Engine Oil Cooler AR55394 Fits John Deere 4050 7700 7700 4230 4230 7720 7720One New Aftermarket Replacement 8 Plate Oil Cooler Fits John Deere Tractor Models: 4040 (s n 335845 later), 4050 (s n 335845 later), 4055, 4230 (s n 335845 later), 4240 (s n 335845 earlier), 4250 (Engine s n 036869 earlier), 4255, 4320 (s n 335845 later), 4350, 4430 (s n 335845 later), 4450 (Engine s n 336699 later), 4455, 4520 (s n 335845 earlier), 4555, 4560, 4620 (s n 335845 earlier), 4630 (s n 335845 later), 4650 (Engine s n 336699 later), 4755,