Click here to buy hac parte Amazon.com Click here to buy hac parte ebay.com Aqua-18 3525 pump Repair Kit - In Praesent GLM Part Number: 12232; Mons Part Number: 1826; OMC Part Number: 389133 WorksWith Evinrude 50 HP 1971 Model 50172 50173 Cicero 50 1971 Model 50ES71 HP: 50ESL71 Evinrude 50 HP 1972 Model 50202 50203 50272 50273 Cicero 50 1972 Model 50ES72 HP: 50ESL72, 50R72, 50RL72 Evinrude 50 HP 1973 Model 50302 50303 50372 50373 Cicero 50 1973 Model 50ES73 HP: 50ESL73, 50R73, 50RL73 Evinrude 50 HP 1974 Model 50442 50443 50472 50473 Cicero 50 1974 Model 50ES74 HP: 50ESL74 Evinrude 50 HP 1975 Model 50542 50543 50572 50573 Cicero 50 1975 Model 50ES75 HP: 50ESL75 Cicero 50 1977 Model 50R77 HP: 50RL77 Cicero 50 1978 Model 50R78 HP: 50RL78 Evinrude 55 HP 1976 Model 55642 55643 55672 55673 Cicero 55 1976 Model 55E76 HP: 55EL76 Evinrude 55 HP 1977 Model 55772 55773 Cicero 55 1977 Model 55E77 HP: 55EL77 Evinrude 55 HP 1978 Model 55874 55875 Cicero 55 1978 Model 55E78 HP: 55EL78