MerCruiser Engine coupler 12632A7 GM 120hp 140hp 12632A3 3.0L 2.5L alpha one Couplers You get the single spring

You get the single spring as a pictured

General Application / Compatibility

) GM 305 V-8 1977-1978 4765100 THRU 5170008

You get the pair as pictured

ALPHA GM 350 V-8 1986-1987 0A635178 THRU 0B525981

MerCruiser Engine coupler 12632A7 GM 120hp 140hp 12632A3 3.0L 2.5L alpha one Couplers You get the single springItem Details Excellent Shape This the newer style engine coupling assembly used on MerCruiser GM 120hp 2. 5L 140hp 3. 0L 4cyl models (Serial 0A000000 0F000000) but more so 1983 1997 that had this particular style coupler AND 12 3 4" flywheel. They were seen most frequently during this time period in different iterations. (12632A3 12632A6 12632A7) Early Style 12632A3 (Did not have extended greaseable tube for yoke splines) Later Style 12632A7 (Had