Lucasng Marine Center Water Pump Impeller Kit Fits your Mercury F40?60 4-stroke Bigfoot/Command Thrust outboard, 60 hp 2?cycle BigFoot (serial number 0D000750 and above). 75/90/115 4-stroke outboards, 150 EFI 4-stroke outboards 70/75/80/90 hp 2?cycle outboards (serial number 0A996142 and above). 100/115/125 Hp. 2?cycle (4 cylinder) models having pump cover screws without insulators. It also fits V?200/225/250 (3.0L) 2?cycle outboards. Fits all 4-cylinder and 6-cylinder Verado (with 4.80 dia. torpedo gearcases) outboards. Also fits MerCruiser Alpha One Gen II drives (serial number 0D469859 and above). See your owner’s manual for replacement schedule. See your service manual for installation instructions.