Water Pump Impeller Service Kit – Fits Mercury Marine & Tohatsu/Nissan 25-40 HP (Replaces 47-16154-1, 3R0-65021-0, 345-65021-0) 25-50HP it is good practice to

it is good practice to inspect your thermostat annually and consider replacement every 2-3 years

G-connector outlet Working Pressure 40 PSI (normal operating pressure) Burst Pressure 80 PSI (tested leak-down pressure) Flow Rate 21

Please cross-reference your engine model and year to ensure a match

so it's best to replace it if you notice any structural issues

and higher than normal fuel consumption

Water Pump Impeller Service Kit – Fits Mercury Marine & Tohatsu/Nissan 25-40 HP (Replaces 47-16154-1, 3R0-65021-0, 345-65021-0) 25-50HP it is good practice toProduct Details This Water Pump Impeller Service Kit is engineered for Mercury Marine 25 30 HP 4 Stroke Sea Pro Lightning models (2005 and newer) and a wide range of Tohatsu Nissan 25 40 HP 2 Stroke and 25 30 HP 4 Stroke outboard engines from 19962005. It provides a reliable solution for maintaining your engine's cooling system. This kit serves as a direct replacement for Mercury part 47 16154 1, Tohatsu Nissan parts 345 65021 0 and 3R0 65021 0, and