This sale is for a used water pump base for Mercury and Mariner outboard motors.

This water pump base assembly is Mercury part numbers: 46-42040A 3, 46-42040A3, 46-42040A5, 46-42040 A5, 46-42040T 5, 46-42040A1.

The water pump base fits many Mercury and Mariner outboards with 6, 8, 9.9, 10, 13.5 and 15 HP from the 1980s.

The cast number on the base is 46-4204-4.

Please look up your part number or ask us. You are responsible for checking to see if this fits your application.

Thank you for shopping at GreenBayProp!!