Thermostat Housing Gasket – Fits Mercury/MerCruiser Ford V-8 Engines (Replaces 27-60208Q)
Thermostat Housing Gasket – Fits Mercury/MerCruiser Ford V-8 Engines (Replaces 27-60208Q) is backordered and will ship as soon as it is back in stock.
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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.).
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Delivery and Shipping
Delivery and Shipping
Free standard shipping on all orders under 1 KG
Thermostat Housing Gasket – Fits Mercury/MerCruiser Ford V-8 Engine...
Product Details
This Thermostat Housing Gasket – Fits Mercury/MerCruiser Ford V-8 Engines (Replaces 27-60208Q) provides a reliable seal for the thermostat housing on various Ford V-8 engines used in MCM and MIE marine applications. It is engineered to prevent coolant leaks and ensure optimal engine temperature regulation.
This part is a direct replacement for Mercury/Quicksilver part number 27-60208Q and Mercury part number 27-60208.
- Engineered for direct-fit installation.
- Compatible with all standard marine fuels and coolants.
- Ensures a durable, leak-proof seal.
Part Number Matrix
Use this matrix to confirm equivalent references across OEM and aftermarket.
| Brand | Part Number |
|---|---|
| Mercury/Quicksilver | 27-60208Q |
| Mercury | 27-60208 |
Engine & Model Compatibility
Confirm your engine model/year in the table below.
This gasket is designed for specific MerCruiser models utilizing Ford V-8 engines.
| Brand | Model | OEM Part No. | Notes |
|---|---|---|---|
| MerCruiser | Ford V-8 MCM/MIE | 27-60208Q | Fits MCM/MIE Ford V-8 engines |
Technical Specs
- Product Type
- Thermostat Housing Gasket
- Installation
- Direct replacement
- Fuel Type
- Compatible with all marine fuels
- Dimensions
- 190.5 × 152.4 × 28.7 mm (7.5 × 6.0 × 1.13 inches)
- Weight
- 0.142 kg (5 ounces)
- GTIN
- 745061597815
What’s in the Box
- 1 × Thermostat Housing Gasket (27-60208Q)
Installation Notes
- Disconnect the battery and allow the engine to cool completely.
- Drain the engine coolant to a level below the thermostat housing.
- Loosen and remove the bolts securing the thermostat housing. Note their positions.
- Carefully remove the old housing and gasket. Discard the old gasket.
- Thoroughly clean both the engine block and housing mating surfaces. Remove all old gasket material and corrosion.
- Position the new gasket on the engine block, aligning it with the bolt holes.
- Reinstall the thermostat housing and tighten the bolts to the manufacturer's specified torque in a crisscross pattern.
- Refill the cooling system, reconnect the battery, and start the engine, checking for leaks.
Troubleshooting & FAQ
How do I know if this gasket will fit my specific engine?
This gasket is designed for MerCruiser MCM/MIE applications using Ford V-8 engines. Please consult your engine’s service manual or visually compare your existing gasket to our product images and specifications to ensure an exact match before ordering.
What are the signs of a failed thermostat housing gasket?
Common symptoms include visible coolant leaks around the thermostat housing, engine overheating, an illuminated temperature warning light, and a sweet smell of antifreeze from the engine bay. These signs indicate the seal has been compromised and should be replaced.
Do I need to use a sealant with this gasket?
Most modern gaskets like this one are designed to be installed dry and do not require additional sealants. Applying sealant can sometimes interfere with a proper seal. Always follow the recommendations in your engine’s official service manual.
Why is it important to replace a leaking thermostat gasket?
A leaking gasket can lead to a loss of engine coolant, which can cause the engine to overheat. Severe or prolonged overheating can result in catastrophic engine damage, including warped cylinder heads or a cracked block.
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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