Gasket – Fits Mercruiser Marine Engines (Replaces 27-52894)
Gasket – Fits Mercruiser Marine Engines (Replaces 27-52894) 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).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
Delivery and Shipping
Delivery and Shipping
Free standard shipping on all orders under 1 KG
Gasket – Fits Mercruiser Marine Engines (Replaces 27-52894)
Product Details
This is an OEM replacement Gasket – Fits Mercruiser Marine Engines (Replaces 27-52894), engineered to provide a reliable seal for marine applications. It is designed specifically for Mercruiser marine engines, including 80 (800) HP 4-Cylinder models.
This component serves as a direct interchange for Mercruiser part number 27-52894, ensuring proper fit and function.
- Engineered for marine environments to withstand extreme temperatures and pressure.
- Designed as a direct OEM replacement for straightforward installation.
- Suitable for gasoline fuel type engines.
Part Number Matrix
Use this matrix to confirm equivalent references across OEM and aftermarket.
| Brand | Part Number |
|---|---|
| Mercruiser | 27-52894 |
Engine & Model Compatibility
Confirm your engine model/year in the table below.
| Brand | Model | Rated HP | OEM Part No. | Notes |
|---|---|---|---|---|
| Mercruiser | 80 (800) HP 4-Cyl. | 80 | 27-52894 | For 80 (800) HP 4-Cylinder engines |
Technical Specs
- Product Type
- Marine Engine Gasket
- Installation
- Direct OEM Replacement
- Fuel Type
- Gasoline
- Dimensions
- 43.0 L x 20.0 W x 0.3 H
- Warranty
- Manufacturer Standard Warranty
- Other Technical Attributes
- Designed for marine environments; withstands extreme temperatures and pressure
What’s in the Box
- 2 x Gasket (27-52894)
Installation Notes
- Ensure the engine is off, cool, and the battery is disconnected before starting.
- Drain any relevant fluids, like coolant, to prevent spills.
- Remove any components that obstruct access to the old gasket's location.
- Carefully take off the old gasket and clean any residual material from the mating surfaces.
- Ensure both surfaces are completely clean, dry, and free of imperfections.
- Position the new gasket correctly. Do not use sealant unless specified by the engine's service manual.
- Reassemble all components, tightening bolts to the manufacturer-specified torque in the proper sequence.
- After reassembly, refill fluids, reconnect the battery, and start the engine to check for any leaks.
Troubleshooting & FAQ
How do I know if this gasket will fit my Mercruiser engine?
This gasket is a direct replacement for OEM part number 27-52894 and is specifically confirmed to fit Mercruiser 80 (800) HP 4-Cylinder models. To ensure compatibility, always match the part number with your engine's service manual or the original part.
Should I use adhesive or sealant with this gasket?
This gasket is designed for a dry fit and generally does not require sealant. Using sealants can sometimes interfere with proper sealing unless explicitly recommended by your engine's service manual. Always clean and dry mating surfaces before installation.
What are the symptoms of a failing gasket?
Common signs of a faulty gasket include engine overheating, external oil or coolant leaks, a milky appearance in the engine oil (indicating coolant mixing), or loss of engine compression. Visual inspection may reveal cracks or deterioration of the old gasket.
How does this aftermarket gasket compare to an OEM part?
Our aftermarket gaskets are manufactured to meet or exceed OEM specifications using comparable, high-quality materials. They provide the same performance and seal integrity as original parts but at a more competitive value.
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.
Payment & Security
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