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Mercury & Mariner Lower Units

We stock remanufactured and new gearcases for Mercury and Mariner 60 to 275 horsepower, 1979 to 2011. All of our Mercury lower units include a full one year warranty. Aside from our inventory listed here we also supply Mercury lower units directly from Mercury Marine, either new or remanufactured.

Latest Repair Stories

Mercury EFI 25HP

Repair Dificulty
Easy
Repair TIme
Less than 30 mins

Repair: Replaced Key

I lost a king ring that had my boat key on it. Googled checked for replacement and found Crowley Marine online. Fast shipping and good packing as well

Repair Dificulty
Easy
Repair TIme
Less than 30 mins

Evinrude 60hp

Repair Dificulty
Easy
Repair TIme
Less than 30 mins

Repair: Water by pass low output

Replaced badly corroded thermostat - easy fix by removing 2 10mm bolts, cleaning thermostat housing area, the installing new gasket and thermostat.