This is a DC-4 Two way shuttle type double check valve. Used in air brake systems designed to direct the flow of air into a common line from either of two sources, whichever has the higher pressure and fast engagement and release times. Please verify fit with the OEM Part number interchanges list below.
This part interchanges with the following part numbers: S-A269, 283321, 278614G, 278614N, 283321, 278614N, 278614G, 278614, BW278614N, 278614, E-BN278614N, FC278614, BW278614, MBW278614, KN25061, KN25060, 20QE22222R, 20QE22222R, 745-278614N, R955278614, R955278614N, TDAR955278614N, SMR278614N, ZAC278614, BEN278614, BAN278614, 278614BXW, 278614BXW, 401171, 401171