Johnson Pump F4 Ballast Impeller Kit 2.00"The Johnson Pump F4 Ballast Impeller is made of polyurethane and is specifically designed for ski/wakeboard boats' ballast pumps. This impeller is suitable for Johnson 10-24690 series ballast pumps.Features: Includes 7gms impeller lubricant; Significantly longer service life; Run dry capable; Specifications: Material: Polyurethane; Outer diameter: 2.00"; Inner diameter: Flat; Width: 0.87"; Application: Johnson Pump; 10-24690-03EZ Ballast Pump; 10-24690-04EZ Ballast Pump; 10-24690-09 Ballast Pump; 10-24690-10 Ballast Pump; 10-24690-11 Ballast Pump; 10-24690-12 Ballast Pump; Jabsco; 18220-1127; Interchangeable with: Johnson Pump; 09-824P-1EZ; Jabsco; 0303-007-P (Green);