Mercury 16159A03 Water pump impeller kit that fits the 4, 5 and 6 hp, 4-stroke engine.
MERCURY 16159A2 Water pump impeller kit. 3.3 with shift 2-stroke (forward/neutral that fits the Mercury 3.3 with shift model), 2-stroke engine.
MERCURY 889246A16 Water pump impeller kit.2 hp & 3.5 hp 4-stroke engine.
Mercury 47-952892 Water pump impeller that fits the Mercury 2.2, 2.5, 3 and 3.3 hp, 2-stroke engine.
MERCURY 16156A01 Water Pump Housing 2.5 and 3.5 hp 4-Stroke Model Mercury Water pump housing.2 hp & 3.5 hp 4-stroke engine.