Part #: 2947

One Stop Solutions 2947 Radiator

⚙️ 32 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Chevrolet and GMC, Silverado 2500 HD Classic, Silverado 3500 Classic, Sierra 2500 HD Classic, Sierra 3500 Classic, Avalanche 2500, Silverado 2500 HD, Silverado 3500, Suburban 2500, Sierra 2500 HD, Sierra 3500, and Yukon XL 2500
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Overview of One Stop Solutions Radiator 2947

The One Stop Solutions Radiator part number 2947 is engineered for reliable cooling performance in heavy-duty Chevrolet and GMC trucks. Designed specifically for models like the Silverado 2500 HD, Sierra 3500, and Yukon XL 2500, this radiator supports optimal engine and transmission temperatures under demanding conditions.

  • Hassle free installation with drop-in fit, form, and function
  • OE performance with premium grade tubes, fins, headers, and tanks
  • Engineering enhancements for improved cooling efficiency and extended service life
  • Includes transmission and engine oil coolers with plated cooler types
  • Core dimensions: 37 13/16" height, 19 7/16" width, 2-3/16" thickness
  • Crossflow design with plastic tanks and PA core material
  • Fittings and components torqued to factory specifications
  • 100% tested up to three times during production for quality assurance

Detailed Radiator Specifications and Features

This radiator features a crossflow core with two rows, measuring 37 13/16 inches in height and 19 7/16 inches in width, providing efficient heat dissipation. The core thickness is 2-3/16 inches, constructed from PA material for durability and thermal performance. Both inlet and outlet headers measure 20 11/16 inches in length and 3 3/16 inches in width, with inlet and outlet diameters of 1 9/16 inches and 1 13/16 inches respectively. The radiator includes integrated transmission and engine oil coolers, both plated for corrosion resistance, with fittings spaced 11 1/2 inches apart. Plastic tanks complement the core, balancing weight and strength.

Compatible Chevrolet and GMC Models

This radiator is compatible with a range of Chevrolet and GMC heavy-duty trucks, including Avalanche 2500, Sierra 2500 HD and Classic, Sierra 3500 and Classic, Silverado 2500 HD and Classic, Silverado 3500 and Classic, Suburban 2500, and Yukon XL 2500. The part number 2947 ensures a precise fit and reliable cooling performance for these specific models.

Common Applications and Issues Addressed

  • Overheating due to radiator core damage or clogging
  • Transmission fluid overheating affecting vehicle performance
  • Engine oil temperature regulation for extended engine life
  • Leaks or cracks in original radiator tanks or headers
  • Reduced cooling efficiency from worn or corroded components

Installation Notes and Tips

Installation of the One Stop Solutions Radiator 2947 is designed to be straightforward with a drop-in fit. All necessary fittings and hardware are included, and components are pre-torqued to factory specifications to ensure proper sealing and alignment. It is recommended to inspect hoses and clamps during installation and replace if necessary to maintain system integrity.

Quality Assurance and Warranty

Each radiator undergoes rigorous testing up to three times during production to verify performance and durability. The use of premium materials and engineering enhancements addresses common design failures found in original equipment. While specific warranty details are not provided, One Stop Solutions products are manufactured to meet or exceed OEM standards for reliable operation in Chevrolet and GMC heavy-duty trucks.

BrandOne Stop Solutions
Part Number2947
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 3/16
Oil Cooler Fittings Distance Apart11 1/2
Outlet Diameter1 13/16
Outlet Header Length20 11/16
Outlet Header Width3 3/16
Tank MaterialPLASTIC
Transmission Oil Cooler Distance between Fittings11 1/2
Transmission Oil Cooler IncludedYES
Transmission Oil Cooler TypePLATED

This part fits 32 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2007ChevroletSilverado 2500 HD Classic8.1LV8N/A
2007ChevroletSilverado 3500 Classic8.1LV8N/A
2007GMCSierra 2500 HD Classic8.1LV8N/A
2007GMCSierra 3500 Classic8.1LV8N/A
2006ChevroletAvalanche 25008.1LV8N/AALLISON TRANS
2006ChevroletSilverado 2500 HD8.1LV8N/AALLISON TRANS
2006ChevroletSilverado 35008.1LV8N/AALLISON TRANS
2006ChevroletSuburban 25008.1LV8N/AALLISON TRANS
2006GMCSierra 2500 HD8.1LV8N/AALLISON TRANS
2006GMCSierra 35008.1LV8N/AALLISON TRANS
2006GMCYukon XL 25008.1LV8N/AALLISON TRANS
2005ChevroletAvalanche 25008.1LV8N/AALLISON TRANS
2005ChevroletSilverado 2500 HD8.1LV8N/AALLISON TRANS
2005ChevroletSilverado 35008.1LV8N/AALLISON TRANS
2005ChevroletSuburban 25008.1LV8N/AALLISON TRANS
2005GMCSierra 2500 HD8.1LV8N/AALLISON TRANS
2005GMCSierra 35008.1LV8N/AALLISON TRANS
2005GMCYukon XL 25008.1LV8N/AALLISON TRANS
2004ChevroletAvalanche 25008.1LV8N/AALLISON TRANS
2004ChevroletSilverado 2500 HD8.1LV8N/AALLISON TRANS
2004ChevroletSilverado 35008.1LV8N/AALLISON TRANS
2004ChevroletSuburban 25008.1LV8N/AALLISON TRANS
2004GMCSierra 2500 HD8.1LV8N/AALLISON TRANS
2004GMCSierra 35008.1LV8N/AALLISON TRANS
2004GMCYukon XL 25008.1LV8N/AALLISON TRANS
2003ChevroletAvalanche 25008.1LV8N/AALLISON TRANS
2003ChevroletSilverado 2500 HD8.1LV8N/AALLISON TRANS
2003ChevroletSilverado 35008.1LV8N/AALLISON TRANS
2003ChevroletSuburban 25008.1LV8N/AALLISON TRANS
2003GMCSierra 2500 HD8.1LV8N/AALLISON TRANS
2003GMCSierra 35008.1LV8N/AALLISON TRANS
2003GMCYukon XL 25008.1LV8N/AALLISON 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:

801294789019156CU2947GM3010439

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