Description
The Yanmar 120650-42360 is a genuine OEM seawater pump V-belt for Yanmar 4BY and 6BY series marine diesel engines.
Why it matters
The V-belt drives the engine accessories, and on many installations the seawater pump, so losing it can mean losing engine cooling. Carry a spare.
Fitting
Drives the seawater pump, so a failure means lost cooling. Carry a spare.
Check your fitment
The engine models listed in the product specifications are a guide only. Always confirm against the parts catalogue for your engine’s model and serial number before ordering. If you are unsure, send us your engine plate details and we will check it for you.
Genuine Yanmar parts
We stock genuine Yanmar OEM parts, not pattern copies. If you need help identifying the right part for your engine, or want to book a service, get in touch.
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