pro Marine steering seal is used inside compatible Mercury Verado hydraulic steering cylinder assemblies.
The seal helps contain hydraulic steering fluid pressure while supporting proper steering cylinder operation and steering response.
A worn or damaged steering cylinder seal may allow hydraulic fluid leakage, steering pressure loss, or poor steering performance.
Replacing hydraulic steering seals during service helps maintain reliable steering system operation and reduce steering fluid leakage.
Key Features and Benefits
- Pro Marine aftermarket steering cylinder seal
- Replaces Mercury OEM part numbers 8M0155530 and 880667
- Fits select Mercury Verado hydraulic steering systems
- Helps maintain hydraulic steering pressure
- Helps reduce steering fluid leakage
- Designed for compatible Verado steering cylinder assemblies
- Common replacement during steering cylinder service
- Aftermarket alternative to OEM Mercury steering seals
Steering Cylinder Seal Details
- Brand: Pro Marine
- Part Type: Steering Cylinder Seal
- Replaces OEM: Mercury 8M0155530 and 880667
- Application: Mercury Verado Steering Cylinder Assemblies
- System: Hydraulic Steering System
- Use: Steering cylinder sealing
- Quantity Sold: Each
FAQ
What does this Pro Marine steering seal fit?
This seal fits select Mercury Verado hydraulic steering cylinder assemblies using compatible steering system components.
What Mercury part numbers does this replace?
This Pro Marine seal replaces Mercury OEM part numbers 8M0155530 and 880667.
What does this seal do?
It helps seal the hydraulic steering cylinder assembly to maintain steering fluid pressure and reduce leakage.
Can a bad steering seal cause fluid leaks?
Yes. A worn or damaged steering cylinder seal may allow hydraulic steering fluid leakage and steering performance issues.
Do I need additional seals during steering cylinder service?
In many cases, yes. Complete reseal service often requires multiple seals and O-rings throughout the steering cylinder assembly.
Is there a complete steering seal kit available?
Yes. Pro Marine offers a steering cylinder seal kit that includes the additional seals commonly needed to reseal the complete Verado steering cylinder assembly.
Should I verify fitment before ordering?
Yes. Mercury used multiple steering cylinder configurations depending on model and production range, so serial number verification is recommended.
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.
- Hydraulic steering components should be installed only after confirming correct fitment.
- 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
8M0155530, 880667, Pro Marine steering cylinder seal, Pro Marine Verado seal, Mercury steering cylinder seal, Mercury Verado steering seal, Mercury hydraulic steering seal, Verado cylinder seal, Verado steering ram seal, Mercury steering fluid seal, Mercury integrated steering seal, Mercury steering cylinder repair, Verado steering cylinder reseal
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