The Water Pump serves as the engine's heart, pushing crucial liquid into the engine to help it run efficiently and dependably; the flow rate is critical to maximizing this. A circulating water pump's primary role is to reduce water waste and boost comfort. The EMP's Water Circulation Pump provides satisfactory performance with its durability and longevity characteristics. Key Features: Best and ideal match for 6-cyl, 140-200 HP V6, 155-205 HP V8, 230-260 HP small block GM & MIE engines from 1963 to 2014 This product also replaces Mercury 8M0113734 8503991 850399 17437 850399002 878341 811841 60658 FI1101292 54793 52226 FI1101208 FI1100742 37951 35341 It comes with a mounting gasket for added comfort Easy to install, can be attached and detached unchallenged using the best available tools Specifications: BRAND: EMP SKU: 95-03599 UPC: 840080418254 WEIGHT: 10.73 LBS UNIT OF MEASURE: EA