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OEM Mercury Verado Steering Cylinder Seal Kit
Mercury Hydraulic Steering Cylinder Reseal Kit
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 135-400HP | 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 & Supersessions
| Brand | Part Number |
|---|---|
| Mercury OEM | 8M0045604 |
| Supersedes Mercury OEM | 896173A01 |
| Alternate Search Format | 8M0045604 |
Related Steering Cylinder Seal
Need the steering cylinder attachment seal used when reinstalling the steering cylinder to the engine? See the Pro Marine Steering Cylinder Seal .
Aftermarket Alternative
Looking for an aftermarket replacement option? See the Pro Marine Steering Cylinder Seal Kit .
What This Steering Cylinder Seal Kit is Used For
This 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.
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 steering cylinder reseal service
- Helps maintain hydraulic steering pressure
- Helps reduce steering fluid leakage
- OEM Mercury fit and material compatibility
Steering Cylinder Seal Kit Details
- Brand: Mercury
- 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
FAQ
What does Mercury 8M0045604 fit?
This seal kit fits select Mercury Verado hydraulic steering cylinder assemblies using compatible steering system components.
Does this replace Mercury 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 bad steering seals cause fluid leaks?
Yes. Worn or damaged steering cylinder seals may allow hydraulic steering fluid leakage and steering performance issues.
Do I still need the steering cylinder attachment seal?
Depending on the repair being performed, you may also need the steering cylinder seal used when reinstalling the steering cylinder to the engine.
Is there an aftermarket version available?
Yes. Pro Marine also offers an aftermarket steering cylinder reseal kit for compatible Verado steering systems.
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
8M0045604, 896173A01, 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
8M0045604
896173A01
509233
85974
859741
86216
F506225
F506250
18-1170
8M0103476
812767A1
FI5000161
11999
17930
18-2845
34043
52202
912965
91351
428641
96887A1
96887A2
OEM Mercury 25W50 Synthetic Blend Oil Change Kit
Mercury L6 200HP-400HP Verado Oil Change Kit
This OEM Mercury oil change kit contains the routine maintenance components needed to service select compatible Mercury L6 200HP through 400HP Verado FourStroke outboards.
The kit includes two gallons of Mercury SAE 25W50 Synthetic Blend 4-stroke marine engine oil, a premium Mercury oil filter, and drain plug seal for routine engine oil maintenance.
Compatible Applications
| Brand | Horsepower | Engine Type | Application Notes |
|---|---|---|---|
| Mercury | 200HP | L6 Verado FourStroke | Select compatible models |
| Mercury | 225HP | L6 Verado FourStroke | Select compatible models |
| Mercury | 250HP | L6 Verado FourStroke | Select compatible models |
| Mercury | 300HP | L6 Verado FourStroke | Select compatible models |
| Mercury | 350HP | L6 Verado FourStroke | Select compatible models |
| Mercury | 400HP | L6 Verado FourStroke | Select compatible models |
This oil change kit is intended for select compatible Mercury L6 200HP through 400HP Verado FourStroke outboards.
Always verify engine model, serial number, and oil specification before ordering.
What is Included
| Qty | Included Part | Application |
|---|---|---|
| 2 | Mercury SAE 25W50 Synthetic Blend 4-Stroke Marine Engine Oil - 1 Gallon | Engine oil service |
| 1 | Premium Mercury Oil Filter | Engine oil filtration service |
| 1 | Drain Plug Seal | Oil drain plug sealing component |
Oil and Gear Lube Links
-
Engine Oil Required:
Approximately 7.4 quarts total. Use 8 quarts or 2 gallons.
Mercury 25W50 Verado / Racing Oil - 1 Gallon | Mercury 25W50 4-Stroke Marine Oil - 1 Quart -
Gear Lube Required for Gearcase Service:
2 quarts.
Mercury High Performance Gear Lube - 1 Quart
Complete Your Service
100 Hour Kit Without Oil - 2B144122 & Below
OEM Mercury 100 hour service kit for L6 Verado 200HP-300HP outboards with serial numbers 2B144122 and below. Oil and gear lube sold separately.
View Product
100 Hour Kit With Oil - 2B144122 & Below
OEM Mercury 100 hour service kit with oil for L6 Verado 200HP-300HP outboards with serial numbers 2B144122 and below.
View Product
100 Hour Kit Without Oil - 2B144123-Present
OEM Mercury 100 hour service kit for L6 Verado 200HP-400HP outboards with serial numbers 2B144123 and newer. Oil and gear lube sold separately.
View Product
100 Hour Kit With Oil - 2B144123-Present
OEM Mercury 100 hour service kit with oil for L6 Verado 200HP-400HP outboards with serial numbers 2B144123 and newer.
View ProductWe also stock the OEM Mercury oil change kit with SAE 25W40 Synthetic Blend marine engine oil for Mercury L6 Verado outboards.
View Mercury 25W40 Synthetic Blend Oil Change Kit
What This Kit is Used For
This Mercury oil change kit provides the routine maintenance parts needed to perform an engine oil and oil filter service on compatible Mercury L6 Verado FourStroke outboards.
Mercury SAE 25W50 Synthetic Blend marine engine oil is formulated specifically for high-performance marine applications and includes advanced corrosion protection designed to help protect internal engine components during operation and storage.
The 25W50 synthetic blend formulation is designed to help maintain lubricity and viscosity retention during demanding high-load and high-temperature Verado operation.
Regular oil and filter maintenance helps support proper lubrication, reduce internal engine wear, and maintain long-term engine reliability.
Key Features and Benefits
- OEM Mercury oil change kit for L6 Verado FourStroke outboards
- Fits select Mercury 200HP through 400HP Verado models
- Includes two gallons of Mercury SAE 25W50 Synthetic Blend marine engine oil
- Includes premium Mercury oil filter
- Includes drain plug seal
- Does not include gear lube
- Marine-specific additive package with advanced corrosion protection
- Synthetic blend formulation designed for demanding Verado operation
- Convenient all-in-one oil change kit
Oil Kit Details
- Kit Part Number: OCKIT-1
- Engine Compatibility: Mercury L6 200HP-400HP Verado FourStroke
- Oil Type: Mercury SAE 25W50 Synthetic Blend 4-Stroke Marine Engine Oil
- Oil Quantity Included: 2 Gallons
- Oil Capacity Reference: Approximately 7.4 quarts
- Included Components: Oil filter, engine oil, and drain plug seal
- Gear Lube Included: No
- Gear Lube Quantity for Gearcase Service: 2 quarts
- Service Type: Routine engine oil and oil filter maintenance
FAQ
What engines does this oil change kit fit?
This kit fits select compatible Mercury L6 200HP, 225HP, 250HP, 300HP,
350HP, and 400HP Verado FourStroke outboards.
What oil is included in this kit?
This kit includes two gallons of Mercury SAE 25W50 Synthetic Blend
4-stroke marine engine oil.
Does this kit include gear lube?
No. This is an engine oil change kit and does not include gear lube.
Mercury High Performance gear lube is linked above for gearcase service.
How much gear lube is required for gearcase service?
Gearcase service uses 2 quarts of Mercury High Performance gear lube.
Does this kit include instructions?
No. This kit includes only the oil change components listed above.
What is the difference between this kit and a 100 hour service kit?
This oil change kit is for engine oil and oil filter service. A 100 hour service kit includes additional maintenance parts such as spark plugs, filters, water pump components, anodes, and additional scheduled maintenance items.
Should I verify fitment before ordering?
Yes. Always confirm your engine model, serial number, and required oil specification before ordering maintenance parts.
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.
- 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
OCKIT-1, Mercury Verado oil kit, Mercury L6 Verado oil change kit, Mercury 200HP Verado oil change kit, Mercury 225HP Verado oil change kit, Mercury 250HP Verado oil change kit, Mercury 300HP Verado oil change kit, Mercury 350HP Verado oil change kit, Mercury 400HP Verado oil change kit, Mercury L6 Verado maintenance kit, Mercury 25W50 synthetic blend oil kit, Mercury Verado 25W50 oil, Mercury High Performance gear lube, HPLUBEQT, 858084, 8M0078013, 8M0097858, 8M0097858-L, 8M0120657, 8M0120657-L
8M0169544
8M0188359