🔧 BOATING 101: THE WATER PUMP IMPELLER This small rubber piece with blades is literally the lifeblood of your engine! It pulls cooling water from the lake through your entire system. ⚠️ Since it's rubber, it needs replacement every 2-3 years - even if it looks fine! DIY Tips: • You'll need your engine's serial number to get the right part • When installing, turn clockwise as you slide the housing down • Don't wait until the blades break off! Need help? Our service department can handle this cri