All of our products are made of the best materials and advanced manufacture technique Aluminum Radiator Compatible for 2001-2005 Chevy Silverado 2500 HD 3500 6.6L V8 DIESEL Overall Size: 39.37" x 20.86" / Core Size: 27.3" x 17.91" Ideal for stock, daily driven, and light-duty trucks Full Aircraft 5057 aluminum construction with durable, TIG-welded end tanks Transmission Oil Cooler: included, built-in, OEM Style Brass Petcock Drain This Aluminum Core 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. 12 Months Warranty! Full refund or resend for fitting or quality problem. Made to keep your vehicle's engine running cool and prevent overheating. Durable construction to withstand everyday wear and tear. When you're serious about cooling you need a radiator! Radiator Size: High Performance Racing Spec. 4-Row of tubes Core Racing Design Core Material: T-5057 Aircraft Grade Aluminum Core Size:19 3/8" High x 34" Wide Overall Size:20.86" High x 39.37" Wide Inlet: 1.81'' On Driver Side Outlet:1.81'' On Passenger Side Trans Oil Cooler:Yes OEM Style Brass Petcock Drain Please check the connector and the size with the original part & OEM number with the original part. This Radiator Compatible with: 2001-2005 Chevy Silverado 2500 HD Silverado 3500 2001-2005 GMC Sierra 2500 HD Sierra 3500 6.6l V8 For 8Cyl 6.6L 2001-2005 Chevy Silverado 2500 HD Radiator