Sierra Mercury Outboard Water Pump Kit - S18-3323 - Replaces 46-73640A2

Sierra water pump repair kit for Mercury 50hp (model 500) and 70hp 3-cylinder outboards built between 1976 and 1979. Kit includes impeller, o-rings, housing, gaskets, plates and hardware. Replaces Mercury Marine 46-73640A2.

Important: Specifications vary by product code. Confirm the required size or configuration before ordering.

Product code: S18-3323

Please compare the product code and specifications with the required application before ordering.