CoolingSky 3-Row All-Aluminum 40" Radiator for 1999-2012 Chevy GMC Sierra Yukon Silverado 1500 2500 3500 HD | Double Transmission Oil Cooler | Heavy-Duty Cooling for Towing & Off-Road Adventures

The full aluminum radiator is designed to provide maximum cooling efficiency to prevent premature engine failure. Its lightweight and high heat transferring aluminum features a tube and fin design,that dramatically increases surface area that enables the heat to dissipate more efficiently. This Aluminum Radiator is at least 30%-45% more efficient than stock ones. Why all aluminum radiator is the best purchasing option? The accepted reason is the engine will get revolutionary cooling result than plastic one,all aluminum tank makes highly efficient heat dissipation functionally and no leakages in decent working condition,that means will dramatically increases the engine's power performance and durability. THE VITAL INFO FIRST TO KNOW: Radiator flow: Cross flow Core Thickness: 2-1/5" Core size: 33-7/8" x 17-3/5" Overall size: 40-1/5" x 20" Inlet size: 1 2/5" Outlet size: 1 3/5" Build-in double trans oil cooler L side trans cooler size: M20*1.5 R side trans cooler size: 5/8-18UNF

Manufacturer direct-sale line system with unbeatable quality warranty for all radiators

Full aviation-aluminum craftsmanship, 100% welded by TIG

An exclusive tube design that dramatically increases cooling efficiently by up to 30-40%

The internal trans cooler & oil cooler to provide optimal fluid temperatures for auto trans

Engineered to last, perfect fit guarantee