Mercury - Water Pump Housing Cooling System Component Reinforced Nylon 92970A1. Overview. There's a certain comfort that comes from running an older Mercury outboard-the kind built in the late '70s and early '80s, when these small engines became the backbone of fishing trips, weekend cruising, and shoreline exploring. But keeping those classics cool takes diligence, and that's where a dependable water pump housing truly earns its keep. The Quicksilver 92970A1 Water Pump Housing gives you that se