Yamaha 155mm Jet Pump Housing (63M) (SKU: 003-505) KH-IG-B helping maximize both low-end acceleration

helping maximize both low-end acceleration and top-speed performance by targeting the ideal RPM range for your engine modifications

this Sea-Doo impeller cone is built for long-lasting reliability in freshwater and saltwater environments

improved towing power

For specialized applications

Performance Disclaimer: Due to variables such as engine condition

Yamaha 155mm Jet Pump Housing (63M) (SKU: 003-505) KH-IG-B helping maximize both low-end accelerationYamaha 155mm Jet Pump Housing (63M) WSM 003 505 The WSM 003 505 Yamaha 155mm Jet Pump Housing is a premium aftermarket replacement designed for Yamaha personal watercraft equipped with the 63M pump system. Manufactured from durable marine grade aluminum, this housing is a direct replacement for the OEM Yamaha pump housing while offering the added advantage of a replaceable plastic wear ring for easier maintenance and lower long term ownership costs.