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MerCruiser Cummins 6BY Starter Motor, Ref 805991 / 3604654RX | Recmar REC3604654RX
REC3604654RX
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Product Specifications and Features
This 12V starter motor is a Recmar aftermarket replacement for MerCruiser diesel installations using Cummins 5.9L (commonly referenced as Cummins 6BY / 6BT). It cross-references MerCruiser/Mercury 50-805991 and Cummins 3604654RX. Confirm the part number on your existing starter and your engine model before ordering.
- Part: Starter Motor
- Voltage: 12V
- Pinion teeth: 10T
- Rotation: Clockwise (CW)
- Starter family/type: Delco 28MT-style gear reduction (OSGR)
- Recmar SKU: REC3604654RX
- OEM / cross-reference numbers: Cummins 3604654RX (also 3604654), MerCruiser/Mercury 50-805991 (805991)
Fitment note: Marine diesel starter applications can vary by engine build, bellhousing and mounting. Always match by the reference numbers and the starter currently fitted to avoid ordering the wrong unit.
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