2011 GMC Sierra 1500 Radiators

Genuine GM radiators for the 2011 GMC Sierra 1500, at wholesale prices. Radiator part numbers split on engine, transmission cooler and tow package, and the fittings differ between them. GMT900 through 2013, K2XX from 2014 to 2018, and the T1XX from 2019 with the CarbonPro bed option.

When to replace

Overheating in traffic, or coolant pooling at the front of the vehicle. On a light duty pickup, trim, tow package and drivetrain each move part numbers within one model year.

Why order factory

• We catch the wrong part before you do. VIN verification is free on every radiators order.
• Fast out the door. In stock radiators ship within hours, not days, from Dallas.
• No hassle returns. If the radiators is not right, send it back.
• Warranty intact. OEM radiators keep coverage that an aftermarket part can void.
• Wholesale pricing. Most radiators numbers land well below dealer list.

Avoiding the wrong part

Materials and coatings are specified, not approximated, which is why factory parts last through more heat cycles. Check the VIN before ordering anything that has to bolt to something else. Shipping is calculated on real weight and distance, which usually beats a padded flat rate.