New 2700 PSI Pressure Washer Water Pump Sears Craftsman 580.752501 580.752521 FITS MANY BRANDS SUCH AS KARCHER, GENERAC, BLACKMAX, CRAFTSMAN, BRIGGS, HONDA, POWERSTROKE, and OTHERS! 2400-2700 PSI, Flow Rating of 2.4 GPM, with 7/8" and 3 mounting holes. INCLUDES THERMAL RELEASE VALVE SPECS:FITS 7/8"Inch (22.225mm)SHAFT VERTICAL CRANK ENGINES MOUNTING BOLTS: FROM MAIN CENTER SHAFT TO EACH MOUNT BOLT IS 4" - CENTER TO CENTER SPACING BETWEEN MOUNTING BOLTS IS: 7 11/16"  6 3/16" - 6 7/16" Please Compare The Picture With Yours Before Purchasing.