Brand New Aftermarket Female Flat Face Coupler Part Number: 373-6968, 3736968 Compatible With 4BD4FH Manifold Block (48mm Thread Diameter) All standard 1/2″ Body ISO 16028 Couplers Caterpillar Skid Steer Loader(s): 226B3, 226D, 226D3, 232D, 232D3, 236D, 236D3, 239D, 239D3, 242B3, 242D, 242D3, 246D, 246D3, 249D, 249D3, 257B3, 257D, 257D3, 259B3, 259D, 259D3, 262D, 262D3, 272D, 272D2, 272D3, 277D, 279D, 279D3, 287D, 289D, 289D3, 297D, 297D2, 299D, 299D2, 299D3 Caterpillar Wheel-Type Loader(s): 906H2, 906K, 906M, 907H2, 907K, 907M, 908H2, 908K, 908M Parts can vary depending on the serial number of the machine. To check to see if this coupler will fit your machine, you will see a FFH or FH stamped onto the manifold block. The outside thread diameter of this coupler is 48mm (1-7/8″). This coupler will not fit the older manifold FFI or FI.