Brand New Himore Pressure Washer Pump Fits:  Brute  020301-0  020338-0 Comes with thermal release valve Specs:  2500-2800 PSI / 2.3 GPM Fits 7/8" Shaft Vertical Crank Engines 22 MM x 14 MM Hose Connection In some instances, the pump may need to be removed to change engine oil.  Some specific pressure washers may require longer bolts and spacers to mount the pump to your engine.  These bolts and spacers are not included, but may be purchased at your local hardware store.   Common bolt sizes: Two - 5/16" 18 x 2 1/2" , One - 5/16" 18 x 3 1/2" (It is the customers responsibility to make sure this is the correct part for your unit)