Shop 2008 GMC Sierra 3500 HD Seal. Baffle. Radiator. (Upper). 4.3 LITER, GMC. 4.8, 5.3, 6.0 & 6.2 LITER LITER, Make, Support - OEM GMC Part # 22737377 (25861239)

Radiator Support Baffle. Seal used on the Radiator. Air inlet. Panel. Plate. Side. Support.

Radiator Air SealRadiator Support Baffle

Fits Sierra 1500, Sierra 2500 HD, Sierra 3500 HD

4.3 LITER, GMC. 4.8, 5.3, 6.0 & 6.2 LITER, GMC. 6.6 LITER DIESEL, GMC. GMC.
Radiator - Repair or Replace
Typical symptoms for a failed radiator include both an overheating engine and a coolant leak. But some radiator failures can also result in burned or dark transmission fluid. If the cooling system in your needs attention, contact a factory-trained technician.