Universal Air
Crossflow Radiator

Universal Air RA2757C Radiator

Brand Universal Air RA2757C
Product line Crossflow Radiator
Fits Chevrolet and GMC · 16 vehicles

Crossflow design. Promotes efficient coolant flow through the radiator.

Radiator replacement. A direct-fit cooling component for the system.

$252.29Free shipping
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Crossflow Radiator for GM HD Trucks

Universal Air RA2757C is a crossflow radiator for select Chevrolet Silverado 2500 HD and 3500, plus GMC Sierra 2500 HD and 3500 applications. It is built for direct-fit cooling system service on 2001-2005 GM heavy-duty trucks with the listed configurations.

Key Features

  • Crossflow radiator design for listed GM truck applications
  • Fits 2005 GMC Sierra 2500 HD, N/A
  • Fits 2001 GMC Sierra 2500 HD, N/A
  • Fits 2001-2005 GMC Sierra 3500, N/A, with 1 Row Equivalent; Crossflow Radiator
  • Fits 2001-2004 Chevrolet Silverado 3500, N/A, Crossflow Radiator
  • Fits 2003 Chevrolet Silverado 2500 HD, N/A, Crossflow Radiator
  • Universal Air part number RA2757C for fitment-specific cooling service

Product Details

The Universal Air Crossflow Radiator line focuses on replacement cooling components for vehicle-specific applications. RA2757C is listed for GM heavy-duty pickups and chassis-cab style trucks where the crossflow layout and application notes match the original cooling setup. Use this radiator when servicing a Chevrolet Silverado 2500 HD, Chevrolet Silverado 3500, GMC Sierra 2500 HD, or GMC Sierra 3500 with the exact fitment shown.

This part cross-references no additional part numbers in the provided data.

Common Cooling Issues It Can Address

  • Coolant leaks from a damaged or corroded radiator
  • Overheating caused by restricted or inefficient heat transfer
  • Physical damage from road debris or age-related wear
  • Cooling system service needs on a Chevrolet Silverado 3500 or GMC Sierra 3500
  • Replacement of a worn radiator on a Silverado 2500 HD or Sierra 2500 HD

Installation Notes and Tips

Verify the vehicle year, make, model, and radiator configuration before installation. Confirm that the existing cooling system uses the same crossflow layout and application notes listed for RA2757C. Inspect hoses, clamps, and related cooling components during service to help ensure proper system operation after replacement.

Quality Assurance

Universal Air identifies this radiator by part number RA2757C for the listed GM applications. Review the vehicle fitment carefully before ordering to confirm the correct cooling component for your truck.

This part fits 16 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelLitersCylindersFuel TypeNotes
2005GMCSierra 2500 HD—6.6LV8DIESELCrossflow Radiator
2005GMCSierra 3500—6.6LV8DIESELwith 1 Row Equivalent; Crossflow Radiator
2004ChevroletSilverado 3500Base6.6LV8DIESELCrossflow Radiator
2004ChevroletSilverado 3500LS6.6LV8DIESELCrossflow Radiator
2004GMCSierra 3500SLT6.6LV8DIESELwith 1 Row Equivalent; Crossflow Radiator
2004GMCSierra 3500SLE6.6LV8DIESELwith 1 Row Equivalent; Crossflow Radiator
2003ChevroletSilverado 2500 HDLS6.6LV8DIESELCrossflow Radiator
2003ChevroletSilverado 2500 HDBase6.6LV8DIESELCrossflow Radiator
2003ChevroletSilverado 3500LS6.6LV8DIESELCrossflow Radiator
2003ChevroletSilverado 3500LT6.6LV8DIESELCrossflow Radiator
2003GMCSierra 3500SLE6.6LV8DIESELwith 1 Row Equivalent; Crossflow Radiator
2002ChevroletSilverado 3500Base6.6LV8DIESELCrossflow Radiator
2002GMCSierra 3500Base6.6LV8DIESELwith 1 Row Equivalent; Crossflow Radiator
2001ChevroletSilverado 3500Base6.6LV8DIESELCrossflow Radiator
2001GMCSierra 2500 HD—6.6LV8DIESELCrossflow Radiator
2001GMCSierra 3500—6.6LV8DIESELwith 1 Row Equivalent; Crossflow Radiator