Koyo leads the radiator industry in quality, performance and fitment. Koyo engineers carefully design the radiators offering a true plug and play installation No drilling, cutting, relocating, or stretching to get their radiators to fit properly.These OEM Koyo replacement radiators feature plastic end tanks with a aluminum core, allowing for a cost effective option compared to the OEM units. Fits 05-07 Ford F-250 6.0L V8 AT 05-07 Ford F-250 6.8L V10 AT 05-07 Ford F-250 F350 5.4L V8 AT 05-06 Ford F-250 F350 6.0L V8 AT 05-07 Ford F-250 F350 6.8L V10 AT 05-07 Ford F-350 6.0L V8 AT 05-07 Ford F-350 6.8L V10 AT 05-07 Ford F-450 6.0L V8 AT 05-07 Ford F-450 6.8L V10 AT 05-07 Ford F-550 6.0L V8 AT 05-07 Ford F-550 6.8L V10 AT