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8M0149746
Genuine OEM Mercury Verado Steering Cylinder Seal Kit
Mercury Hydraulic Steering Cylinder Reseal Kit - 8M0045604
This genuine OEM Mercury steering cylinder seal kit is used to reseal select Mercury Verado hydraulic steering cylinder assemblies.
The kit includes the seals and O-rings commonly required during steering cylinder repair and hydraulic steering system service.
Compatible Applications
| Engine Range | Engine Type | System | Application Notes |
|---|---|---|---|
| Mercury Verado 135-400 HP | 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 and V10 Verado Models | FourStroke | Hydraulic Steering | Used in compatible Verado steering cylinder assemblies |
This genuine Mercury steering cylinder reseal kit fits select Mercury Verado hydraulic steering cylinder assemblies. Mercury OEM part number 8M0045604 supersedes older Mercury seal kit number 896173A01.
Always verify your Mercury engine model, serial number, and steering cylinder assembly before ordering.
OEM Part Numbers and Supersessions
| Brand / Type | Part Number |
|---|---|
| Genuine Mercury OEM | 8M0045604 |
| Supersedes Mercury OEM | 896173A01 |
Watch: Mercury Verado Steering Cylinder Repair and Reseal
See how a Mercury Verado steering cylinder is repaired.
Watch Pro Marine USA demonstrate steering cylinder disassembly, cleaning, inspection, seal replacement, and reassembly. The tutorial also shows an example of contaminated hydraulic steering fluid.
Watch Repair VideoThis video demonstrates the general repair process. Always verify steering cylinder compatibility and follow the applicable Mercury service procedures.
Related Steering Cylinder Seal
Need the steering cylinder attachment seal used when reinstalling the steering cylinder to the engine? See the Pro Marine 880667 Steering Cylinder Seal .
Aftermarket Alternative Available
Looking for an aftermarket replacement option? Pro Marine offers part number 2700P, an aftermarket steering cylinder seal kit for compatible Mercury Verado hydraulic steering cylinder assemblies.
View Pro Marine 2700P Steering Cylinder Seal Kit
What This Steering Cylinder Seal Kit is Used For
This genuine Mercury steering cylinder seal kit is used to reseal compatible Verado hydraulic steering cylinder assemblies.
The kit includes multiple hydraulic seals and O-rings commonly replaced during steering cylinder repair and hydraulic steering system service.
Worn or damaged steering cylinder seals may allow hydraulic fluid leakage, steering pressure loss, or reduced steering performance.
Replacing steering cylinder seals during service helps maintain proper hydraulic steering operation and reduce fluid leakage.
Common Symptoms and Replacement Reasons
- Hydraulic fluid leaking from the steering cylinder
- Visible damage or deterioration of cylinder seals
- Hydraulic steering fluid loss
- Reduced steering performance associated with seal leakage
- Steering cylinder disassembly for inspection or service
- Replacement of worn seals during cylinder rebuilding
Steering problems may also be caused by the power steering pump, hydraulic hoses, helm, fluid contamination, or other components. Proper diagnosis is recommended before replacing seals.
Key Features and Benefits
- Genuine OEM Mercury steering cylinder seal kit
- Current Mercury OEM part number 8M0045604
- Supersedes Mercury OEM seal kit 896173A01
- Fits select Mercury Verado hydraulic steering systems
- Includes seals and O-rings commonly needed for cylinder reseal service
- Helps maintain hydraulic steering pressure
- Helps reduce hydraulic fluid leakage
- Genuine Mercury replacement components
Steering Cylinder Seal Kit Details
- Brand: Genuine Mercury OEM
- Part Type: Steering Cylinder Seal Kit
- Current OEM Part Number: 8M0045604
- Supersedes OEM: 896173A01
- Application: Mercury Verado Steering Cylinder Assemblies
- System: Hydraulic Steering System
- Use: Steering cylinder reseal service
- Quantity Sold: Kit
Installation and Repair Tips
- Verify steering cylinder compatibility before beginning repairs.
- Follow the applicable Mercury service manual for disassembly and reassembly.
- Inspect internal cylinder surfaces for scoring, corrosion, and damage.
- Keep hydraulic components clean to prevent introducing contamination.
- Use the hydraulic steering fluid specified for your Mercury steering system.
- Follow the manufacturer's bleeding and testing procedures after repair.
Important: Hydraulic steering is a safety-critical system. Repairs should be performed by qualified personnel using appropriate Mercury service procedures.
Frequently Asked Questions
What does Mercury 8M0045604 fit?
This seal kit fits select Mercury Verado hydraulic steering cylinder
assemblies using compatible steering system components.
Does Mercury 8M0045604 replace 896173A01?
Yes. Mercury OEM part number 8M0045604 supersedes
older seal kit number 896173A01.
What is included in this kit?
The kit includes the seals and O-rings commonly required
to reseal compatible Verado steering cylinders.
Can damaged steering cylinder seals cause fluid leaks?
Yes. Worn or damaged seals may allow hydraulic fluid
leakage and reduced steering performance.
Will this kit fix every Mercury Verado steering problem?
No. Steering problems may also involve the power steering pump,
helm, hydraulic hoses, or other system components.
Proper diagnosis is recommended.
Is there a video showing how to rebuild a Mercury Verado steering cylinder?
Yes. Pro Marine USA provides a steering cylinder repair tutorial
demonstrating disassembly, cleaning, inspection, seal replacement,
and reassembly. Click the video preview above to watch.
Do I need the additional steering cylinder attachment seal?
Depending on the repair, the steering cylinder attachment seal
may also need replacement. See Pro Marine part number 880667.
Is there an aftermarket alternative?
Yes. Pro Marine 2700P is an aftermarket replacement
seal kit for compatible Mercury Verado steering cylinders.
Should I verify fitment before ordering?
Yes. Mercury used multiple steering cylinder configurations.
Verify your engine serial number and steering cylinder
assembly before purchasing.
Dealer Discounts and 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 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 Part Numbers
8M0045604, 896173A01
Searchable Terms
Mercury 8M0045604, Mercury 896173A01, Genuine Mercury steering cylinder seal kit, Mercury Verado steering seal kit, Mercury hydraulic steering kit, Verado steering cylinder reseal kit, Mercury steering rebuild kit, Mercury Verado seal kit, Verado hydraulic steering seal kit, Mercury steering ram seal kit, Mercury steering cylinder service kit, Verado steering repair kit, Mercury Verado steering cylinder repair video, Mercury Verado steering cylinder rebuild, Mercury Verado steering cylinder seal replacement
8M0045604
896173A01
892554A01
892554T
Pro Marine Mercury Verado Power Steering
Pro Marine Mercury Verado Gen A / Gen B Reman Power Steering Pump 8M0134736P
The Pro Marine 8M0134736P Remanufactured Power Steering Pump is an aftermarket replacement for Mercury Verado Gen A and Gen B power steering systems. It cross references Mercury part numbers 8M0134359 and 8M0134736.
This replacement allows customers to service an existing Gen A or Gen B steering system without purchasing all the additional components required for a complete Gen C conversion.
Important: Installation requires reusing the original case from your existing power steering pump.
Warranty: 1 year. Warranty coverage is void if gelled power steering fluid is found inside the pump. See the important steering system inspection and warranty information below before installing your replacement.
IMPORTANT INFORMATION BEFORE REPLACING YOUR VERADO POWER STEERING PUMP
Why Mercury Verado Power Steering Pumps Fail
One of the primary causes of premature Verado power steering pump failure is overheating caused by restricted hydraulic fluid flow.
A problem we frequently encounter is Mercury power steering fluid becoming thick, gel-like, or contaminated. This material can accumulate inside the hydraulic steering system, particularly in the steering cylinder, restricting the movement of hydraulic fluid.
As the steering cylinder becomes restricted, the power steering pump must work harder to move hydraulic fluid through the system. This increased workload can cause the pump to overheat, operate under excessive strain, and eventually fail.
Replacing the Pump Alone May Not Fix the Problem
If the original pump failed because of restricted hydraulic flow or gelled steering fluid, installing another pump without addressing the underlying problem can cause the replacement pump to overheat and fail as well.
Before installing a replacement pump, inspect the steering cylinder, hoses, fluid reservoir, and hydraulic system for gelled fluid, contamination, or restrictions. Correct any problems before operating the replacement pump.
Watch Our Verado Power Steering Repair Video
Watch our video for information about Verado steering system problems and servicing the steering cylinder. Understanding the condition of the hydraulic system before replacing the pump can help prevent another failure.
IMPORTANT WARRANTY WARNING
WARRANTY WILL BE VOID IF GELLED POWER STEERING FLUID IS FOUND INSIDE THE PUMP.
The replacement pump must be installed into a properly functioning hydraulic steering system. Gelled fluid, contamination, or restrictions in the steering cylinder or hydraulic lines must be addressed before installing the replacement pump. Failure to correct these conditions can result in overheating and premature pump failure.
VERADO STEERING CYLINDER SERVICE AND REPAIR
Parts and Tools for Servicing Your Verado Steering Cylinder
If gelled power steering fluid or restricted hydraulic flow contributed to the failure of your original pump, the steering cylinder should be inspected and serviced as necessary before installing a replacement.
Pro Marine offers steering cylinder seal kits, replacement seals, service tools, and remanufactured steering cylinders to help repair the underlying steering system problem. Verify component compatibility with your steering cylinder before ordering.
Pro Marine Verado Steering Cylinder Seal Kit
Part Number: 2700P
Replacement seal kit for servicing compatible Mercury Verado hydraulic steering cylinders. Replaces Mercury 896173A01.
View Steering Cylinder Seal KitPro Marine Verado Steering Cylinder Mounting Seal
Part Number: 880667
Replacement steering cylinder seal for compatible Mercury Verado steering systems. Replaces Mercury 8M0155530.
View Steering Cylinder SealMercury Verado Remanufactured Steering Cylinder
Part Number: 896500R01
Remanufactured steering cylinder for compatible Mercury Verado and Racing outboard steering applications. An alternative when the existing steering cylinder requires replacement.
View Reman Steering CylinderVerado Steering Cylinder End Cap Removal Tool
Part Number: 8M0078614
Spanner tool used for steering cylinder end cap removal during compatible Mercury Verado steering cylinder service.
View End Cap Removal ToolInspect the existing steering cylinder for restrictions and contaminated or gelled fluid. Repair or replace components as needed, clean the hydraulic system using the appropriate service procedure, and confirm proper fluid circulation before operating the replacement pump.
PRO MARINE TECHNICAL RESOURCES
Mercury Verado Power Steering Technical Center
Need help identifying your Verado power steering generation, selecting replacement components, or determining whether to repair your existing Gen A / Gen B system or upgrade to Gen C?
Verado Power Steering Technical Center
Explore Pro Marine's technical information, steering system components, installation resources, and parts for Mercury Verado hydraulic power steering systems.
Visit Verado Power Steering Tech CenterGen A / Gen B to Gen C Conversion Guide
Considering a Gen C upgrade instead of replacing your existing Gen A or Gen B pump? Review the conversion requirements and additional components needed for the upgrade.
View Gen A / B to Gen C ConversionCompatible Applications
| System | Application | Fitment Note |
|---|---|---|
| Mercury Verado Gen A | Power steering pump replacement | Confirm current pump generation and reuse the existing case. |
| Mercury Verado Gen B | Power steering pump replacement | Replacement option for Gen A / Gen B pump service where Mercury 8M0134736 is being replaced. |
Important Fitment and Installation Note
This Pro Marine replacement pump requires the original case from your existing pump. Before ordering, identify whether your boat has a Gen A, Gen B, or Gen C Verado power steering system.
Compare your existing pump number with the cross references below. This product is intended for the specified Gen A / Gen B replacement applications and is not a direct Gen C replacement.
Before installation: Check the hydraulic system for gelled fluid, contaminated fluid, steering cylinder restrictions, or other conditions that may have contributed to the original pump failure.
OEM and Cross Reference Numbers
| Pro Marine Item Number | 8M0134736P |
|---|---|
| Mercury OEM Number | 8M0134736 |
| Cross Reference Numbers | 8M0134359, 8M0134736 |
| Brand | Pro Marine |
| Warranty | 1 year; void if gelled fluid is found in the pump |
Gen A / Gen B Replacement vs. Gen C Conversion
Replacing the existing Gen A / Gen B pump may be a more economical option than converting the entire steering system to Gen C. A complete conversion can require several additional components.
| Gen C Conversion Item | Previously Listed Cost |
|---|---|
| Pump Assembly | $1,050.00 |
| Adapter Hose | $217.88 |
| Power Steering Harness with Fuse | $84.24 |
| Signal Wire Conversion | $50.23 |
| Automatic Power Source for Applicable Multi-Engine Systems | $268.43 |
Costs shown are historical reference amounts from this product's existing description and are subject to change. Actual conversion requirements vary by steering configuration.
Compare Gen A / B Replacement and Gen C ConversionRelated Verado Power Steering Parts
Explore additional Mercury Verado steering system components for maintenance, repair, and system configuration.
Automatic Power Source
Mercury Verado automatic power source for applicable multi-engine steering systems.
View 8M0149746
Signal Drive Harness Assembly
Mercury power steering signal drive harness assembly for Verado steering system service.
View 8M0026568
Gen B Damper Hose Kit
Mercury Verado Gen B power steering damper hose kit for hydraulic steering service.
View 897643A01
Mercury Power Steering Fluid
Mercury full synthetic power steering fluid for applicable Verado hydraulic steering systems.
View 858077Special Order Verado Steering Hoses
The following Mercury Verado steering hoses are special-order items. Call Pro Marine USA at 941-721-3000 to order. Confirm the required hose length and steering configuration before purchasing.
Helm to Power Steering Pump
Special Order — Must Call to Order
8M0150604 — 2 Foot
8M0150605 — 3 Foot
8M0150606 — 4 Foot
8M0150607 — 5 Foot
8M0150608 — 6 Foot
8M0150610 — 7 Foot
8M0150612 — 8 Foot
8M0150613 — 10 Foot
8M0150614 — 12 Foot
8M0150615 — 14 Foot
8M0150616 — 16 Foot
8M0150617 — 18 Foot
8M0150618 — 20 Foot
8M0150619 — 22 Foot
8M0150620 — 24 Foot
8M0150621 — 26 Foot
8M0150622 — 28 Foot
8M0150623 — 30 Foot
8M0150624 — 32 Foot
Cylinder to Helm
Special Order — Must Call to Order
8M0167281 — 2 Foot
8M0167282 — 3 Foot
8M0167283 — 4 Foot
8M0167284 — 5 Foot
8M0167285 — 6 Foot
8M0167286 — 7 Foot
8M0167287 — 8 Foot
8M0167288 — 10 Foot
8M0167289 — 12 Foot
8M0167290 — 14 Foot
8M0167291 — 16 Foot
8M0167292 — 18 Foot
8M0167293 — 20 Foot
8M0167294 — 22 Foot
8M0167295 — 24 Foot
8M0167296 — 26 Foot
8M0167297 — 28 Foot
8M0167298 — 30 Foot
8M0167299 — 32 Foot
Key Features and Benefits
- Pro Marine Remanufactured Replacement: Aftermarket replacement for compatible Mercury Verado Gen A and Gen B power steering pumps.
- OEM Cross References: Mercury 8M0134359 and 8M0134736.
- Repair Existing Steering System: Provides a replacement option without purchasing every component required for a Gen C conversion.
- Reuse Existing Pump Case: Installation requires the original case from the current pump assembly.
- 1-Year Warranty: Subject to warranty conditions. Coverage is void if gelled fluid is found inside the pump.
- Steering Cylinder Repair Resources: Linked seal kits, replacement cylinder, and end cap removal tool.
- Repair Video: Direct link to Pro Marine's Verado power steering repair video.
- Technical Support Resources: Access to the Verado Power Steering Technical Center and Gen A / B to Gen C conversion guide.
Product Details
| Item Number | 8M0134736P |
|---|---|
| Product Type | Verado Power Steering Pump Replacement |
| Brand | Pro Marine |
| OEM or Aftermarket | Aftermarket — Remanufactured |
| Required Reuse Item | Original Case from Existing Pump |
| Warranty | 1 Year |
| Warranty Exclusion | Warranty void if gelled power steering fluid is found inside the pump. |
Frequently Asked Questions
Is this a replacement for Mercury Verado Gen A and Gen B power steering pumps?
Yes. Pro Marine 8M0134736P is an aftermarket replacement for compatible Mercury Verado Gen A and Gen B power steering pumps. It cross references Mercury 8M0134359 and 8M0134736.
Do I need to reuse my old pump case?
Yes. This replacement requires the original case from your existing power steering pump.
Why do Mercury Verado power steering pumps overheat?
One common cause is restricted hydraulic fluid flow. We frequently encounter systems where power steering fluid has become thick or gel-like and accumulated inside the steering cylinder. These restrictions can force the pump to work harder, leading to overheating and premature failure.
Can gelled power steering fluid damage a replacement pump?
Yes. If gelled fluid or a restriction remains in the hydraulic steering system, a replacement pump can experience the same excessive workload and overheating that damaged the original pump.
Should I inspect the steering cylinder before replacing the pump?
Yes. Inspect the steering cylinder and hydraulic system for gelled fluid, contamination, and restrictions. Correct any problems before operating the replacement pump.
Does gelled power steering fluid void the pump warranty?
Yes. The warranty is void if gelled power steering fluid is found inside the pump. Inspect and service the hydraulic system before installation to help prevent repeat failure.
Does Pro Marine have a video explaining Verado steering problems?
Yes. Watch our Verado Power Steering Repair Video for additional information about steering system service.
Can I rebuild my existing Verado steering cylinder?
Depending on the cylinder's condition and compatibility, repair may be possible using the Pro Marine 2700P Steering Cylinder Seal Kit . Inspect the cylinder for internal damage before deciding whether to repair or replace it.
Is a remanufactured steering cylinder available?
Yes. Pro Marine offers the 896500R01 Remanufactured Verado Steering Cylinder for compatible applications.
Should I replace my Gen A / Gen B pump or upgrade to Gen C?
Replacing the existing pump may be the simpler option when the remainder of the steering system is serviceable. A Gen C conversion requires additional components and configuration checks. Review our Gen A / Gen B to Gen C Conversion Guide to compare the options.
Where can I find Verado power steering technical information?
Visit the Pro Marine Verado Power Steering Technical Center for steering system information, replacement parts, and technical resources.
Are some Verado steering hoses special order?
Yes. Various helm-to-pump and cylinder-to-helm hose lengths are special-order items. Call Pro Marine USA at 941-721-3000 to confirm availability and order.
Dealer Discounts & Store Policies
Wholesale Marine Parts Pricing
Pro Marine USA supplies genuine OEM and aftermarket marine engine parts, hydraulic steering components, and maintenance products to professional marine technicians, repair shops, dealerships, boat builders, and retail customers.
Qualified marine businesses can apply for a Pro Marine dealer account to access wholesale pricing on eligible products.
Shipping Information
- Free shipping on orders over $100 within the continental United States.
- In-stock orders received before 5:30 PM EST ship the same business day, Monday–Friday.
- Shipping options available through UPS, USPS, and FedEx.
- Typical delivery time is 1–5 business days.
- Shipping times may vary based on destination, carrier service, and availability.
30-Day Return Policy
- Eligible returns are accepted within 30 days of delivery.
- Products must be new, unused, and in original packaging.
- Installed parts are not returnable.
- Return authorization is required before returning merchandise.
Power Steering Pump Warranty
1-YEAR WARRANTY — GELLED FLUID EXCLUSION
This Pro Marine replacement pump includes a 1-year warranty.
Warranty coverage will be void if gelled power steering fluid is found inside the pump.
Customers should inspect the hydraulic steering system, including the steering cylinder, for fluid contamination and restrictions before installing the replacement pump. Repair any underlying hydraulic problems before operating the replacement.
Need Help With Your Verado Power Steering System?
Have questions about pump compatibility, steering cylinder repairs, or Gen C conversions?
Contact Pro Marine USA or call 941-721-3000.
Searchable Part Numbers
8M0134736P, 8M0134736, 8M0134359, 2700P, 896173A01, 880667, 8M0155530, 896500R01, 8M0078614, 8M0149746, 8M0026568, 8M0137449, 8M0137451, 897643A01, 858077, 858002K01, 858077KC1, 858077K01
Searchable Terms
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8M0134736
HK6400
64-891665A01
702755024828
898349A02