Quicksilver 8M0100526 Water Pump Repair Kit - Mercury and Mariner Outboards and MerCruiser Stern Drives Complete 15-piece water pump repair kit Produced to meet Mercury Marine original equipment manufacturer specifications to best protect your older Mercury or Mariner outboard and MerCruiser stern drive 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