Water Pump Impeller Kit – Fits Mercury/Mariner 25-50 HP 4-Stroke (Replaces 821354A2) 165-320HP 0 2-Stroke 1985–1988 6A1-W0078-01-00 Cross-reference

0 2-Stroke 1985–1988 6A1-W0078-01-00 Cross-reference only Yamaha 2MSHT 2

How often should I replace the fuel pump

You can also verify the part number (e

and V8 engines

For Yamaha Outboards: This kit fits various 2-cylinder

Water Pump Impeller Kit – Fits Mercury/Mariner 25-50 HP 4-Stroke (Replaces 821354A2) 165-320HP 0 2-Stroke 1985–1988 6A1-W0078-01-00 Cross-referenceProduct Details This Water Pump Impeller Kit Fits Mercury Mariner 25 50 HP 4 Stroke Outboards (Replaces 821354A2) provides the essential components to restore your engine's cooling system. It is designed for Mercury Mariner 25 50 HP 4 Stroke outboard engines from 1998 and newer, and also fits select Force 40 50 HP models from 19951997. This kit is a direct interchange for Mercury part numbers 821354A1, 821354A2, and 821354A04, as well as Sierra 18