Water Pump Repair Kit – Fits Mercury/Mariner 2-Cycle 30-70 HP Outboards (Replaces Mercury/Mariner 77177A3) 115-225HP Common signs of a failing

Common signs of a failing O2 sensor include a noticeable decrease in fuel economy

1 x Water Pump Impeller (777214/396809)

it is crucial to verify the required OEM part number for your specific D4-300 engine variant

along with Mercury numbers 880890T1 and 880980A02

What are the signs that my fuel line needs replacing

Water Pump Repair Kit – Fits Mercury/Mariner 2-Cycle 30-70 HP Outboards (Replaces Mercury/Mariner 77177A3) 115-225HP Common signs of a failingProduct Details This Water Pump Repair Kit Fits Mercury Mariner 2 Cycle 30 70 HP Outboards (Replaces 77177A3) is a complete assembly designed to restore the cooling system on Mercury and Mariner 2 cycle outboards from 30 HP to 70 HP, generally covering models from 1977 to 1997. It ensures your engine maintains optimal temperature, preventing overheating and potential damage. This kit provides a direct interchange for OEM part numbers Mercury Mariner