The 8M0125852 Fuel Pump Cooler Kit is designed for Mercury MerCruiser inboard motors, specifically compatible with the 861156A03 model. This kit is manufactured by MerCruiser in the United States and comes with a 3-year warranty, ensuring durability and reliability for your boat's fuel pump cooling system. Perfect for maintaining optimal performance and longevity of your Mercury MerCruiser engine, this kit includes essential components for effective cooling and smooth operation during marine activities.