Fits: A (SN 497590-697756), AR & AO (SN 260000-280849), B (SN 94494-305246), D (SN 148872-191777), H (SN 20650 and up), G (SN 13000-59701). Two male ports are 1/2"x24 pitch and one female port 1/2"x18 pitch.Fits John Deere models A, AO, AR, B, D, G, HReplaces AB2805R
