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Boat Swim Platform Supports:
Found on most MerCruiser GM & Ford V8 Models 1970-Early 1980's (302 5
170hp 200hp 1977 1978 1979 1980 1981 1982 1983 1984 1985 1986 1987 270hp 260hp 170hp 230hp 175 200 270 260 170 230 185 hp Alpha One Gen 1 Sterndrive Stern Drive I/O Single Double Triple Slot Pulley Pully
The part number for this is technically 0983058 / 0983058 However this supersedes to 983438 / 0983438
1970 1971 1972 1973 1974 Sterndrive Alpha One
MerCruiser 13930A3 Rear Flywheel Housing cover plate 4.3L 5.0L 5.7L V8 305 350 Pulley Boat Swim Platform Supports:Item Details This would have been found on various MerCruiser GM 4. 3L V6 V8 5. 0L 305 V8 5. 7L 350 V8 engines manufactured between 1987 1995. (With 14" Flywheel 1 piece rear main seal & a 12" starter STAMPED TRIANGLE COUPLER) During this time period, there were 2 different types of flywheel covers depending on which type of coupler the engine used, and then a 3rd type for engines using an 8" starter. 13930A3 was used with engines that had a 14"