Part Number: 0P13017-1 (Poteniometer) Part Number: 0P13031 (Valve body) Part Number: 0P13035 (Pin straight) Part Number: 0P13055 (Stem demand valve) Part Number: 0P131S-5 (Cover,term.block) Part Number: 0P131W (No description) Part Number: 0P132 (No description) Part Number: 0P133 (Component) Part Number: 0P13340 (Diaphram) Part Number: 0P134 (Bearing,roller,tape) Part Number: 0P13419 (Spring) Part Number: 0P13420 (Valve) Part Number: 0P134S3 (Cover) Part Number: 0P13605 (Dampener pressure)