Recmar MerCruiser 7.4L 8.2L Thermostat Housing Kit 90736A24
REC90736A24
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Regular price£948.82
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MerCruiser Big-Block Thermostat Housing Kit
7.4L / 8.2L | 454 / 502 CID | 90736A24
Aftermarket Recmar thermostat-housing assembly for specified MerCruiser big-block V8 cooling systems.
VERIFY BEFORE ORDERING: Fitment is by cooling-system layout and reference, not merely 7.4L/8.2L displacement. Compare housing ports, tee/valve arrangement and engine serial.
Key Features
- Big-block V8 thermostat housing assembly
- MerCruiser 7.4L/454 and selected 8.2L/502
- Aftermarket Recmar replacement
- Cross-references 16413A3/A9
- Compare supplied components with product photo
Technical Specs
| Part type | Thermostat housing kit / assembly |
| Engine | MerCruiser big-block V8 |
| Displacement | 7.4L / 454 CID; selected 8.2L / 502 CID |
| 4Boats SKU | REC90736A24 |
Compatibility / Fitment Guide
| Application | Verified fitment | Checks / exclusions |
|---|---|---|
| MerCruiser 7.4L | 454 CID big-block engines using 90736A24 | Confirm raw/closed cooling arrangement and ports. |
| MerCruiser 8.2L | Selected 502 CID applications with matching housing | Not every 8.2L/496 generation uses this assembly. |
| Reference match | 90736A24; 16413A3; 16413A9 | Compare casting and all hose connections. |
Final fitment check: Match the serial-specific cooling diagram and original housing assembly, including every port/fitting.
Part Number Cross Reference
| MerCruiser | 90736A24; 16413A3; 16413A9 |
| GLM | 13221 |
| Recmar / 4Boats | REC90736A24 |
Frequently Asked Questions
Does it fit MerCruiser 496 engines?
No blanket 496 fitment is claimed; match the OEM reference.
Is it genuine MerCruiser?
No. It is aftermarket Recmar.
What is included?
Use the listing photo as the supply reference; transferred fittings and gaskets may be separate.
Housing replacement should be followed by a cooling-system pressure/leak test.
For the products under £150 the shipping is £6.99.
Free delivery for most items over £150.
