This is this block off  plug that goes in the Power-Trol housing when not using the ports to run a remote cylinder. These are original equipment from a John Deere 60, but are also used on the following models, A, AH, AN, ANH, AO, AR, AW, AWH, B, BN, BNH, BW, BWH, BWH40, G, GH, GM, GN, GW (Late -- FOR SWING LEVER STYLE COUPLER) ], MC (Sn: 36948 & Up), 1010 (To Sn: 42000), 320, 330, 40, 420, 430, 435, 440, 50, 60, 70 when equipped with the Power-Trol hydraulic system. These are used originals, not reproductions.