Dealer Part Number: 84207656, 84062175, 84062174, 23126402, 23445967, 23445967, 23445971, 23378657, 23126402<br><br>Trailer package reference ONLY refers to Silverado Pickups that this radiator fits. <br><br>Main Radiator<br><br>Construction: Plastic Tank Aluminum<br>Core Depth (in): 1<br>Core Height (in): 17-1/4<br>Core Width (in): 34<br>Engine Oil Cooler (in): 11-1/2<br>Inlet Connection (in): 1-3/8<br>Outlet Connection (in): 1-9/16<br>Rows: 1<br>Trans Oil Cooler (in): 11-1/2<br><br>note: Gm reports repeat failures on the 2014-2018 models due to defective thermostat housing. See GM bulletin and replace at time of radiator replacement. Failure to address this defect voids radiator warranty.<br><br><a href="https://www.radiatorexpress.com/PDF/P11513F.pdf">SEE GM BULLETIN</a><br><br><br>This condition may be the result of excessive thermocycles within the cooling system caused by excessive cycling of<br>the thermostat. These excessive thermocycles within the coolant system may cause the tubes to fatigue, crack and<br>leak at the radiator headers. To correct this condition, a new thermostat has been designed that eliminates the<br>thermostats excessive cycling.<br>If this condition is found, in addition to replacing the radiator, the engine coolant thermostat housing (w/thermostat)<br>must also be replaced. Refer to Engine Coolant Thermostat Housing Replacement in SI, which is located in the<br>Engine Heating and Cooling section.