Yamaha - Water Pump Impeller Cooling System Component 6G0-44352-00-00. Overview. The Yamaha Water Pump Impeller 6G0-44352-00-00 is one of those maintenance parts you don't skip if you want your engine to stay healthy. When it starts to wear down, you'll usually see it in weak water flow or rising engine temps, especially at idle. It's constantly spinning and moving water through the motor, so it takes a beating over time. Swapping it out on schedule is one of the easiest ways to avoid overheating problems on the water.. Key Features. • Consistent Water Circulation - Keeps cooling water moving through the engine to maintain safe operating temperatures.. • OEM Fit Precision - Designed to match Yamaha water pump housing for proper fit and performance.. • Flexible Blade Design - Maintains strong pumping action across different engine speeds.. • Durable Material Build - Handles heat, friction, and continuous marine use without early failure.. Compatibility. Compatible with select Yamaha out