Part Number: 1112-539196 (Valve) Part Number: 111254 (Housing) Part Number: 11-12540 (David clark pro xa enc airbus he) Part Number: 111-25400 (Call for availability and pricin) Part Number: 111254-001 (Buffer - gasket) Part Number: 111254099 (O-ring) Part Number: 1112-545062 (Relief valve) Part Number: 11125457 (Component) Part Number: 11125458 (Component) Part Number: 11-12546 (60262 tbp 3600 51 elcon g0 no go) Part Number: 1112-548012 (Valve) Part Number: 1112-548584 (Valve) Part Number: 1112-548591 (Check valve,hyd #4) Part Number: 1112-548592 (Check valve)