Core Size : 34.06" H x 20" W x 1.73" T; Overall Size: 45.28" H x 20.67" W x 4.53" T ; Inlet/Outlet: 1 7/8" & 1 7/8" Transmisson Oil Cooler:YES ; Enginer Oil Cooler : NO ; OEM Style Brass Petcock Drain Easy To Install: Light weight direct bolt-on replacement, stronger & higher capacity for coolant All-aluminum design with durable TIG-welded construction (T-5057 aircraft aluminum) 12 Months warranty ; If you have any questions, please feel free to contact us, we will solve it for you Fitment: For Chevy Silverado 2500 HD 6.6L V8 DIESEL Base/LS/LT/WT 2001-2005 For Chevy Silverado 3500 6.6L V8 DIESEL Base/LS/LT 2001-2005 For Chevy Silverado 3500 6.6L V8 DIESEL WT 2004 For GMC Sierra 2500 HD 6.6L V8 DIESEL Base 2002-2005 For GMC Sierra 2500 HD 6.6L V8 DIESEL SL 2001-2002 For GMC Sierra 2500 HD 6.6L V8 DIESEL SLE 2001-2005 For GMC Sierra 2500 HD 6.6L V8 DIESEL SLT 2001-2005 For GMC Sierra 2500 HD 6.6L V8 DIESEL WT 2003-2005 For GMC Sierra 3500 6.6L V8 DIESEL Base 2002-2005 For GMC Sierra 3500 6.6L V8 DIESEL SL 2001-2002 For GMC Sierra 3500 6.6L V8 DIESEL SLE 2001-2005 For GMC Sierra 3500 6.6L V8 DIESEL SLT 2001-2005 For GMC Sierra 3500 6.6L V8 DIESEL WT 2004-2005 Radiator Details: Material: Full Aluminum,T-5057 Aircraft Grade Aluminum 3-Row of tubes Core Racing Design Fitment Type:Direct Replacement Crafts:100% Tig welded Features: 100% Leak Tested, Crossflow Radiator, Durability Tested, No Drilling or Modifications Needed for Installation Mounting Style: Bolt-On Placement on Vehicle: Engine Compartment Part Number: 8012757,2510,2757,432350,2986,CU2510,438084, 2510,,cu2510,dpi2510,2757,CU2757, 8012498, 16014332, 8012512, SPTCU2510 Description: PERFORMANCE : up to 30%-45% cooling HIGH COOLANT CAPACITY ：much higher capacity for coolant than stock ones OE STANDARDS : exceptional OE standards for precise fit ,Direct Replacement HIGH QUALITY, STRICT INSPECTION ：All our products are 100% fully tested to ensure top quality Full set in box and 100% brand new About Us: If you have any questions, please feel free to contact us, we will solve it for you