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Outboard Motor Parts | OEM & Aftermarket
Shop OEM and aftermarket outboard motor parts for Mercury, Yamaha, Suzuki, Honda, Johnson / Evinrude / E-TEC, Tohatsu / Nissan, and Chrysler / Force engines. Pro Marine USA carries parts for routine maintenance, troubleshooting, repair, and complete marine engine rebuilds.
Browse by outboard manufacturer or engine system, or use our OEM parts lookup to identify the correct part number before ordering. Find cooling, fuel, ignition, electrical, internal engine, lower unit, steering, trim, service kit, gasket, seal, and rebuild parts in one place.
Shop Outboard Parts by Manufacturer
Chrysler / Force Outboard Parts for Chrysler and Force outboard repair 
Honda Outboard Honda cooling, fuel, electrical, and engine parts 
Johnson / Evinrude / E-TEC Outboard Johnson, Evinrude, E-TEC, and OMC replacement parts 
Mercury Outboard Mercury and Mariner maintenance, repair, and rebuild parts 
Suzuki Outboard Suzuki service, lower unit, fuel, and engine parts 
Tohatsu / Nissan Outboard Tohatsu and Nissan outboard replacement parts 
Yamaha Outboard Yamaha maintenance, repair, lower unit, and rebuild parts Find the Correct Outboard Part
Not sure which part fits your engine? Start with the engine manufacturer, horsepower, model number, serial number, and year whenever available.
Our OEM parts lookup lets you view factory parts diagrams and identify the original part number for many popular outboard engines. Once you have the OEM number, search Pro Marine to find available OEM and aftermarket replacement options.
Use Our OEM Parts Lookup »Shop Outboard Parts by Engine System
Outboard engines use several interconnected systems. Select your manufacturer above to browse the exact categories available for your engine, including the following common repair and maintenance areas.
Common Outboard Problems and Where to Start
- Engine overheating: inspect the water pump, impeller, thermostat, pressure-control components, cooling passages, and engine anodes.
- Hard starting or rough idle: check fuel delivery, carburetor or injector operation, spark plugs, ignition components, filters, and intake sealing.
- Weak spark or no spark: test ignition coils, stators, switch boxes or ignition modules, sensors, wiring, grounds, and related electrical components.
- Low compression or poor power: inspect pistons, rings, cylinder condition, head and powerhead gaskets, bearings, and other internal engine components.
- Milky gear lube: inspect prop shaft, driveshaft, shift shaft, bearing carrier, and other lower unit seals for water intrusion.
- Lower unit or gearcase noise: inspect bearings, gears, clutch components, shafts, and gear lube condition before continued operation.
- Trim or steering problems: inspect hydraulic fluid level, seals, hoses, trim motors, pumps, steering cylinders, and mechanical connections.
Why Buy Outboard Parts from Pro Marine USA?
- OEM and aftermarket replacement options for major outboard engine brands.
- Marine engine parts for routine maintenance, professional repair, and complete rebuild projects.
- OEM diagram and part-number lookup tools to help identify the correct component before ordering.
- Dealer pricing available for qualified marine repair businesses and dealers.
- Large selection of service kits, engine parts, lower unit components, fuel system parts, electrical parts, steering, and rigging products.
- Same-day weekday shipping available on qualifying in-stock orders placed before the shipping cutoff.
OEM and Aftermarket Outboard Parts
OEM parts are supplied by the original engine manufacturer and are designed for the specific engine application. Aftermarket parts are replacement components produced by independent marine parts manufacturers and may provide additional availability or value for many common repairs.
Pro Marine carries both genuine OEM parts and quality aftermarket replacement parts for many outboard maintenance, repair, and rebuild applications. Always confirm fitment using the engine model, serial number, horsepower, year range, or OEM part number when available.
Frequently Asked Questions
How do I find the correct parts for my outboard motor?
Start by identifying the engine manufacturer, horsepower, model number, serial number, and year. Select the manufacturer above to browse by engine system, or use the OEM parts lookup to locate the original part number from a factory diagram.
Can I search Pro Marine by OEM part number?
Yes. If you already have the OEM part number, enter it 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.
What information should I have before ordering an outboard part?
Have the engine manufacturer, horsepower, model number, serial number, and year whenever possible. An OEM part number from the original component or parts diagram is especially helpful because visually similar parts may fit different engine families.
What is the difference between OEM and aftermarket outboard parts?
OEM parts come from the original engine manufacturer. Aftermarket parts are replacement components manufactured by other marine parts companies for compatible applications. Pro Marine carries both OEM and aftermarket options across many common outboard engine systems.
Are aftermarket outboard motor parts reliable?
Quality aftermarket marine parts are commonly used for maintenance, professional repair, and engine rebuilding. The best option depends on the application, manufacturer, availability, and customer preference.
Do you carry parts for older outboard motors?
Yes. Pro Marine carries parts for many older Mercury, Mariner, Johnson, Evinrude, Chrysler, Force, Yamaha, Honda, Suzuki, Nissan, and Tohatsu outboards. Availability varies by engine family and component.
What outboard parts are commonly replaced during routine maintenance?
Common maintenance items include engine oil, oil filters, fuel filters, spark plugs, water pump impellers, complete water pump kits, thermostats, gear lube, drain plug seals, anodes, and manufacturer-specific service kit components.
Fitment Tip: Outboard parts can vary by model, serial range, horsepower, and production year. Confirm the OEM part number or engine identification information whenever possible before ordering.
7445T11
7445T11
Pro Marine Powerhead Gasket
Mercury Mariner V6 2.4L 150-220HP Cylinder Head Gasket
The Pro Marine 246-1 Cylinder Head Gasket is a replacement head gasket for Mercury and Mariner V6 2.4L outboards. This gasket replaces Mercury OEM part numbers 41246, 41246-1, 41246-2, 41247, 41247T01, and 96543 and is commonly found on 150HP through 220HP V6 applications.
Whether you're rebuilding a powerhead, repairing a cooling system issue, or replacing a leaking cylinder head gasket, the Pro Marine 246-1 is designed to restore proper sealing between the cylinder head and engine block.
Compatible Applications
Mercury OEM numbers 41246, 41246-1, 41246-2, 41247, 41247T01, and 96543 are associated with Mercury and Mariner V6 2.4L outboards. These engines were commonly produced throughout the late 1970s, 1980s, and early 1990s and include numerous fishing, offshore, and performance applications.
| Manufacturer | Common Applications |
|---|---|
| Mercury | 150HP V6 2.4L |
| Mercury | 175HP V6 2.4L |
| Mercury | 200HP V6 2.4L |
| Mercury | XR4 150 V6 |
| Mercury | Bridgeport & High Performance 2.4L Applications |
| Mercury | 220HP V6 Applications |
| Mariner | 150HP-220HP V6 2.4L Models |
Mercury produced multiple V6 engine families including 2.0L, 2.4L, 2.5L and later designs. Always verify your engine serial number and OEM gasket number before ordering.
This gasket replaces Mercury OEM numbers 41246, 41246-1, 41246-2, 41247, 41247T01, and 96543.
OEM & Cross Reference Numbers
| Type | Part Number |
|---|---|
| Pro Marine | 246-1 |
| Mercury OEM | 41246 |
| Mercury OEM | 41246-1 |
| Mercury OEM | 41246-2 |
| Mercury OEM | 41247 |
| Mercury OEM | 41247T01 |
| Mercury OEM | 96543 |
Alternative Pro Marine Version Available
Pro Marine 246-1P Cylinder Head Gasket
We also stock the Pro Marine 246-1P version of this head gasket. It fits the same Mercury and Mariner V6 2.4L applications and is available as an alternative replacement option.
What Does a Cylinder Head Gasket Do?
The cylinder head gasket creates a seal between the cylinder head and engine block. It keeps combustion pressure inside the cylinders while separating cooling passages from the combustion chamber.
A damaged head gasket can result in compression loss, cooling system leaks, water intrusion, overheating, hard starting, or poor engine performance.
When Should a Head Gasket Be Replaced?
- During cylinder head removal
- When repairing overheating damage
- When rebuilding a powerhead
- After detecting water intrusion into a cylinder
- When compression loss indicates gasket failure
Pro Marine 246-1 Features
- Fits Mercury and Mariner V6 2.4L outboards
- Replaces Mercury OEM 41246, 41246-1, 41246-2, 41247, 41247T01 and 96543
- Compatible with 150HP, 175HP, 200HP, XR4 and select 220HP models
- Ideal for powerhead rebuilds and cylinder head repairs
- Designed to maintain proper compression sealing
- Quality aftermarket replacement from Pro Marine
FAQ
What OEM numbers does this gasket replace?
Mercury 41246, 41246-1, 41246-2, 41247, 41247T01, and 96543.
What engines commonly use this gasket?
Mercury and Mariner V6 2.4L engines including many 150HP, 175HP, 200HP, XR4, and 220HP applications.
Will this fit a 2.5L Mercury?
Not necessarily. Mercury used different head gasket designs across the 2.0L, 2.4L, and 2.5L engine families. Verify your OEM part number before ordering.
Do you stock another version?
Yes. We also stock the Pro Marine 246-1P version linked above.
Should head bolts be inspected during replacement?
Yes. Follow Mercury service manual procedures and inspect all fasteners and sealing surfaces during installation.
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 required before returning merchandise.
Need assistance?
Contact Us
Phone: 941-721-3000
Searchable Terms
246-1, 246-1P, Mercury 41246, Mercury 41246-1, Mercury 41246-2, Mercury 41247, Mercury 41247T01, Mercury 96543, Mercury V6 head gasket, Mercury 2.4L head gasket, Mercury XR4 head gasket, Mercury 175 head gasket, Mercury 200 head gasket, Mariner V6 head gasket, Pro Marine cylinder head gasket
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