Recmar MerCruiser Power Steering V-Belt 52in 57-34359 57-37619Q
REC57-34359
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MerCruiser Power Steering V-Belt
52-inch belt for specified V6/V8 applications
Recmar replacement V-belt for the power-steering drive on specified MerCruiser V6 and V8 engines equipped with the 5½-inch water-pump pulley arrangement. It is not a Bombardier belt.
Key Features
- Power-steering V-belt for specified MerCruiser applications
- 52-inch length specification
- Used with the documented 5½-inch water-pump pulley layout
- Cross-references 57-34359 and 57-37619Q
- Aftermarket replacement belt; one supplied
Technical Specs
| Part type | Power-steering V-belt |
| Length | 52 in / approx. 1320.8 mm |
| Pulley configuration | 5½-inch water-pump pulley |
| MerCruiser references | 57-34359 / 57-37619Q |
| Recmar SKU | REC57-34359 |
| Quantity | 1 belt |
Compatibility / Fitment Guide
Documented MerCruiser application ranges:
| 4.3L V6 | 1985–1992 guide; engine serial 0A331455 through 0D714106, with power steering and the matching pulley layout. |
| 5.0L / 5.7L V8 | 1983–1995 guide; engine serial 6218462 through 0F600999, with power steering and the matching pulley layout. |
| Required hardware | 5½-inch water-pump pulley arrangement specified for this belt. |
| Not for | Serpentine-belt engines, engines without power steering, different pulley diameters or serial ranges specifying another belt. |
Serial numbers and installed pulleys are decisive because accessories and pulley diameters can change belt length within the same displacement.
Part Number Cross Reference
| MerCruiser original reference | 57-34359 |
| MerCruiser service reference | 57-37619Q |
| Recmar / 4Boats SKU | REC57-34359 |
Cross references identify the intended application and do not imply original-manufacturer packaging.
Frequently Asked Questions
Is this a Bombardier belt?
No. It is an aftermarket MerCruiser power-steering V-belt application.
Does it fit every 4.3L MerCruiser?
No. Check the listed serial range, power-steering system and 5½-inch water-pump pulley.
Is it a serpentine belt?
No. It is a conventional V-belt.
What is supplied?
One 52-inch belt.
Should pulley diameter be measured?
Yes, especially if the engine has been repowered or accessories have been replaced.
Confirm engine serial, pulley diameter and original belt reference before purchase.
For the products under £150 the shipping is £6.99.
Free delivery for most items over £150.