Johnson F6B-9 Flexible Self-Priming Impeller PumpJohnson Pump F6B-9 Self-Priming, Flexible Impeller Pump - Bronze - High SpeedTypical Applications: Engine CoolingDesign Features: Body: Bronze; Impeller:EPDM; Shaft: Stainless Steel - The shaft is mounted with two permanently lubricated ball bearings; Seal:Lip Seal; Cam: Full; Connection: 31,8mm / 1-1/4"; Used on Volvo and Marine Power Big Block GM 454 cu. in. engines and most Small Block engines with fresh water cooling systems.; Replaces older Johnson Pump 10-24805-01, 10-24232-1, 10-24915-01 and Barr 68-5001. s/s from part number 10-24930-01