Recmar MerCruiser GM V6 V8 Lower Thermostat Gasket 27-53045Q01
REC27-53045Q01
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Regular price£3.78
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MerCruiser Lower Thermostat Housing Gasket
GM V6/V8 | 27-53045Q01
Aftermarket Recmar lower thermostat-housing gasket for specified MerCruiser GM V6 and V8 engines.
VERIFY BEFORE ORDERING: The previous title incorrectly began with Yanmar. This is a MerCruiser GM-engine gasket. Match the lower-housing position and grounding-tab/style requirements.
Key Features
- Lower thermostat-housing gasket
- Selected MerCruiser GM V6 and V8 engines
- Common 4.3L, 5.0L and 5.7L applications
- Aftermarket Recmar replacement
- Single gasket supplied
Technical Specs
| Part type | Lower thermostat-housing gasket |
| Position | Housing to intake/manifold interface |
| Engine family | MerCruiser GM V6/V8 |
| 4Boats SKU | REC27-53045Q01 |
Compatibility / Fitment Guide
| Application | Verified fitment | Checks / exclusions |
|---|---|---|
| MerCruiser 4.3L | Selected GM V6 thermostat housings using 27-53045Q01 | Confirm housing design and grounding tabs. |
| MerCruiser 5.0L / 5.7L | Selected GM V8 cooling layouts with the same lower gasket | Not for every model year/housing. |
| Reference match | 27-53045Q01 / 27-53045 | Compare outline and tab configuration. |
Final fitment check: Confirm the serial-specific diagram calls for 27-53045Q01 at the lower housing joint.
Part Number Cross Reference
| MerCruiser | 27-53045Q01; 27-53045 |
| Recmar / 4Boats | REC27-53045Q01 |
Frequently Asked Questions
Is this a Yanmar part?
No. The verified application is MerCruiser GM V6/V8.
Is it the upper cover gasket?
It is catalogued as the lower housing gasket; confirm position.
Is the thermostat included?
No.
Grounding tabs, where present, must contact clean metal as designed.
For the products under £150 the shipping is £6.99.
Free delivery for most items over £150.
