Jabsco Genuine Impeller.

# of Blades/Fins : 6

Diameter/Width: 1-1/4"
NOTE: These are the dimensions of a brand new impeller. Worn impellers are usually smaller due to material wear / loss.

Depth/Thickness : 15/32"

Shaft Diameter: 5/16"

Shaft/Drive Type: Single Flat Drive

Insert/Hub Material: Brass

Impeller Material: Nitrile

NITRILE impellers offer compatibility with oil products. It handles a wide range of oils, oil and water emulsions, diesel fuel, lower fraction hydrocarbons, kerosene, lubricating and machine cutting oil. Temperature range: 50°F to 180°F. Lower temperatures affect priming ability and performance characteristics. Generally, Nitrile performance is 10% below that of Neoprene.