Quicksilver 8M6013997 Water Pump Impeller for Select Yamaha 25-50hp OutboardsQuicksilver water pump impeller 8M6010329 is for use on select 25-50hp F25-F50 Yamaha outboards. Replace damaged or worn water pump impellers to help keep your engine at proper operating temperatures. This Quicksilver water pump impeller is designed to meet all OEM specifications. Impeller only. See your owner's manual for recommended replacement schedule. Replacement hardware for installation sold separately. See your owner's or service manual for specific application and installation information. Hardware for installation sold separately. This Quicksilver water pump impeller replaces the following OEM part number: 6H4?44352?02?00. Also found in the aftermarket as 18-3068.Engine Part Application:For use on select 25 hp through 50 hp F25 through F50 Yamaha outboards.Key Product Features For use on select 25-50hp F25 through F50 Yamaha outboards; This Quicksilver water pump impeller is designed to meet all OEM specifications; Water pump impeller only; Replace damaged or worn water pump impellers to help keep your engine at proper operating temperatures; Engine Part Supersedes 8M0175385;