Product Overview
Impellers are the heart of an engines cooling system and require regular inspection and replacement under normal operating conditions. Running through silty or sandy water or running a pump dry can ruin an impeller quickly and cause the engine to overheat. It is important to monitor cooling water outflow and replace the impeller at the first signs of reduced outflow.Sierra replacement impellers are engineered to meet or exceed Johnson/Evinrude specifications to give boaters and technicians the confidence of an OEM fit and function. These neoprene impellers are compatible with many Johnson/Evinrude 115hp175hp outboards. Because unexpected failures can happen, it is important to have a spare onboard to save the day. Features. Water pump impeller for mercruiserCompatibility. Replaces Mercury Marine 4789984Specifications. Color Black. Dimension 6 H x 7.13 W x 1.38 L. Weight 0.2 lbs
