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Mercury Outboard Parts
Shop OEM and aftermarket Mercury outboard parts for maintenance, repair, troubleshooting, and complete engine rebuild projects. Browse Mercury marine parts by system, including cooling, fuel delivery, electrical and ignition, internal engine components, lower unit parts, steering, trim, and routine service items.
Pro Marine USA carries Mercury outboard engine parts for a wide range of 2-stroke, FourStroke, EFI, Optimax, Pro XS, SeaPro, and Verado applications. Use your engine horsepower, model, serial number, or OEM part number whenever possible to confirm fitment before ordering.
Shop Mercury Outboard Parts by System
- Complete Powerheads
- Control Cables & Boxes
- Cooling System
- Cowlings & Components
- Electrical System
- Engine Oil
- Engine Rebuild Kits
- Fuel & Carburetion System
- Intake System
- Internal Engine Components
- Lower Unit Components
- Oiling System
- Paints
- Service & Oil Change Kits
- Service Manuals
- Steering Systems
- Throttle Components
- Transom & Midsection
- Trim System
- Wizard Performance Parts
Find the Correct Mercury Outboard Part
Mercury outboard parts can vary by horsepower, engine family, model year, and serial number range. If you are unsure which component fits your engine, use the OEM parts lookup to locate the original Mercury part number from an engine diagram.
Once you have the OEM part number, search Pro Marine to find available genuine Mercury and aftermarket replacement options.
Use Our OEM Parts Lookup »Common Mercury Outboard Engine Families
Pro Marine supports many Mercury outboard applications across a wide horsepower range. Always confirm the engine serial number and model information before ordering parts.
- Portable and Midrange: Mercury 2.5HP through 60HP 2-stroke and FourStroke applications
- FourStroke and EFI: common 75HP through 300HP Mercury EFI and FourStroke platforms
- Pro XS: performance-oriented Mercury Pro XS outboards across multiple engine families
- Optimax: direct-injected 2-stroke Mercury Optimax engines, commonly 75HP through 250HP
- Verado: supercharged and naturally aspirated Mercury Verado applications from 135HP through current high-horsepower platforms
- SeaPro: commercial-duty Mercury SeaPro outboards used in professional and high-hour applications
Common Mercury Outboard Repair Areas
- Overheating: inspect the water pump, impeller, thermostat, poppet valve, cooling passages, and related cooling components.
- Hard starting or rough running: inspect fuel pumps, filters, injectors or carburetors, spark plugs, coils, sensors, and intake components.
- No spark or intermittent ignition: check ignition coils, stators, switch boxes, trigger assemblies, sensors, grounds, and wiring.
- Low compression or power loss: inspect pistons, rings, cylinders, bearings, gaskets, reeds, and internal engine components.
- Lower unit noise or water intrusion: inspect seals, bearings, gears, shafts, bearing carriers, and gear lube condition.
- Trim or steering problems: inspect trim motors, pumps, hydraulic components, steering cylinders, hoses, and related rigging parts.
Why Buy Mercury Outboard Parts from Pro Marine USA?
- OEM Mercury and aftermarket replacement options for many common applications.
- Parts for maintenance, repair, engine rebuilding, lower units, electrical systems, fuel systems, steering, trim, and rigging.
- OEM diagram and part-number lookup tools to help identify the correct part before ordering.
- Dealer pricing available for qualified marine repair businesses and dealers.
- Large inventory of Mercury service parts and hard-to-find marine engine components.
- Fast weekday shipping on qualifying in-stock orders.
Frequently Asked Questions
How do I find the correct Mercury outboard part?
Use the engine horsepower, model, serial number, and year whenever available. Mercury frequently uses serial-number ranges to identify engine families, so the serial number is often the most reliable way to confirm fitment.
Can I search Mercury parts by OEM part number?
Yes. Enter the Mercury OEM part number into the Pro Marine site search to locate available OEM and aftermarket replacement options. If you do not know the part number, use the OEM parts lookup first.
Do Mercury outboard parts vary by serial number?
Yes. Many Mercury components change by serial-number range even within the same horsepower or model family. Always compare the serial range listed for the part with your engine before ordering.
Do you carry parts for Mercury Optimax and Verado engines?
Yes. Pro Marine carries parts for many Mercury Optimax, Verado, Pro XS, EFI, FourStroke, and SeaPro applications, including maintenance, fuel, electrical, cooling, internal engine, lower unit, steering, and rigging components.
Do you carry both OEM and aftermarket Mercury parts?
Yes. Pro Marine offers genuine Mercury parts along with aftermarket replacement parts for many common Mercury outboard maintenance, repair, and rebuild applications.
What Mercury outboard parts are commonly replaced during routine maintenance?
Common maintenance items include engine oil, oil filters, fuel filters, spark plugs, water pump kits, impellers, thermostats, gear lube, drain plug seals, anodes, and manufacturer-specific service kit components.
Fitment Tip: Mercury outboard parts often vary by serial-number range. Confirm your engine serial number and OEM part number whenever possible before ordering.
9-76413
93101-23070-00
4-300hpÂ
2 & 4 Stroke
Mercury 225EFI
Mariner 5-40
F3921989
F4079550
F724150
YSC-10231-40-0C
YSG-14090-90-8G
18-4698
18-46981-9
34502
38015
49955
604-45342-00-00
60721
8M0077608
804612
81987
81987M
883921
9-60100
90430-08003-00
90430-08020-00
90430-08801-00
FK10023
FK10287
F10023
895343T01
895343T02
818764
8M0028376
803631T
89984B1
89984B3
89984T3
899841
899843
F85168-1
F85168-3
F851681
F851682
F851683
18-0855
37220
F85159-1
F85159-2
F851591
F851592
18-0853
37210
Mercury Racing 2 Stroke Oil 8M0078011
The Mercury Racing 2 Stroke Oil 8M0078011 is a high-performance synthetic blend 2-stroke marine engine oil designed for demanding racing and high-output applications. Sold in a 1 gallon container, this formula is built to protect against heat, wear, and carbon buildup while helping two-stroke engines run clean and strong.
Product Overview
This oil is made for high-performance 2-stroke engines where extra protection matters. Mercury Racing describes it as a low-smoke, ashless formula designed to maximize horsepower while helping reduce deposits and wear in extreme operating conditions. It is recommended for use in oil-injected or premix applications.Â
Applications
| Application Type | Use |
|---|---|
| Marine Racing Engines | High performance 2-stroke outboard and marine racing applications |
| Premix Systems | Can be used in premix applications where racing 2-stroke oil is required |
| Oil Injection Systems | Can be used in compatible oil-injected 2-stroke engines |
| Other High Performance 2-Stroke Engines | Also recommended by Mercury Racing for certain air- or liquid-cooled 2-stroke powersports applications |
Product Features
- Synthetic blend high performance 2-stroke formula
- Low-smoke, ashless chemistry
- Helps protect against heat and wear
- Helps reduce carbon buildup and deposit formation
- Supports strong performance in high-load racing conditions
- Works in premix or oil-injected applications
Specifications and Standards
| Specification | Details |
|---|---|
| Part Number | 8M0078011 |
| Alternate OEM Format | 92-8M0078011 |
| Container Size | 1 Gallon |
| Formula Type | Synthetic Blend 2-Stroke Oil |
| Standards | TC-W3, JASO FD, ISO EGD |
What This Oil Is Used For
This oil is used to lubricate and protect high-performance 2-stroke engines operating under heavy load and high temperature conditions. It is a strong choice for customers running performance-oriented marine engines that need clean burn characteristics, reduced deposits, and dependable protection at high RPM. Mercury Racing states that the formula is intended to help maximize horsepower while controlling carbon buildup and wear.Â
FAQ
Is 8M0078011 a premix oil?
Yes. Mercury Racing says this oil can be used in premix applications as well as compatible oil-injected systems.Â
What type of oil is this?
It is a synthetic blend high performance 2-stroke marine engine oil made for racing and high-output 2-stroke applications.Â
What certifications does it meet?
Mercury Racing states that this oil exceeds TC-W3, JASO FD, and ISO EGD standards.Â
What size container is this?
This part number is sold as a 1 gallon container.Â
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
8M0078011, 92-8M0078011, Mercury Racing 2 Stroke Oil, Mercury synthetic blend racing oil, Quicksilver racing 2 stroke oil, 1 gallon 2 stroke racing oil
813743A2
858085K01
858101Q01
858102Q01
99493A2
Pro Marine Verado Steering Cylinder Seal Kit
Mercury Verado Hydraulic Steering Cylinder Reseal Kit - 2700P
The Pro Marine 2700P Steering Cylinder Seal Kit is an aftermarket replacement kit for select Mercury Verado hydraulic steering cylinder assemblies.
This kit includes replacement seals and O-rings commonly required to reseal compatible Mercury Verado steering cylinders during hydraulic steering system maintenance and repair.
Compatible Applications
| Engine Range | Engine Type | System | Application Notes |
|---|---|---|---|
| Mercury Verado 135-400 HP | FourStroke | Hydraulic Steering | Select compatible Mercury Verado steering cylinder assemblies |
| Mercury L6 Verado Models | Supercharged FourStroke | Hydraulic Steering | Select integrated hydraulic steering systems |
| Mercury V8 and V10 Verado Models | FourStroke | Hydraulic Steering | Select compatible Verado steering cylinder assemblies |
Pro Marine 2700P replaces Mercury OEM steering cylinder seal kits 896173A01 and 8M0045604 for compatible steering cylinder assemblies.
Mercury used different steering cylinder configurations depending on engine model, production year, and steering system. Always verify the engine serial number and steering cylinder assembly number before ordering.
OEM Part Numbers and Cross References
| Brand / Type | Part Number |
|---|---|
| Pro Marine Aftermarket | 2700P |
| Replaces Mercury OEM | 896173A01 |
| Replaces Mercury OEM | 8M0045604 |
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 Components
Depending on the repair being performed, you may also need the steering cylinder attachment seal used when reinstalling the steering cylinder to the engine.
See the Pro Marine 880667 Verado Steering Cylinder Seal .
Genuine Mercury OEM Alternative Available
Prefer a genuine Mercury replacement kit? Mercury OEM part number 8M0045604 is the genuine Mercury steering cylinder seal kit for compatible applications. It supersedes older Mercury part number 896173A01.
View Genuine Mercury 8M0045604 Steering Cylinder Seal Kit
What This Steering Cylinder Seal Kit is Used For
The Pro Marine 2700P Steering Cylinder Seal Kit is designed for resealing compatible Mercury Verado hydraulic steering cylinder assemblies.
Hydraulic steering cylinders use internal seals and O-rings to help maintain hydraulic pressure and prevent fluid leakage.
Over time, these components may become worn or damaged, potentially allowing hydraulic fluid leakage or reduced steering performance.
Replacing worn seals during steering cylinder service can help restore proper sealing when the cylinder and other components remain in serviceable condition.
Common Symptoms and Replacement Reasons
- Hydraulic fluid leaking from the steering cylinder
- Visible deterioration or damage to steering cylinder seals
- Loss of hydraulic steering fluid
- Reduced steering performance associated with seal leakage
- Steering cylinder disassembly for inspection or repair
- Seal replacement during steering cylinder service
Important: Steering problems may also be caused by the power steering pump, hydraulic hoses, helm, fluid contamination, or other system components. Replacing steering cylinder seals will not correct every steering problem.
Key Features and Benefits
- Pro Marine aftermarket steering cylinder reseal kit
- Replaces Mercury OEM seal kits 896173A01 and 8M0045604
- Designed for select Mercury Verado hydraulic steering cylinders
- Includes replacement hydraulic seals and O-rings
- Used during steering cylinder rebuilding and reseal service
- Helps address hydraulic fluid leakage caused by worn seals
- Aftermarket alternative to compatible Mercury OEM seal kits
- Steering cylinder repair tutorial available through the video link above
Steering Cylinder Seal Kit Details
- Brand: Pro Marine
- Part Number: 2700P
- Part Type: Hydraulic Steering Cylinder Seal Kit
- Replaces Mercury OEM: 896173A01 and 8M0045604
- Application: Select Mercury Verado Steering Cylinders
- System: Hydraulic Power Steering
- Use: Steering Cylinder Reseal and Repair
- Quantity Sold: One Kit
Installation and Repair Tips
- Verify steering cylinder assembly and replacement seal kit compatibility before beginning repairs.
- Follow the applicable Mercury service manual for cylinder removal, disassembly, inspection, and reassembly.
- Inspect internal cylinder surfaces and components for scoring, corrosion, and other damage.
- Keep hydraulic steering components clean during service to reduce the risk of introducing contamination.
- Use only the hydraulic steering fluid specified for the applicable Mercury steering system.
- Follow the manufacturer's bleeding and testing procedures before returning the steering system to service.
Hydraulic steering is a safety-critical system. Repairs should be performed by qualified personnel using the appropriate service procedures and tools.
Frequently Asked Questions
What does Pro Marine 2700P fit?
The kit fits select Mercury Verado hydraulic steering
cylinder assemblies that use compatible replacement seals.
Verify fitment using the steering cylinder assembly number.
What Mercury OEM seal kits does 2700P replace?
Pro Marine 2700P replaces Mercury OEM seal kit numbers
896173A01 and 8M0045604 for compatible applications.
What is included in the kit?
The kit includes replacement seals and O-rings commonly
required for compatible Verado steering cylinder reseal service.
Can worn steering cylinder seals cause hydraulic fluid leaks?
Yes. Damaged or worn seals may allow hydraulic fluid to escape
from the steering cylinder assembly.
Will replacing the seals fix every Verado steering problem?
No. Steering issues may also involve the power steering pump,
hydraulic hoses, helm, fluid contamination, or other components.
Proper diagnosis is recommended before replacing parts.
Is there a video showing how to rebuild a Mercury Verado steering cylinder?
Yes. Pro Marine USA provides a repair tutorial demonstrating
steering cylinder disassembly, cleaning, inspection,
seal replacement, and reassembly.
Click the video thumbnail above to watch the tutorial on YouTube.
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 Pro Marine 2700P a genuine Mercury OEM kit?
No. This is a Pro Marine aftermarket replacement seal kit
for compatible Mercury steering cylinder assemblies.
Genuine Mercury OEM kit 8M0045604 is also available.
Should I verify fitment before ordering?
Yes. Mercury used different steering cylinder configurations
across engine models and production ranges.
Confirm the correct application before purchasing.
Dealer Discounts and Store Policies
Dealer / Marine Industry Discounts
Are you a marine dealer, technician, boat builder, or industry professional? Pro Marine USA offers 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.
- Items must be new, unused, and in original packaging.
- Return authorization is required before sending items back.
Need help confirming fitment or ordering the correct steering cylinder repair components?
Contact Pro Marine USA
Phone: 941-721-3000
Searchable Part Numbers
2700P, 896173A01, 8M0045604
Searchable Terms
Pro Marine 2700P, Pro Marine Verado steering seal kit, Mercury Verado steering cylinder seal kit, Mercury steering cylinder reseal kit, Mercury hydraulic steering cylinder rebuild kit, Mercury Verado steering cylinder repair, Mercury Verado steering cylinder repair video, Mercury Verado steering cylinder rebuild tutorial, Verado hydraulic steering seal replacement, Verado steering ram seal kit, Mercury power steering cylinder repair, Mercury Verado hydraulic steering repair, Verado steering cylinder service kit, Mercury Verado gelled hydraulic fluid, Mercury Verado steering cylinder disassembly, Mercury Verado steering cylinder reassembly, Verado steering cylinder seal installation
8M0045604
896173A01
61053
68258
68258A4
68258B4
76545
76545T
853654A1
853654B1
Mercury Verado Power Steering Helm
Mercury Verado 50cm Tilt Power Steering Helm
This OEM Mercury 50cm power steering helm is the tilt version for Mercury Verado power steering systems. It is used when the boat requires an adjustable steering wheel position instead of a fixed non-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 tilt helm | Verify the current helm number, steering configuration, and OEM cross-reference before ordering. |
Important Fitment Note
This is the tilt Mercury Verado helm. If the boat uses a fixed steering wheel position and does not need tilt adjustment, order the Mercury Verado 50cm non-tilt helm, item 8M0137449.
OEM & Cross Reference Numbers
| Type | Part Numbers |
|---|---|
| Pro Marine Item Number | 8M0137451 |
| Mercury Manufacturer Item | 8M0137451 |
| Cross Reference Numbers | 8M0030273, 8M0134636, 8M0134637, 8M0134638, 8M0137451, 8M0151559, 892516A01, 892516A02, 892516K01, 892516K02, 892516K03, 892516K11, 892516K12, 892516K31, 892516K32, 892516K33, 892516K51, 892516K52, 892516K53 |
What This Part is Used For
The helm is the steering control unit mounted behind the steering wheel at the dash. This Mercury 8M0137451 helm is used when replacing the adjustable tilt 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 Std 50Cm
Mercury Verado 50cm standard non-tilt power steering helm. Order this version when the application requires a fixed steering wheel position.
Item #: 8M0137449
View Non-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.
- Tilt design allows adjustable steering wheel positioning.
- Fits Verado power steering systems when the original application calls for this tilt helm.
- Cross references common Mercury tilt helm numbers including 892516A01, 892516A02, 892516K31, and 892516K32.
- Related non-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 With Tilt |
| Application | Mercury Verado power steering systems |
| Manufacturer | Mercury Marine |
| OEM or Aftermarket | OEM |
| Helm Style | Tilt |
FAQ
Is this the tilt helm?
Yes. This is the Mercury Verado 50cm tilt power steering helm. For the non-tilt version, order item 8M0137449.
What does this helm fit?
This helm fits Verado power steering systems that require the 50cm 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 tilt power steering helm, Mercury Verado 50cm helm, adjustable Verado helm, OEM Mercury tilt 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
8M0137451, 8M0030273, 8M0134636, 8M0134637, 8M0134638, 8M0151559, 892516A01, 892516A02, 892516K01, 892516K02, 892516K03, 892516K11, 892516K12, 892516K31, 892516K32, 892516K33, 892516K51, 892516K52, 892516K53, 8M0137449, 858077, 858077K01, 858002K01, 858077KC1, 8M0134736P, 8M0134736, 8M0134359, 8M0199048.
8M0134636
8M0134637
8M0134638
8M0137451
8M0151559
892516A01
892516A02
892516K01
892516K02
892516K03
892516K11
892516K12
892516K31
892516K32
892516K33
892516K51
892516K52
892516K53