3100 PSI Power Pressure Washer Water Pump Upgraded Troy-Bilt 020489 020489-0 -1 1x Himore Pressure Washer Pump Fits: MANY MAKES AND MODELS. Comes with thermal release valve Specs:2800-3100 PSI / 2.3 - 2.5 GPM. Fits 7/8" Shaft Vertical Crank Engines. 22 MM x 14 MM Hose Connection Approximately 400 PSI more than the standard pump. Please Compare The Picture With Yours Before Purchasing.