Ford Radiator - Ford RC2391, Northern Radiator SCSI239493, 1-800-Radiator 2401020, Reach Cooling 42-10040

When your Ford medium or heavy truck needs a new radiator, the Reach Cooling 42-10040 delivers an aftermarket direct replacement built to meet or exceed OE cooling specifications. This radiator replaces Ford 1AH00051S - the primary OEM interchange - and also cross-references Northern Radiator 239493, 1-800-Radiator 2401020, Serck SRK7164, Keystone Auto Industries HDC010804, and Paccar Parts RAD42-10040TRP, so you can confirm the right fit no matter which catalog you work from. The aluminum core and plastic tanks are engineered with B-type tubes featuring central reinforcement for greater pressure tolerance, deep extrusion headers that resist vibration and thermal expansion at the tube-to-header joint, folded fin edges for improved heat disbursement, and thermal expansion cuts for extended core life through normal heat cycles. Fitment covers Ford B-600, B-700, F-600, F-700, F-800, FT900, L8000F, LA8000F, LN7000, LN8000, LNT8000F, LS8000F, and LT8000F trucks from the 1991-1994 model years across a broad range of engine displacements. If you are working from OEM number Ford 1AH00051S or sourcing a match to Northern Radiator 239493, this is the correct aftermarket replacement to keep your Ford truck on the road.