Description
SIERRA 17-Spline Engine Coupler for OMC/Volvo 4.3L-5.7L – 18-21752-1 is a replacement engine-to-drive coupler for selected OMC and Volvo Penta gasoline sterndrive packages.
The 17-spline hub transfers engine torque into the sterndrive input system. Fitment spans specified 4.3L, 5.0L and 5.7L applications from the late 1980s through 1998.
Key Features
- 17-spline drive interface
- Fits selected 4.3L applications from 1986-1998
- Fits selected 5.0L applications from 1986-1988 and 1998
- Fits selected 5.7L applications from 1986-1998
- Replacement for listed OMC and Volvo Penta coupler numbers
Specifications
- Manufacturer Part Number: 18-21752-1
- Product Type: Engine coupler
- Spline Count: 17
- Engine Families: 4.3L / 5.0L / 5.7L
- Application: OMC / Volvo Penta sterndrive
Interchange / Cross Reference
- OMC 3853917
- OMC 3858437
- OMC 984290
- OMC 986120
- Volvo Penta 3853917
- Volvo Penta 3858437
Engine-coupler fitment is model-year and flywheel dependent; verify the OE number before ordering.
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