Spectra CU2948 Radiator

Brand Spectra CU2948
Fits Chevrolet and GMC · 22 vehicles

OE-style construction. Built to meet durability expectations for replacement cooling systems.

Cooling-system ready. Configured for engine oil and transmission oil cooler applications.

Cross-references Anchor 2932, Anchor 2948 and Anchor 9467 for the same application. See all 18.

$455.50Free shipping
In stock · usually ships same day before 1pm CST
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Free returns within 60 days if it doesn't fit when fitment is verified.

Radiator Overview

The Spectra CU2948 radiator is built to match OE durability expectations for heavy-duty cooling systems. It is a direct-fit radiator for select Chevrolet and GMC trucks and SUVs that use engine oil and transmission oil coolers.

Key Features

  • OE-style construction for dependable cooling system replacement
  • Fits applications with engine oil cooler and transmission oil cooler provisions
  • Configured for 3/8 quick connect fittings
  • Core size matches the listed heavy-duty application requirements
  • Part number CU2948 for easy identification

Fitment Details

Compatible with 2007 Chevrolet Silverado 2500 HD Classic, N/A. Compatible with 2007 GMC Sierra 2500 HD Classic, N/A. Fits 2003-2006 Chevrolet Avalanche 2500, N/A. Fits 2003-2006 Chevrolet Silverado 2500 HD, N/A. Fits 2003-2006 Chevrolet Suburban 2500, N/A. Fits 2003-2006 GMC Sierra 2500 HD, N/A. Fits 2003-2006 GMC Yukon XL 2500, N/A.

What This Radiator Helps Address

  • Overheating caused by a worn or leaking radiator
  • Cooling system loss from damaged core tubes or tanks
  • Transmission temperature issues tied to radiator cooler circuits
  • Engine oil cooling concerns on equipped heavy-duty models

Installation Notes

Verify core dimensions, cooler provisions, and 3/8 quick connect fittings before installation. Confirm the vehicle is equipped with the listed engine oil cooler and transmission oil cooler setup. Match the radiator to the application by part number CU2948 and the vehicle's cooling-system configuration.

Quality Assurance

Spectra Premium radiators are built to meet OE-level durability expectations. This part cross-references Anchor (e.g., 2932, 2948) for the same application.

This part fits 22 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelTransmissionLitersCylindersNotes
2007ChevroletSilverado 2500 HD Classic—8.1LV8w/ 37-13/16 in. x 19-7/16 in. x 1-1/4 in. Core; w/ Engine Oil Cooler; w/ Transmission Oil Cooler; w/ 3/8 Quick Connect Fittings
2007GMCSierra 2500 HD Classic—8.1LV8w/ 37-13/16 in. x 19-7/16 in. x 1-1/4 in. Core; w/ Engine Oil Cooler; w/ Transmission Oil Cooler; w/ 3/8 Quick Connect Fittings
2006ChevroletAvalanche 2500—8.1LV8w/ 37-13/16 in. x 19-7/16 in. x 1-1/4 in. Core; w/ Engine Oil Cooler; w/ Transmission Oil Cooler; w/ 3/8 Quick Connect Fittings
2006ChevroletSilverado 2500 HDAutomatic8.1LV8w/ 37-13/16 in. x 19-7/16 in. x 1-1/4 in. Core; w/ Engine Oil Cooler; w/ Transmission Oil Cooler; w/ 3/8 Quick Connect Fittings
2006ChevroletSuburban 2500—8.1LV8w/ 37-13/16 in. x 19-7/16 in. x 1-1/4 in. Core; w/ Engine Oil Cooler; w/ Transmission Oil Cooler; w/ 3/8 Quick Connect Fittings
2006GMCSierra 2500 HDAutomatic8.1LV8w/ 37-13/16 in. x 19-7/16 in. x 1-1/4 in. Core; w/ Engine Oil Cooler; w/ Transmission Oil Cooler; w/ 3/8 Quick Connect Fittings
2006GMCYukon XL 2500—8.1LV8w/ 37-13/16 in. x 19-7/16 in. x 1-1/4 in. Core; w/ Engine Oil Cooler; w/ Transmission Oil Cooler; w/ 3/8 Quick Connect Fittings
2005ChevroletAvalanche 2500—8.1LV8w/ 37-13/16 in. x 19-7/16 in. x 1-1/4 in. Core; w/ Engine Oil Cooler; w/ Transmission Oil Cooler; w/ 3/8 Quick Connect Fittings
2005ChevroletSilverado 2500 HDAutomatic8.1LV8w/ 37-13/16 in. x 19-7/16 in. x 1-1/4 in. Core; w/ Engine Oil Cooler; w/ Transmission Oil Cooler; w/ 3/8 Quick Connect Fittings
2005ChevroletSuburban 2500Automatic8.1LV8w/ 37-13/16 in. x 19-7/16 in. x 1-1/4 in. Core; w/ Engine Oil Cooler; w/ Transmission Oil Cooler; w/ 3/8 Quick Connect Fittings
2005GMCSierra 2500 HDAutomatic8.1LV8w/ 37-13/16 in. x 19-7/16 in. x 1-1/4 in. Core; w/ Engine Oil Cooler; w/ Transmission Oil Cooler; w/ 3/8 Quick Connect Fittings
2005GMCYukon XL 2500—8.1LV8w/ 37-13/16 in. x 19-7/16 in. x 1-1/4 in. Core; w/ Engine Oil Cooler; w/ Transmission Oil Cooler; w/ 3/8 Quick Connect Fittings
2004ChevroletAvalanche 2500—8.1LV8w/ 37-13/16 in. x 19-7/16 in. x 1-1/4 in. Core; w/ Engine Oil Cooler; w/ Transmission Oil Cooler; w/ 3/8 Quick Connect Fittings
2004ChevroletSilverado 2500 HDAutomatic8.1LV8w/ 37-13/16 in. x 19-7/16 in. x 1-1/4 in. Core; w/ Engine Oil Cooler; w/ Transmission Oil Cooler; w/ 3/8 Quick Connect Fittings
2004ChevroletSuburban 2500—8.1LV8w/ 37-13/16 in. x 19-7/16 in. x 1-1/4 in. Core; w/ Engine Oil Cooler; w/ Transmission Oil Cooler; w/ 3/8 Quick Connect Fittings
2004GMCSierra 2500 HDAutomatic8.1LV8w/ 37-13/16 in. x 19-7/16 in. x 1-1/4 in. Core; w/ Engine Oil Cooler; w/ Transmission Oil Cooler; w/ 3/8 Quick Connect Fittings
2004GMCYukon XL 2500—8.1LV8w/ 37-13/16 in. x 19-7/16 in. x 1-1/4 in. Core; w/ Engine Oil Cooler; w/ Transmission Oil Cooler; w/ 3/8 Quick Connect Fittings
2003ChevroletAvalanche 2500—8.1LV8w/ 37-13/16 in. x 19-7/16 in. x 1-1/4 in. Core; w/ Engine Oil Cooler; w/ Transmission Oil Cooler; w/ 3/8 Quick Connect Fittings
2003ChevroletSilverado 2500 HDAutomatic8.1LV8w/ 37-13/16 in. x 19-7/16 in. x 1-1/4 in. Core; w/ Engine Oil Cooler; w/ Transmission Oil Cooler; w/ 3/8 Quick Connect Fittings
2003ChevroletSuburban 2500—8.1LV8w/ 37-13/16 in. x 19-7/16 in. x 1-1/4 in. Core; w/ Engine Oil Cooler; w/ Transmission Oil Cooler; w/ 3/8 Quick Connect Fittings
2003GMCSierra 2500 HDAutomatic8.1LV8w/ 37-13/16 in. x 19-7/16 in. x 1-1/4 in. Core; w/ Engine Oil Cooler; w/ Transmission Oil Cooler; w/ 3/8 Quick Connect Fittings
2003GMCYukon XL 2500—8.1LV8w/ 37-13/16 in. x 19-7/16 in. x 1-1/4 in. Core; w/ Engine Oil Cooler; w/ Transmission Oil Cooler; w/ 3/8 Quick Connect Fittings
Directly replaces or cross-references 18 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Anchor — 2932Anchor — 2948Anchor — 9467APDI — 8012948Gates — 21492Spectra Premium — CU2948412948412948A4380591519310615913006890183208901844489019168C2948RAD2948REA412948REA412948A