Kenworth, Van Hool Radiator - Kenworth 5562133, Northern Radiator SCSI238606, Spectra Premium 2101-2503A, Reach Cooling 42-10325

When your Kenworth needs a radiator you can count on, the Reach Cooling 42-10325 delivers a proven aftermarket solution built to replace Kenworth 21012503 and cross-reference Northern Radiator 239312, Active Radiator Supply Company 6500-06BT, Spectra Premium 2101-2503A, 1-800-Radiator 2400344, and Serck FLX000337. Constructed with a copper core and brass tanks in a four-row downflow configuration, this radiator measures 40 inches tall by 28.48 inches wide with a 2.76-inch core thickness, a 2.5-inch top-left inlet, and a 3-inch bottom-right outlet. The B-type tubes feature central reinforcement for greater pressure tolerance, deep-extrusion headers resist vibration and thermal expansion at the tube-to-header joint, and thermal expansion cuts in the core allow for improved expansion and contraction during normal heat cycles, extending service life. Folded fin edges add stability and improve heat disbursement, while longer header tabs provide additional pressure resistance at the tank-to-header seal. Multi-fit attachments allow the radiator to cover multiple Kenworth configurations without sacrificing OE fit. This unit fits the Kenworth C500, T2000, T270, T300, T400, T600A, T800, and W900, as well as Van Hool, across model years from 1982 through 2013. If you are sourcing by Kenworth 21012503, this is the direct aftermarket replacement.