Engine Couplers
- Cobra SX Engine Coupler | Sierra 18-21752-1SIERRA-18-21752-1Qty In Stock: 15Brand: SierraAftermarket coupler connects OMC & Volvo Penta GM V6 & V8 engines to stern drives. Learn MoreCobra SX Engine Coupler | Sierra 18-21751SIERRA-18-21751Qty In Stock: 9Brand: SierraAftermarket coupler connects OMC & Volvo Penta GM engines to stern drives. Learn MoreFord Engine Coupler | Sierra 18-21753SIERRA-18-21753Qty In Stock: 9Brand: SierraAftermarket engine coupler connects OMC Ford small block engines to sterndrives. Learn MoreEngine Coupler | Sierra 18-2171SIERRA-18-2171Qty In Stock: 7Brand: SierraAftermarket engine coupler connects early model Mercruiser GM engines to stern drives. Learn MoreMercruiser GM Pre-Vortec Engine Coupler | Sierra 18-2172SIERRA-18-2172Qty In Stock: 1Brand: SierraAftermarket engine coupler connects Mercruiser GM engines to stern drives. Learn MoreMercruiser Ford V8 Engine Coupler | Sierra 18-2173SIERRA-18-2173Qty In Stock: 3Brand: Sierra
Sierra engine coupler bolted to the crankshaft studs on Mercruiser Ford small block V8 engines to engage the drive unit inut yoke.
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