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One Stop Solutions 2538 Radiator
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.
| Brand | One Stop Solutions |
|---|---|
| Part Number | 2538 |
| Cap Included | NO |
| Core Height | 37 13/16 |
| Core Material | PA |
| Core Row Quantity | 2 |
| Core Thickness | 2-3/16 |
| Core Thickness | 56 |
| Core Width | 19 7/16 |
| Down Flow Or Cross Flow Type | CROSSFLOW |
| Engine Oil Cooler Included | YES |
| Engine Oil Cooler Type | PLATED |
| Inlet Diameter | 1 9/16 |
| Inlet Header Length | 20 11/16 |
| Inlet Header Width | 3 1/8 |
| Oil Cooler Fittings Distance Apart | 11 1/2 |
| Outlet Diameter | 1 7/8 |
| Outlet Header Length | 20 11/16 |
| Outlet Header Width | 3 1/8 |
| Tank Material | PLASTIC |
| Transmission Oil Cooler Distance between Fittings | 11 1/2 |
| Transmission Oil Cooler Included | YES |
| Transmission Oil Cooler Type | PLATED |
This part fits 9 vehicles. Search below:
| Year | Make | Model | Transmission | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2002 | Chevrolet | Avalanche 2500 | 8.1L | V8 | N/A | w/3/8" TOC Fittings; w/4 Speed Trans | |
| 2002 | Chevrolet | Silverado 2500 HD | Automatic | 8.1L | V8 | N/A | w/3/8" TOC Fittings |
| 2002 | Chevrolet | Suburban 2500 | 8.1L | V8 | N/A | w/3/8" TOC Fittings; w/4 Speed Trans | |
| 2002 | GMC | Sierra 2500 HD | 8.1L | V8 | N/A | w/3/8" Transmission Oil Cooler Fittings | |
| 2002 | GMC | Yukon XL 2500 | 8.1L | V8 | N/A | w/3/8" TOC Fittings; w/4 Speed Trans | |
| 2001 | Chevrolet | Silverado 2500 HD | Automatic | 8.1L | V8 | N/A | w/3/8" TOC Fittings |
| 2001 | Chevrolet | Suburban 2500 | 8.1L | V8 | N/A | w/3/8" TOC Fittings; w/4 Speed Trans | |
| 2001 | GMC | Sierra 2500 HD | 8.1L | V8 | N/A | w/3/8" Transmission Oil Cooler Fittings | |
| 2001 | GMC | Yukon XL 2500 | 8.1L | V8 | N/A | w/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:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.