This replacement water pump impeller is designed for select small Mercury 4-stroke outboards to ensure a steady flow of cooling water to your engine. Produced to meet Mercury Marine original equipment manufacturer specifications, it provides higher flow rates to protect your engine from the harmful effects of heat.
- Fits Mercury 4-6hp 4-stroke outboards (serial No. 0R411838 and above)
- Replaces previous part number 161543
- Designed for durability and higher cooling flow rates
- Provides essential cooling flow to maintain engine health
