Sierra Mercury/Mariner Outboard Water Pump Kit With Housing - S18-3426 - Replaces 42431M

Sierra water pump kit with housing for Mercury and Mariner outboards. Complete assembly for cooling system rebuilds including impeller, housing and associated gaskets and seals. Replaces Mercury Marine 42431M.

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

Product code: S18-3426

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