Mercury-Mercruiser 454-6643A2 CRANKSHAFT ASSEMBLY
454-6643A2 CRANKSHAFT ASSEMBLY has been superceded to a new part number.
The newest part number is 9073A1 -click here- to see the newest superceded part
Please note the new superceded part is a functional replacement and may look differant from the original part
Manufacturer part number: