Depo 335-56014-010 Radiator (CHEVROLET SILVERADO/SIERRA/TAHOE 4.8/5.3L AT 28 1/4" CORE/SUBURBAN/TAHOE/YUKON XL 5.3L V8 CADILLAC ESCALADE EXT 5.3L V8 28 1/4"CORE) OE comparable design to ensure the structural fitment and strength Drop in fit Robust validation tests to guarantee the best quality on every single radiator Only sold by assembly Professional installation recommended