MerCruiser 13930A3 Rear Flywheel Housing cover plate 4.3L 5.0L 5.7L V8 305 350 Timing Cover Piston And Piston Pin Assembly:

Piston And Piston Pin Assembly:  5744553

This was used on 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989

Removed from a OMC 1982 Stringer 800 V6 / V8 Gearcase (Found on 3

This is for  a OMC Stringer 225hp or 245hp 1968-1976

The one on the top of the first picture and in the last couple pictures looks to have been cut off a bigger piece and is slightly longer

MerCruiser 13930A3 Rear Flywheel Housing cover plate 4.3L 5.0L 5.7L V8 305 350 Timing Cover Piston And Piston Pin Assembly: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"