International Radiator - Northern Radiator 238788, Spectra Premium 2001-3545, Active Radiator Supply Company 640081, Reach Cooling 42-10554

When your International 8500 TranStar, 8600 TranStar, or ProStar needs a new radiator, the Reach Cooling 42-10554 is the aftermarket direct replacement built to restore proper cooling performance. This unit cross-references Northern Radiator 238788, Active Radiator Supply Company 640081, Spectra Premium 20013545, 1-800-Radiator 2401215, Serck FLA002352, and NAPA NR4210554, covering a wide range of 2008-2013 International ProStar and 2008-2011 International 8500 TranStar and 8600 TranStar applications across multiple engine displacements from 9.3L up to 15.2L. The aluminum core uses B-type tubes with central reinforcement for greater pressure tolerance and dramatically reduced risk of tube failure. Deep extrusion headers create a stronger tube-to-header joint that resists vibration and thermal expansion, while thermal expansion cuts in the core allow for natural expansion and contraction during heat cycles to extend service life. Folded fin edges add structural stability and improve heat disbursement. A 12-inch grill-side transmission oil cooler is integrated into the unit. The downflow design features a top-left inlet and bottom-right outlet, each measuring 2.5 inches in diameter, with a two-row aluminum core measuring approximately 35.4 inches tall by 38.5 inches wide. This is the correct-fit, drop-in replacement your International needs.