SIERRA WIRING HARNESS MERCU 18-99420

1977-1981 (20HP - 2 Cyl.) 1976-1979 (50,80 & 85HP - 4 Cyl.) Harness Exits Through the Side of the Lower Cowling Interchange: CDI 414-3369 Mercury Marine 84-64997 Mercury Marine 84-73369 Mercury Marine 84-73369A1 Mercury Marine 84-73447 Mercury Marine 84-73447A1 Mercury Marine 84-76295 Mercury Marine 84-76295A1