Might need longer bolts to install on engine. the popular size is 5/16 x 3 1/2 and (2) 5/16 x 2 1/2. They usually mount up fine it just switches the hose hook up point. Must Have 7/8 VERTICAL Crankshaft & 3 Mounting Holes.
2800 PSI Pressure Washer Pump Vertical 7/8 Crank Craftsman 580.754910 Free Key
2800 PSI Pressure Washer Pump Vertical Shaft NEW Ryobi RY802900 FREE Key
NEW Black Max BM80913 A 2800 PSI Pressure Washer Pump Vertical Shaft FREE Key
NEW Black Max BM80919 2800 PSI Pressure Washer Pump Vertical Shaft FREE Key
2800 PSI Pressure Washer Pump Vertical Shaft NEW Ryobi RY80940 FREE Key
2600-2800 Psi Pressure Washer Pump For Craftsman cmxgwas020733 580.752921