Collection: Mercury Outboard Replacement Lower Units

We stock a wide selection of Mercury Marine outboard lower units for 30–300 HP applications, available in 20-, 25-, and 30-inch shafts for both right-hand and counter-rotation models.

Mercury 3 & 4 Cylinder
Mercury 2.0L, 2.4L, & 2.5L
Mercury 3.0L
Mercury 3.0L Counter Rotation
Mercury 3.0L V6, 2.6L I6, and 1.7L I4
Mercury 3.0L V6, 2.6L I6, and 1.7L I4 Counter Rotation