Part Number: 137773N1 (Support) Part Number: 137774 (Fittings) Part Number: 1377740 (Potentiometer assy) Part Number: 137774-2 (Diaph) Part Number: 1377745 (No description) Part Number: 13777461 (Ne) Part Number: 1377747 (No description) Part Number: 13777471 (Ne) Part Number: 1377748 (No description) Part Number: 137774R (Bracket) Part Number: 137775 (Piston) Part Number: 13777501 (Ne) Part Number: 13777504 (Component) Part Number: 137775-1 (Buffer assy)