Jabsco 7273-0003-P Nitrile Impeller - Drive Type 4, 6 Blade, 2" Diameter For Marine Engine Cooling Pumps

Don't get stuck with a failed impeller on the water! This Jabsco nitrile impeller is a must-have spare for your marine engine's cooling system. It's a Drive Type 4 with 6 blades, measuring 2 inches in diameter, 7/8 inches in width, and designed for a 5/16 inch shaft with a plastic insert. Made from durable nitrile rubber, it's built to handle the demands of marine environments. Replacing your impeller annually (or sooner based on usage) is crucial to prevent overheating and engine damage. Installation is straightforward: remove the end cover screws and use a proper impeller removal tool or channel lock pliers—avoid screwdrivers to prevent damage. Always grease a new impeller before installing to ease insertion and protect it during the initial prime. Keep this spare on board for peace of mind; it's a small part that plays a huge role in keeping your engine running cool and reliable.