Exhaust Manifold Gasket – Fits Mercury/Mercruiser Marine Engines (Replaces 331916, 317228)
Exhaust Manifold Gasket – Fits Mercury/Mercruiser Marine Engines (Replaces 331916, 317228) is backordered and will ship as soon as it is back in stock.
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Worry-free returns
Worry-free returns
You may return most new, unopened items within 7 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
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Delivery and Shipping
Delivery and Shipping
Free standard shipping on all orders under 1 KG
Exhaust Manifold Gasket – Fits Mercury/Mercruiser Marine Engines (R...
Product Details
This high-quality Exhaust Manifold Gasket creates a reliable seal between the exhaust manifold and the cylinder head or crankcase. It is specifically designed for Mercury/Mercruiser V6 60–75 HP outboard engines and various sterndrive applications from 1986–1988, as well as OMC/Johnson/Evinrude 60–75 HP 3-cylinder outboards from the same period.
This part serves as a direct interchange for Mercury/Mercruiser part numbers 331916, 0331916, 319097, 317228, and 777426; OMC/Johnson/Evinrude 0317228; and Sierra 18-2913.
- Designed for a direct replacement fit.
- Ensures a proper seal for the exhaust manifold to the cylinder or crankcase.
- Built for reliable performance in marine gasoline engine environments.
Part Number Matrix
Use this matrix to confirm equivalent references across OEM and aftermarket.
| Brand | Part Number | Notes |
|---|---|---|
| Mercury/Mercruiser | 331916 | |
| Mercury/Mercruiser | 0331916 | |
| Mercury/Mercruiser | 319097 | |
| Mercury/Mercruiser | 317228 | |
| Mercury/Mercruiser | 777426 | |
| OMC/Johnson/Evinrude | 0317228 | |
| Sierra | 18-2913 | Aftermarket Cross-Reference |
Engine & Model Compatibility
Confirm your engine model/year in the table below.
For Mercury/Mercruiser models, this gasket fits V6 engines in the 60 to 75 HP range from 1986–1988.
For OMC/Johnson/Evinrude, this gasket is compatible with 3-cylinder engines from 60 to 75 HP (1986–1988) and select older models.
| Brand | Model | Rated HP | Years | OEM Part No. | Notes |
|---|---|---|---|---|---|
| Mercury/Mercruiser | 60-75 HP V6 | 60-75 | 1986–1988 | 331916 | |
| OMC/Johnson/Evinrude | 60-75 HP 3-cylinder | 60-75 | 1986–1988 | 0317228 | |
| OMC/Johnson/Evinrude | 75543B | 75 | 1975 | 0317228 | Key #30 in cylinder & crankcase assembly |
Technical Specs
- Product Type
- Exhaust Manifold Gasket
- Installation
- Direct replacement
- Fuel Type
- Gasoline
- Dimensions
- 7.0 in x 14.0 in x 1.25 in
- Primary Function
- Used for sealing exhaust manifold to cylinder or crankcase
What’s in the Box
- 1 x Gasket, Exhaust Manifold (Replaces 331916/0317228)
Installation Notes
- Disconnect the battery and allow the engine to cool completely before starting.
- Drain the engine's cooling system to prevent spills.
- Carefully disconnect any sensors or components obstructing the exhaust manifold.
- Loosen and remove the exhaust manifold mounting bolts in the sequence recommended by your service manual.
- Gently remove the old manifold and gasket. Avoid damaging the cylinder head surface.
- Thoroughly clean both the cylinder head and manifold mating surfaces to remove all old gasket material and carbon deposits.
- Position the new gasket correctly, ensuring all bolt holes and ports are perfectly aligned.
- Reinstall the exhaust manifold and hand-tighten the bolts first.
- Using a torque wrench, torque the manifold bolts to the manufacturer's specified value and sequence.
- Reconnect all previously removed components.
- Refill the cooling system.
- Start the engine and carefully check for any exhaust or coolant leaks around the manifold.
Troubleshooting & FAQ
How do I know if this gasket will fit my engine?
This gasket is designed for specific engine models and years. Please use our Part Number Matrix and Engine Compatibility tables on this page to cross-reference your OEM part number and verify your engine model and year range before ordering.
What are the signs of a failed exhaust manifold gasket?
Symptoms of a bad gasket include a loud ticking or tapping sound from the engine bay (especially when cold), reduced engine performance, a smell of exhaust fumes, and visible soot or black streaks around the manifold-cylinder head connection.
When should this gasket be replaced?
Replace the gasket whenever the exhaust manifold is removed for service or replacement. It should also be replaced immediately if you detect signs of a leak. Replacement is based on condition, not a fixed service interval.
OEM vs. Aftermarket?
This listing is an aftermarket replacement (not OEM). Built to OEM-level specifications with comparable materials. Manufactured in an ISO 9002 facility, batch-inspected for consistency.
Shipping speed & cost?
We ship worldwide quickly—typical transit 5–15 days. Standard shipping is free; expedited options appear at checkout where available.
Warranty & returns?
Covered by a 1-year warranty against manufacturing defects under normal use. If issues arise, contact support with your order details. Returns are accepted within our standard window (unused & in original condition). See our policy page or reach out for instructions.
Safety & Important Info
- Verify images/specifications vs your original part. If anything differs—even if your model appears compatible—do not purchase.
- This is an aftermarket replacement, not an OEM component.
- Professional installation is recommended for safety and performance.
About Sea Sierra
- Pro-Grade Standards — We supply marine parts engineered to OEM-level tolerances and tested for real-world conditions.
- Fast Global Fulfillment — Free standard delivery to most regions in 5–15 days.
- Manufacturer-Direct Value — Fair pricing without compromising on materials or QC.
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