Why Your Marine Lower Unit Needs Regular Service

Though your marine motor gets all the attention, your boat isn’t going anywhere without the lower unit. Its combination of gears, bearings and other components turn horsepower into movement. Lower units are resilient and can last for years – provided you service them annually. Here, we reveal the inner workings of a marine lower unit and show the common suffering points.

And call us for our new quart version of the gear lube in the EZ Packs (for 2022). Meets all 80W-90, SAE 80 and 75W-90 use.  AMSOIL Marine Lower Unit Gear Lube covers them all.