HomeOne Stop Solutions 2538 Radiator
Part #: 2538

One Stop Solutions 2538 Radiator

9 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Chevrolet and GMC, Avalanche 2500, Silverado 2500 HD, Suburban 2500, Sierra 2500 HD, and Yukon XL 2500
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Reliable Radiator Replacement for Chevrolet and GMC 2500 Series

The One Stop Solutions radiator part number 2538 is engineered to provide dependable cooling performance for Chevrolet and GMC heavy-duty trucks. Designed specifically for models like the Avalanche 2500, Sierra 2500 HD, Silverado 2500 HD, Suburban 2500, and Yukon XL 2500, this radiator ensures proper fitment and efficient heat dissipation.

  • Hassle free installation with drop-in fit, form, and function
  • OE performance with premium grade tubes, fins, headers, and tanks
  • Includes transmission and engine oil coolers with plated cooler types
  • Crossflow core design with 2 rows for improved cooling efficiency
  • Components fitted and torqued to factory specifications
  • Complete radiator tested up to three times during production
  • Engineering enhancements to address original design issues and extend service life

Technical Specifications and Features

This radiator features a core height of 37 13/16 inches, core width of 19 7/16 inches, and a core thickness of 2-3/16 inches, providing ample surface area for heat exchange. The core is constructed from PA material, while the tanks are made of durable plastic. Both inlet and outlet headers measure 20 11/16 inches in length and 3 1/8 inches in width, ensuring compatibility with the vehicle’s cooling system. The inlet diameter is 1 9/16 inches and the outlet diameter is 1 7/8 inches, matching OEM specifications.

Included with this radiator are transmission and engine oil coolers, both utilizing plated cooler types for corrosion resistance and efficient heat transfer. The distance between fittings for both coolers is 11 1/2 inches, facilitating straightforward connection to existing lines. The radiator employs a crossflow design, which enhances coolant flow and heat dissipation compared to downflow types.

Compatible Vehicles and Applications

This radiator is compatible with the following Chevrolet and GMC models:

  • Chevrolet Avalanche 2500
  • Chevrolet Silverado 2500 HD
  • Chevrolet Suburban 2500
  • GMC Sierra 2500 HD
  • GMC Yukon XL 2500

It is designed to replace original equipment radiators in these heavy-duty trucks, maintaining proper engine and transmission cooling under demanding conditions.

Common Issues Addressed by This Radiator

  • Overheating due to radiator core damage or clogging
  • Transmission fluid overheating from failing transmission oil cooler
  • Engine oil temperature regulation problems caused by faulty engine oil cooler
  • Leaks or cracks in plastic tanks or headers
  • Reduced cooling efficiency from worn or corroded components

Installation Notes and Tips

The One Stop Solutions radiator 2538 is designed for a direct replacement with all necessary fittings and hardware included. Installation requires standard hand tools and basic mechanical knowledge. Ensure all connections, including transmission and engine oil cooler lines, are properly tightened to factory torque specifications. Bleed the cooling system after installation to remove air pockets and verify leak-free operation before vehicle use.

Quality Assurance and Warranty

Each radiator undergoes up to three quality tests during production to ensure reliability and performance. Components are assembled and torqued to factory specifications to maintain OEM standards. While specific warranty details are not provided, One Stop Solutions products typically meet industry quality requirements for replacement radiators.

BrandOne Stop Solutions
Part Number2538
Cap IncludedNO
Core Height37 13/16
Core MaterialPA
Core Row Quantity2
Core Thickness2-3/16
Core Thickness56
Core Width19 7/16
Down Flow Or Cross Flow TypeCROSSFLOW
Engine Oil Cooler IncludedYES
Engine Oil Cooler TypePLATED
Inlet Diameter1 9/16
Inlet Header Length20 11/16
Inlet Header Width3 1/8
Oil Cooler Fittings Distance Apart11 1/2
Outlet Diameter1 7/8
Outlet Header Length20 11/16
Outlet Header Width3 1/8
Tank MaterialPLASTIC
Transmission Oil Cooler Distance between Fittings11 1/2
Transmission Oil Cooler IncludedYES
Transmission Oil Cooler TypePLATED

This part fits 9 vehicles. Search below:

YearMakeModelTransmissionLitersCylindersPositionNotes
2002ChevroletAvalanche 25008.1LV8N/Aw/3/8" TOC Fittings; w/4 Speed Trans
2002ChevroletSilverado 2500 HDAutomatic8.1LV8N/Aw/3/8" TOC Fittings
2002ChevroletSuburban 25008.1LV8N/Aw/3/8" TOC Fittings; w/4 Speed Trans
2002GMCSierra 2500 HD8.1LV8N/Aw/3/8" Transmission Oil Cooler Fittings
2002GMCYukon XL 25008.1LV8N/Aw/3/8" TOC Fittings; w/4 Speed Trans
2001ChevroletSilverado 2500 HDAutomatic8.1LV8N/Aw/3/8" TOC Fittings
2001ChevroletSuburban 25008.1LV8N/Aw/3/8" TOC Fittings; w/4 Speed Trans
2001GMCSierra 2500 HD8.1LV8N/Aw/3/8" Transmission Oil Cooler Fittings
2001GMCYukon XL 25008.1LV8N/Aw/3/8" TOC Fittings; w/4 Speed Trans

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

150586848012538CU2538

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.