This water pump repair kits fits these model outboards: For 30 through 70 Horsepower Mercury and Mariner Outboards and specific Jet Drive Outboards. Fits 30 JET (USA 0C159200 through 0G589999). Fits 35hp 2‑cycle (USA 6445653 and above, BEL 9384476 and above, CAN 7209608 and above). Fits 40hp 2‑cycle (all 2-cylinder engines through MY 1983). Fits 40hp 2‑cycle (4-cylinder engines) (USA 0C159200 & above, BEL 9570790 and above). Fits 45hp 2‑cycle (4-cylinder engines). Fits 50hp 2‑cycle (4 cylinder engines with plastic water pumps). Fits 50 through 60hp 2‑cycle (3 cylinder engines) (USA 6428681‑0D000749, BEL 9385911‑9683054, CAN 7208333 & above). Fits 70hp 2‑cycle (3 cylinder engines) (USA 4977157‑6428680, AUS 8050200 and above, BEL 9196961‑9385910, CAN 7110998‑7208332). See your owner's manual for replacement schedule. See your service manual for installation instructions.