Engine Coupler for MerCruiser MC-1 & R/MR/Alpha One drives with older Chevy & GM V6 & V8 engines with 2 pc. rear main seals.

Replaces: Mercury 76850A2 | 32492A5 | 38965A2 | 32492A3 | 38965A1 | 32492A2 | 32492A1

For Older model MC-1 & R/MR/Alpha One drives with older Chevy & GM V6 & V8 engines with 2 pc. rear main seals.

also crosses with: Sierra: 18-2171 GLM: 11500 Mallory: 9-72502