Clearance sale on the 3 row all aluminum. This unit is only offered with a 30 day return / warranty. No normal warranty period. <br><br>Why - because the vehicles have a thermo-cycling issue that causes radiators to prematurely fail. Dealer does suggest changing the entire thermostat housing and thermostat with radiator to minimize issue, but does not guarantee radiators (whether OEM, or aftermarket do not prematurely fail)<br><br>Given this dealer defect in workmanship on the vehicles we are moving away from this part. Sale is at a discounted rate on final clearance. Buy, and try 30 days. <br><br>3 row all aluminum is 1 inch thicker all around than the stock HD plastic radiator. This is a severe duty upgrade for desert cooling quality. Thicker items may require minor modifications for fitment. While first timers may have no issue with install, we always suggest the service of a mechanic when installing upgrades. <br><br>Dealer Part Number: 84207656, 84062175, 84062174, 23126402, 23445967, 23445967, 23445971, 23378657, 23126402, 23378653<br><br>Trailer package reference ONLY refers to Silverado Pickups that this radiator fits.<br><br>Our item comes with both engine and transmission oil cooler hookups internal to radiator. If you do not require these connectors, ignore them and continue with install. Do not need to plug them to bypass as they are closed cooler systems. <br><br>The thread are as follows, 9/16-18UNF and 3/4-16UNF. item comes with adapters to change to quick connect lines. Diameter of the quick connector side of the adapter are 17 and 22 MM. no additional adapters are supplied with this item. <br><br>Consumer may need to re-use adapters from old unit. Be sure to keep original parts on hand for install.<br><br>Core Thickness (in): 1.75<br>Eoc Distance (in): 11.50<br>Eoc Outlet Type: Quick Connect<br>Eoc Outlet Diameter (in): 0.5<br>Eoc Inlet Type: Quick Connect<br>Eoc Inlet Diameter (mm): 12.7<br>Eoc Inlet Diameter (in): 0.5<br>Eoc Type: Plate Oil Cooler<br>Eoc (yes/no): Yes<br>Toc Distance (in): 11.50<br>Toc Outlet Type: Tube fitting<br>Toc Outlet Diameter (in): 0.5<br>Toc Inlet Type: Tube fitting<br>Toc Inlet Diameter (in): 0.5<br>Toc Type: Plate Oil Cooler<br>Toc (yes/no): Yes<br>Outlet Diameter (in): 1.57<br>Inlet Diameter (in): 1.34<br>Outlet Connection Type: Hose Clamp<br>Inlet Connection Type: Hose Clamp<br><br>No. Of Rows: 3<br>Fin Count (every 4"): 81<br>Tube Count (every 4"): 11<br>Find Wave Pitch: 2.5<br>Fin Wave Height (in): 0.31<br>Total Fin Row Count: 46<br>Tube Width X Height: 26x1.5<br>Total Tube Count: 45<br>Flow Configuration: Crossflow<br>Core Material: Aluminum<br>Core Length (in): 34.02<br>Core Height (in): 17.15<br>Bottom Header: 2.85x17.69<br>Top Header: 2.26x17.69<br>