This engine coolant heater kit is specifically designed to fits for John Deere tractor models, including: 2350, 2550, 2555 (668119-), 2355 (668119-), 2750, 2755 (668119-), 2855N (668119-), 2950, 2955, 3055, 3150, 3155 (625791-), 3255, 4055, 4255, 4455, 4555, 4560, 4755, 4760, 4955, 4960, 5075M, 5085E, 5085M, 5090E, 5090EL, 5090M, 5090R, 5100E, 5100M, 5100MH, 5100ML, 5100R, 5115ML, 5115M, 5115R, 5125ML, 5125R, 5200, 5300, 5310, 5310N, 5320N, 540, 5400, 5420N, 5500, 5500N, 5510, 5510N, 5520N, 5603, 6100D, 6105D, 6105E, 6110D, 6115D, 6115M, 6115R, 6120E, 6125D, 6125R, 6130D, 6130E, 6130M, 6135E, 6140D, 6140M, 6145M, 6150M, 6155M, 6155R, 6175M, 6175R, 6195M, 6195R, 6210R, 6215R, 6230, 6300, 6320, 6403, 6603, 7200, 7210, 7220, 7230, 7320, 7400, 7410, 7420, 7430, 7510, 7520, 7600, 7610 (-089999), 7700, 7710 (-089999), 7710, 7720, 7800, 7810 (-089999), 7820, 7920, 8100T, 8110T, 8120, 8120T, 8130, 8200T, 8210, 8220, 8220T, 8225R (120000-), 8230, 8235R, 8245R, 8260R (016001-090000), 8270R, 8285R (016001-090000), 8295R, 8295RT, 8300, 8300T, 8310, 8310R, 8310RT, 8320, 8320R, 8320RT, 8330, 8335R (016001-090000), 8345R (920001-), 8345RT (920001-), 8360R (016001-090000), 8360RT, 8370R, 8370RT (920001-), 8400, 8400R (115000-), 8400T, 8410, 8410T, 8420, 8420T, 8430, 8430T, 8440, 8450, 8530, 8560, 8570, 8630, 8640, 8650, 8760, 8770, 8850, 8870, 8960, 8970, 9100, 9120, 9200, 9220, 9300, 9320, 9400, 9420, 9520, 9620.