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898349A02
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
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
858000K01
858000Q01
858075KC1
858075K01
858075Q01
Hydraulic Steering Cylinder Bleed Kit
Pro Marine 350-BLEEDKIT Hydraulic Cylinder Bleed Kit
The Pro Marine 350-BLEEDKIT Hydraulic Cylinder Bleed Kit is designed to simplify hydraulic steering system bleeding and service procedures for marine hydraulic steering applications.
This bleed kit is compatible with many standard hydraulic steering systems, including Pro Marine, SeaStar®, Uflex®, and similar front-mount hydraulic steering setups.
What a Hydraulic Steering Bleed Kit Does
A hydraulic steering bleed kit helps remove trapped air from the steering system during installation, maintenance, or repair procedures.
Proper bleeding allows hydraulic fluid to fully circulate through the helm, hoses, and steering cylinder, helping restore smooth steering feel and consistent steering response.
Read our Hydraulic Steering Comparison & Pro Tips Guide
Best Applications
| Application | Recommended Use |
|---|---|
| Hydraulic Steering Installation | Bleeding air from newly installed steering systems |
| Hydraulic Steering Service | Routine steering maintenance and repairs |
| Steering Cylinder Replacement | Bleeding the system after cylinder installation |
| Repower Projects | Completing hydraulic steering upgrades |
| Marine Repair Shops | Professional hydraulic steering service work |
Complete or Service Your Steering System
Complete Steering Kit
Need a complete hydraulic steering package? The 350-HSTEER kit includes the steering cylinder, helm pump, hydraulic fluid, and fill hose assembly.
View 350-HSTEER Complete KitHydraulic Fluid
Use quality hydraulic steering fluid during steering filling and bleeding procedures.
View PRO-OIL15 Hydraulic FluidFill Hose Assembly
Fill hose assemblies simplify steering fluid filling and help maintain fluid supply during bleeding.
View 102P Fill Hose AssemblyHydraulic Steering Components
Shop compatible helm pumps, cylinders, hydraulic hoses, and steering service components.
Shop Hydraulic Steering ComponentsKey Features and Benefits
- Designed for hydraulic steering system bleeding
- Helps remove trapped air from steering cylinders and hoses
- Improves steering response and steering feel
- Useful during installation and maintenance procedures
- Compatible with many standard hydraulic steering systems
- Works with Pro Marine, SeaStar®, and Uflex® style setups
- Useful for marine technicians and DIY boat owners
- Helps simplify hydraulic steering service work
System Function and Connections
- System Type: Hydraulic outboard steering
- Component Type: Hydraulic steering bleed kit
- Function: Steering system bleeding and air removal
- Connection Type: Steering cylinder bleed fittings
- Typical Use: Hydraulic steering installation and maintenance
- Compatible Systems: Pro Marine, SeaStar®, Uflex®, and similar hydraulic steering systems
- Related Components: Helm pumps, steering cylinders, hydraulic hoses, fill hose assemblies, and steering fluid
FAQ
What does a hydraulic steering bleed kit do?
A bleed kit helps remove trapped air from the hydraulic steering system during installation or service procedures.
Why is bleeding hydraulic steering important?
Proper bleeding removes trapped air that can cause soft steering feel, inconsistent response, or steering noise.
What steering systems is this compatible with?
It is compatible with many standard hydraulic steering systems including Pro Marine, SeaStar®, Uflex®, and similar systems.
Can this be used for new steering installations?
Yes. Bleeding is required during most new hydraulic steering installations and cylinder replacements.
Is this useful for DIY steering service?
Yes. This bleed kit helps simplify the steering bleeding process for both professional technicians and DIY boat owners.
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
350-BLEEDKIT, hydraulic steering bleed kit, hydraulic cylinder bleed kit, Pro Marine bleed kit, SeaStar bleed kit, Uflex bleed kit, steering cylinder bleed hose, hydraulic steering service kit, hydraulic steering maintenance tools, steering bleed fittings