ORIGINAL EMAK PISTON CH24090127 PW 120 C Pressure Washer Motor PW 121 C Pressure Washer Motor PW 135 C Pressure Washer Motor PW 136 C Pressure Washer Motor PW 145 C Pressure Washer Motor Pump PW 175 C Pressure Washer Motor PW 250 HC Pressure Washer Motor Pump