Quicksilver 8M0205803 Water Pump Repair KitGenuine OEM Mercury-Mercruiser part.Quicksilver 8M0205803 Water Pump Repair Kit is made for Mercury 175300HP, 450R, and 4.6L V8 4-stroke outboards with serial numbers 2B529482 and above. This all-in-one kit includes everything needed to fully rebuild your water pump, including the impeller, faceplate, seals, O-rings, and more. It's designed to restore proper cooling and protect your engine from overheating. Always check your owner's or service manual for proper fitment before installation.Application: 175 - 300HP V6 3.4L & V8 4.6L; Kit Includes: Water Pump Gasket; Face Plate; Face Plate Gasket; Key; Impeller; Face Seal; Drain Plug Seal; Water Pump Gasket; O-Ring; Actuator Seal; Face Seal Tool; Supersedes: 8M0142980