Water Pump Repair Kit For Mercury Outboards Water Pump Repair Kit Mercury | QuickSilver 8M0100526 Fits 75‐115 4-stroke outboards, 150 EFI 4-stroke outboards and 70‐90 hp 2‐cycle outboards (serial number 0A996142 and above). It fits 100‐125 Hp. 2‐cycle (4 cylinder) models having pump cover screws without insulators. Designed for durability to provide higher flow rates and cooling flow to protect your engine Impeller elastomers provide improved flexibility across broad temperature ranges throughout the boating season Kit contains gaskets, o-rings, plates, seals, impeller and key for installation with common tools