Oil Pan Gasket – Fits Volvo Penta & Mercruiser 4-Cylinder (Replaces 17985)
Oil Pan Gasket – Fits Volvo Penta & Mercruiser 4-Cylinder (Replaces 17985) is backordered and will ship as soon as it is back in stock.
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Worry-free returns
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Delivery and Shipping
Delivery and Shipping
Free standard shipping on all orders under 1 KG
Oil Pan Gasket – Fits Volvo Penta & Mercruiser 4-Cylinder (Repl...
Product Details
This replacement Oil Pan Gasket – Fits Volvo Penta & Mercruiser 4-Cylinder (Replaces 17985) is designed for various 4-cylinder gasoline marine engines, including the Volvo Penta MIKIV series. It creates a secure seal to prevent oil leaks from the engine's oil pan.
This part is a direct replacement for Volvo Penta part number 17985.
- Engineered as a direct replacement for a hassle-free installation.
- Constructed from durable materials resistant to oil, heat, and the marine environment.
- Designed to prevent corrosion and contamination for long-lasting performance.
Part Number Matrix
Use this matrix to confirm equivalent references across OEM and aftermarket.
| Brand | Part Number |
|---|---|
| Volvo Penta | 17985 |
Engine & Model Compatibility
Confirm your engine model/year in the table below.
Fits various 4-cylinder gasoline engines, including the MIKIV series.
| Brand | Model | Stroke | OEM Part No. |
|---|---|---|---|
| Volvo Penta | MIKIV Series | 4-Stroke | 17985 |
Technical Specs
- Product Type
- Oil Pan Gasket
- Installation
- Direct replacement
- Fuel Type
- Gasoline
- Housing Material
- Durable gasket material resistant to oil and marine environment
- Dimensions
- Height: 1.5; Width: 18.0; Length: 84.0;
- Operating Temperature
- Designed for marine engine operating temperatures
- Other Technical Attributes
- Engineered to resist corrosion, oil, and contaminants
What’s in the Box
- 1 x Oil Pan Gasket (17985)
Installation Notes
- Safely secure the vessel and disconnect the battery. Drain the engine oil completely into a suitable container.
- Remove any components obstructing access to the oil pan, such as engine mounts or cross-members, as required.
- Carefully and evenly loosen and remove all oil pan bolts. Gently lower the oil pan from the engine block.
- Remove the old gasket. Thoroughly clean the mating surfaces of both the engine block and the oil pan, ensuring they are free of old gasket material, oil, and debris.
- Apply sealant only if specified by your engine's service manual. Place the new gasket correctly onto the oil pan.
- Reinstall the oil pan. Hand-tighten the bolts first, then tighten them in the sequence and to the torque value specified in your service manual.
- Reinstall any components that were removed.
- Refill the engine with the manufacturer-recommended type and quantity of oil.
- Reconnect the battery, start the engine, and carefully inspect for any oil leaks around the oil pan seal.
Troubleshooting & FAQ
How do I know if my oil pan gasket is failing?
The most common signs of a failing oil pan gasket are visible oil drips under the engine compartment, a consistently low engine oil level, or the smell of burning oil as it leaks onto hot engine components.
Is this gasket compatible with all 4-cylinder Mercruiser engines?
It is designed to fit a wide range of 4-cylinder gasoline Mercruiser engines. However, you must verify that part number 17985 is the correct reference for your specific engine model and year by checking your service manual.
Do I need to use a sealant with this gasket?
Consult your engine’s official service manual. Some engine designs require a dry fit, while others specify applying a sealant (like RTV silicone) at junctions or corners. Using sealant improperly can cause leaks.
What causes an oil pan gasket to fail?
Gaskets degrade over time due to constant heat cycles, exposure to oil and contaminants, and engine vibrations. Improper installation, such as over-torquing bolts, can also cause premature failure.
Can I reuse my old oil pan bolts?
It is generally recommended to use new bolts, especially if they are torque-to-yield type. If reusing old bolts, ensure they are clean, undamaged, and apply the correct torque as specified in your manual.
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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