Johnson Pump F95 Impeller Neoprene. 74" Inner Diameter:Splines Width:5.12" A worn or damaged impeller can cause system failure or engine breakdown. SPX's Johnson Pump brand impellers are developed and manufactured for maximum flow and long life. With a genuine spare impeller you can also be sure that you are getting the quality required by engine manufacturers and professionals. Specifications for Johnson Pump 09-820B F95 Impeller Neoprene: Manufacturer: Johnson Pump Color: Black Features of Johnson Pump 09-820B F95 Impeller Neoprene Material: Neoprene Outer Dia.: 3.74" (95mm) Width: 5.12" (130mm) Refer to manufacturer guidelines for proper fit/installation information Package Contents: Johnson Pump 09-820B F95 Impeller Neoprene Johnson Pump 09-820B: F95 Impeller Neoprene 09-820B