47-43026T2 Water Pump Impeller & Key for Mercury MerCruiser | JLM Marine family-yamaha-8mlht Torque Bolts: Tighten the housing

Torque Bolts: Tighten the housing bolts to the manufacturer's recommended torque specifications

carefully loosen and remove the water jacket and cylinder head bolts

Listen for a firm click from the solenoid when the ignition key is turned

The most crucial check is the impeller inner diameter (ID)

running too cool (below 143°F)

47-43026T2 Water Pump Impeller & Key for Mercury MerCruiser | JLM Marine family-yamaha-8mlht Torque Bolts: Tighten the housing47 43026T2 Water Pump Impeller & Key for Mercury MerCruiser This high quality aftermarket water pump impeller with key is designed for Mercury MerCruiser stern drive engines, including the Mercruiser Alpha One Gen 2, and a wide range of Mercury outboard models from 65 HP to 220 HP. Engineered to meet OEM specifications, this impeller ensures reliable cooling system performance across 4 cylinder and 6 cylinder applications. This impeller directly