Water Pump Impeller for Mercury Mariner Quicksilver 4/4.5/7.5/9.8HP Outboard Boat Motors Engine.

Replaces:
47-89981 / 47-65957/47-39074
Sierra: 18-3039
CEF: 500314
GLM: 12270
Impeller Size:
Number of Blades: 6
Height: 14.40 mm
Overall Diameter: 32.00 mm
Shaft Diameter: 11.60 mm
Net Weight: 11 g
Material: Neoprene with Brass Hub

Application:
2-stroke Mercury and Mariner outboard models) :
39 1-Cylinder (Serial number 2278851 and up)
4 HP 1-Cylinder USA - Impeller marked 47-89981 / Inside diameter 0.456 inch
4.5 HP 1-Cylinder - Impeller marked 47-89981 / Inside diameter 0.456 inch
40 (4 HP) 1-Cylinder (Serial number 2278851 and up)
45, 4.5 1-Cylinder
60 (6HP) (Serial number 1916139 thru 2529894)
7.5 HP - Impeller marked 47-89981 / Inside diameter 0.456 inch
75 (7.5HP)
9.8 HP - Impeller marked 47-89981 / Inside diameter 0.456 inch
110 (10hp) (Serial number 1865779 and up)

NOTE:
Mercury Outboard Enagine Parts Used 2 Different Diameter Drive Shafts.

This Impeller has an Internal Diameter of .456" the distance across the hole in the center of the impeller.

If your impeller has an inside diameter of .438", this is NOT the correct impeller for you. This impeller will not fit 5hp Mercury Mariner engines.