Yamaha - Insert cartridge - 689-W4432-01-00 MerCruiser-3-0L-MPI-2007 73A-12111-10-00 - VALVE

73A-12111-10-00 - VALVE

while the composite parts keep the assembly lightweight and reliable

especially when you are running through choppy inlets or easing away from a crowded marina with the sun dropping behind you

providing strength

Yamaha - Insert cartridge - 689-W4432-01-00 MerCruiser-3-0L-MPI-2007 73A-12111-10-00 - VALVEYamaha Water Pump Cartridge Insert Cooling System Component 689 W4432 01 00 Overview When youre rebuilding a water pump, the cartridge insert is one of those pieces you dont overlook. Its what helps guide water flow through the pump housing and keeps everything moving the way it should. If its worn or scored, youll lose efficiency even with a new impeller. Swapping it out during service keeps your cooling system working like its supposed to. Key