Sierra 118-3207 Water Pump Impeller Repair Kit for Mercury Outboard Motors

The Sierra 118-3207 is a comprehensive water pump impeller repair kit designed for Mercury and Mariner outboard motors ranging from 30 to 70 horsepower. This complete service kit provides all the essential components needed to restore your outboard's cooling system to optimal performance, helping prevent engine overheating and ensuring reliable operation on the water.

Complete Kit Includes:

• Sierra 18-3007 Impeller
• Sierra 18-3107 Impeller Plate (Wear Plate)
• Sierra 18-2823 Lower Water Pump Base to Face Plate Gasket
• Sierra 18-2824 Upper Face Plate to Pump Body Gasket
• Sierra 18-2825 Water Pump Base Gasket
• Sierra 18-2841 Water Pump Base Gasket
• (2) Sierra 18-2945 Drain Screw Gaskets
• Sierra 18-2948 Rubber Washer
• Sierra 18-7155 O-Ring
• Sierra 18-7174 O-Ring
• Sierra 18-7115 O-Ring

OEM Cross Reference: Replaces Mercury Marine 47-89983Q1, 47-89983T1, 47-89983T2, Mallory 9-48300, and GLM 12250. Sierra products are engineered to meet or exceed original equipment manufacturer specifications and are built to withstand harsh marine environments. Regular water pump service is recommended annually to prevent impeller failure and maintain proper cooling system function.