Number of Blades: 6, Brass Insert, Net Weight: 33g Height: 17.82mm(45/64") External Impeller Overall Diameter: 38.27mm(1 1/2") Internal Shaft Insert Diameter: 11.23mm(7/16") Can't just rely on horsepower to judge, please check the dimension with your old one carefully, if you still can't confirm that, please consult us.

Outboard Engine Parts Water Pump Impeller 387361 763735 18-3090 for Johnson Evinrude OMC BRP 2HP 4HP 6HP Boat Motor

1. Descriptions:

This Impeller replace Johnson/Evinrude/OMC outboard motors 387361 / 763735 , fit Sierra 18-3090.

2. Dimensions:

Number of Blades: 6

Height: 17.82mm

External Impeller Overall Diameter: 38.27mm

Internal Shaft Insert Diameter: 11.23mm

Net Weight: 33g

Brass Insert

3. Applications(fits Johnson/Evinrude Outboard models):

2hp (1985-1990),

4hp (1976-1980) - (90 degree gearcase)

6hp (1979)