This is a replacement rewind recoil pull - start pinion gear, part numbers 0318447 and 318447. Made of durable plastic, it is a direct replacement part. It fits Evinrude outboard engines of 4.5hp, 6hp, 7.5hp, 8hp from 1980 - 1990 and Johnson outboard engines of 4.5hp, 5hp, 6hp, 7.5hp, 8hp from 1980 - 1990. For Evinrude Outboard, it fits 4.5Hp 1980 - 1983, 5HP 1968 models 5802B, 5802M, 5803E, 5803M, 5802E, 6HP 1968 - 1990 models 6802A, 6803C, 6803R, 6802C, 6802R, 6803A, 6902M, 6903M, 6002B, 6003B, 6103G, 6103E, 6102E, 6102G, 6202D, 6203D, 7.5Hp 1980 - 1983, 8Hp 1984 - 1990. For Johnson Outboard, it fits 4.5HP 1980 - 1983, 5HP 1968 models LD - 13E, LDL - 13B, LD - 13M, LDL - 13E, LDL - 13M, LD - 13B, 6HP 1968 - 1990 models CD - 25A, CD - 25C, CD - 25R, CDL - 25A, CDL - 25C, CDL - 25R, 6R69M, 6RL69M, 6R71E, 6R71G, 6RL71E, 6RL71G, 6RL72, 6R72D, 7.5HP 1980 - 1983, 8HP 1984 - 1990. Also fits OMC Stern Drive 5HP 1994 models 50FACPMDA, 50FACPMDM, 50FAGPMDA, 50FAGPMDM and 5.8HP 1994 models 58FAGPMDA, 58FACPMDM, 58FACPMDA, 58FAGPMDM.