55 amp alternator 817119A4 is for 4-cylinder MerCruiser sterndrive or inboard engines made by General Motors from 1982-2016. It is also for V6 and V8 MerCruiser sterndrive or inboard engines made by General Motors 1982-1996. See your service manual for replacement directions. Easy to change out your non-functioning alternator with common shop tools.
Exact replacement alternator for select MerCruiser sterndrive and inboard engines made by General Motors
Output is 55 amps
Easy to replace with common tools
V-belt application only
See your owner's manual for removal of non-functioning alternator and replacement of new alternator
Produced to meet Mercury Marine original equipment manufacturer specifications to maximize the performance of your Mercury and Mariner outboard or MerCruiser sterndrive