Global Parts 13244C Radiator

Radiator for Heavy-Duty GM Cooling

This Global Parts radiator, part number 13244C, is built for heavy-duty GM truck cooling applications where stable engine temperature and transmission fluid management matter. It is a direct-fit radiator for select Chevrolet Silverado 2500 HD, Chevrolet Silverado 3500 HD, GMC Sierra 2500 HD, and GMC Sierra 3500 HD models from 2011-2016.

Key Features

• Aluminum core with plastic tanks for efficient heat transfer and OE-style construction
• Cross-flow design with a single core row
• Core dimensions: 27.88 in. height, 33.44 in. width, 1.88 in. thickness
• Inlet diameter: 1.81 in.; outlet diameter: 2 in.
• Transmission oil cooler included with quick-connect fittings
• Transmission oil cooler fitting distance: 11.5 in.
• Engine oil cooler not included
• Core fin quantity: 68 per 4 in.

Detailed Description

Global Parts 13244C is a radiator assembly engineered to remove heat from the engine cooling system and support consistent operating temperatures under load. The aluminum core helps dissipate heat efficiently, while the plastic tank design follows common OE-style radiator construction. This unit also includes a transmission oil cooler with quick-connect fittings, making it a practical replacement for trucks that rely on integrated cooling for both the engine and transmission.

Compatible With 2011-2016 Chevrolet Silverado 2500 HD, 2011-2016 Chevrolet Silverado 3500 HD, 2011-2016 GMC Sierra 2500 HD, and 2011-2016 GMC Sierra 3500 HD. This part number 13244C is also cross-referenced to DENSO Auto Parts 221-9429 for the same application.

Common Problems This Radiator Can Address

• Engine overheating from a leaking or restricted radiator
• Transmission temperature concerns tied to a failing cooler circuit
• Coolant loss caused by cracked tanks or damaged core seams
• Reduced cooling performance from clogged or corroded radiator passages
• Temperature instability during towing or heavy-duty driving

Installation Notes and Tips

Verify inlet and outlet sizes, cooler fitting style, and overall core dimensions before installation. Confirm that the vehicle uses a cross-flow radiator layout with transmission cooler connections matching quick-connect fittings. Flush the cooling system and inspect hoses, clamps, and related components before installing the new radiator to help prevent contamination and repeat failures.

Quality Assurance

Global Parts supplies replacement cooling components for service applications that require OE-style fit and function. This radiator is built to match the listed dimensions and cooling configuration for the specified Chevrolet Silverado 2500 HD, Chevrolet Silverado 3500 HD, GMC Sierra 2500 HD, and GMC Sierra 3500 HD models. Part number 13244C provides a direct replacement option for these heavy-duty truck applications.