Fits 1980-96 6, 8, 9.9, 10, 15, 20 and 25 HP engines using the bullet connection pack. Replaces: 18-5777, 18-5778, 339-7452A 1, 339-7452A 7, 339-7452A 8, 339-7452A 9, 339-7452A10, 339-7452A11, 339-7452A14, 339-7452A15, 339-7452A19, 339-7452A21. Complete product description on Desktop version.