Barr MerCruiser Ford 302 351 Upper Thermostat Housing MC-29-59498
BAMC29-59498
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Barr MerCruiser Ford Upper Thermostat Housing
302 / 351 V8 | Replaces Mercury 59498A1
Barr Marine replacement upper thermostat housing/cover for legacy MerCruiser Ford small-block V8 installations. It mates with the corresponding lower body used on the specified Ford-engine cooling systems.
Key Features
- Upper thermostat housing for legacy Ford marine V8
- Suitable for specified Ford 302 and 351 applications
- Barr Marine casting
- Replaces Mercury 59498/59498A1
- Bare housing unless other parts are pictured
Technical Specs
| Part type | Upper thermostat housing / cover |
| Engine architecture | Ford small-block V8 |
| Common engines | 302 cid / 351 cid |
| Brand | Barr Marine |
| 4Boats SKU | BAMC29-59498 |
Compatibility / Fitment Guide
| Engine / system | Application | Required check |
|---|---|---|
| MerCruiser 888 / 225 Ford | Legacy Ford V8 sterndrive applications | Parts diagram must list 59498 or 59498A1 |
| MerCruiser 233 Ford | Ford 351 V8 MCM/MIE variants | Example 1975–1976 serial 4173000–4775784; verify exact model |
| MerCruiser 255 Ford | Legacy Ford 351 V8 variants | Match the lower housing and hose-port orientation |
| Housing assembly service | Used with corresponding Barr body MC-29-63588 where specified | Confirm mating flange and port layout |
Not for GM/Chevrolet 4.3L, 5.0L or 5.7L engines. Thermostat, lower body, gaskets, fittings and mounting hardware are not included unless visible in the product images.
Part Number Cross Reference
| Mercury / MerCruiser | 59498; 59498A1 |
| Barr Marine | MC-29-59498; BAMC29-59498 |
| Related lower body | MC-29-63588 — verify application |
| 4Boats SKU | BAMC29-59498 |
Cross-reference numbers identify compatible applications; verify against the serial-specific engine diagram.
Frequently Asked Questions
Is this for a Chevrolet 5.0L?
No. This housing is for specified Ford 302/351-based MerCruiser engines.
Is it the complete housing assembly?
No. It is the upper housing/cover unless other components are pictured.
Does it fit the 233 Ford?
Yes where the parts diagram specifies Mercury 59498A1; verify serial.
Is it genuine Mercury?
No. It is a Barr Marine replacement.
Before ordering: confirm a Ford 302/351 engine and Mercury reference 59498/59498A1.
For the products under £150 the shipping is £6.99.
Free delivery for most items over £150.
