Mercury Water Pump Repair Kit (175-300HP V6/V8 FourStroke & 450R) 8M0205803

Mercury Water Pump Repair Kit, 175HP-300HP & 450R V6/V8 FourStroke 8M0205803 is a genuine Mercury/Quicksilver OEM service kit designed for compatible Mercury V6 and V8 FourStroke outboards. This complete repair kit includes the major water pump components needed to restore cooling system performance and help protect your engine from overheating.

Compatible with the following (serial No. 2B529482 and newer):

• Mercury 175HP-300HP 3.4L V6 FourStroke outboards
• Mercury Racing 450R 4.6L V8 FourStroke outboards

Designed as one of Mercury's most complete water pump service kits, it includes the essential components needed to rebuild the water pump and restore proper cooling water flow. Each component is manufactured to OEM specifications for proper fit, dependable performance, and long service life.

Kit Includes:

• Water pump impeller
• Impeller key
• Face plate
• Face plate gasket
• Water pump gasket
• Face seal
• Actuator seal
• O-ring
• Drain plug seal
• Face seal tool

Routine water pump maintenance is essential for reliable engine cooling and long-term performance. Replacing worn water pump components at the recommended service interval helps reduce the risk of overheating and costly engine damage.

Quicksilver is Mercury Marine's official parts and accessories brand, offering the same OEM quality and fit as Mercury-branded components.

To Confirm Compatibility: Contact our team with your engine serial number at (727) 596-5929 before ordering.