One New Aftermarket Replacement Front Exhaust Manifold Fits John Deere Tractor Models: 4055, 4255, 4455, 4555 (BSN 165526), 4755 (BSN 165526), 4955 (BSN 165526), 6610, 6650, 7200, 8560, 8570, 9100, 9120 Cotton Pickers: 9960, 9965, 9970, 9976, 9986, 9996 Replaces Part Number(s): R86029 Models This part fits: 4055, 4255, 4455, 4555, 4755, 4955, 540E, 548E, 560D, 640E, 644E, 644EZ, 644G, 648E, 6610, 6650, 7200, 740E, 748E, 748GII, 748GIII, 770B, 772B, 8560, 8570, 9100, 9960, 9965, 9970, 9976, 9986, 9996 Reference numbers: ENJ80-0031, R86029, R86029-A