Global Parts 2538C Radiator

Radiator for GM Truck and SUV Cooling

Global Parts 2538C is a radiator for select 2001-2002 Chevrolet and GMC trucks and SUVs with automatic transmission cooling and engine oil cooling provisions. It replaces the original cooling assembly on applications such as the Chevrolet Suburban 2500 and GMC Sierra 2500 HD when the factory radiator is no longer performing properly.

Key Features

• Aluminum core with plastic tanks for OE-style cooling system construction
• Cross-flow design for efficient heat transfer
• Transmission oil cooler included with quick-connect fittings
• Engine oil cooler included with quick-connect fittings
• Core thickness: 2.2 in. (55.88 mm)
• Inlet diameter: 1.57 in. (39.88 mm)
• Transmission oil cooler fitting distance: 11.5 in.
• Engine oil cooler fitting distance: 11.5 in.
• Core fin quantity: 58 per 4 in.

Detailed Description

Global Parts 2538C radiator is built for cooling-system replacement on select Chevrolet Avalanche 2500, Silverado 2500 HD, Silverado 3500, Suburban 2500, and GMC Sierra 2500 HD, Sierra 3500, and Yukon XL 2500 applications. It is a cross-flow radiator with an aluminum core and plastic tanks, and it includes both transmission and engine oil cooler circuits with quick-connect fittings. This part number, 2538C, is a direct-fit style replacement for vehicles that require the listed cooler configuration, including the 2001 GMC Yukon XL 2500 replacement application noted for a radiator with 3/8 transmission fittings.

This part cross-references Spectra Premium CU2538 and OSC 2538 for the same application.

What It Helps Address

• Overheating caused by a failing radiator core
• Coolant leaks from aged plastic tanks or core seams
• Transmission temperature issues related to radiator cooler failure
• Engine oil cooling circuit problems tied to the original radiator assembly
• Reduced cooling performance in heavy-duty Chevrolet and GMC truck use

Installation Notes and Tips

Verify cooler line style, inlet size, and the 11.5 in. cooler fitting spacing before installation. Confirm the vehicle uses the listed cross-flow radiator layout and the correct transmission and engine oil cooler connections. Compare the original radiator to Global Parts 2538C and match the OE configuration on your Chevrolet Suburban 2500, Silverado 2500 HD, or GMC Sierra 3500 application before final assembly.

Quality Assurance

Global Parts supplies replacement cooling components for OE-style fitment and function. Part number 2538C is built to match the specified radiator configuration for the listed GM applications.