Water Pump Impeller Kit – Fits Mercury/Mariner 3.9-9.8 HP (Replaces Mercury 47-89980T1) 25hp which is required for trim

which is required for trim systems to reverse the motor's polarity and allow both up and down movement

How do I know this kit fits if my Mercury engine year isn't listed

A thermostat stuck open will cause the engine to run too cool

2/502 385+ 4-Stroke 1992+ 3852472 GM-based engines OMC 7

Reconnect the throttle linkage and fuel line

Water Pump Impeller Kit – Fits Mercury/Mariner 3.9-9.8 HP (Replaces Mercury 47-89980T1) 25hp which is required for trimProduct Details This Water Pump Impeller Kit Fits Mercury Mariner 3. 9 9. 8 HP (Replaces 47 89980T1) is designed for Mercury and Mariner 2 stroke outboard engines from 3. 9 HP to 9. 8 HP, manufactured between 1979 and 1986. It is specifically for models requiring an impeller with a 0. 438" inner diameter. This kit serves as a direct replacement for multiple OEM and aftermarket part numbers, including Mercury 47 89980T1, Sierra 18 3006, GLM 700 12271,