18643A5 Mercruiser Alpha Coupling Coupler 3.0 4.3 5.0 5.7 5.8 6.3 L V6 V8

Brand: MerCruiser

Other Part Number: N/A

Motor & Engine Type: MerCruiser

Color: Black

Manufacturer Part Number: 18643A5

UPC: N/A

Country of Manufacture: United States

Surface Finish: Painted, Black

Part Type: Motors, Engines & Components

Donor Motor: Loose

Recent pull from a 1993 Mercruiser 4.3 drivetrain