Part #: 2946

One Stop Solutions 2946 Radiator

16 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: GMC and Chevrolet, Sierra 1500 and Silverado 1500
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Overview of One Stop Solutions Radiator 2946

The One Stop Solutions Radiator part number 2946 is designed specifically for Chevrolet Silverado 1500 and GMC Sierra 1500 models. This radiator features a crossflow design with premium materials to ensure reliable engine cooling and transmission oil cooling performance.

  • Hassle free installation for Chevrolet Silverado 1500 and GMC Sierra 1500
  • OE performance with engineering enhancements for improved cooling and durability
  • Core dimensions: 34" height, 17 1/4" width, 1" and 26" thickness
  • Plastic tanks and PA core material for corrosion resistance
  • Includes plated transmission oil cooler with fittings spaced 11 1/2" apart
  • Drop-in fit with all necessary fittings and hardware included
  • Tested up to three times during production for quality assurance

Detailed Product Description

This radiator (part number 2946) is engineered for direct replacement in Chevrolet Silverado 1500 and GMC Sierra 1500 trucks. It features a single-row core with a crossflow design, measuring 34 inches in core height and 17 1/4 inches in core width. The core thickness is specified as 1 inch and 26 inches, providing efficient heat dissipation. The core is constructed from PA material, while the tanks are made of durable plastic to resist corrosion and wear.

Both the inlet and outlet headers measure 18 1/2 inches in length and 3 1/8 inches in width, with inlet and outlet diameters of 1 5/16 inches and 1 9/16 inches respectively. This radiator includes a plated transmission oil cooler with fittings spaced 11 1/2 inches apart, enhancing transmission fluid cooling. No engine oil cooler is included in this model.

Common Applications and Issues Addressed

  • Replacement for leaking or damaged radiators in Chevrolet Silverado 1500 and GMC Sierra 1500
  • Improves engine cooling efficiency to prevent overheating
  • Resolves transmission fluid overheating with integrated transmission oil cooler
  • Addresses radiator core corrosion and tank damage
  • Fixes cooling system failures caused by original design limitations

Installation Notes and Tips

The One Stop Solutions Radiator 2946 is designed for a drop-in fit, matching factory specifications for Chevrolet Silverado 1500 and GMC Sierra 1500 models. All necessary fittings and hardware are included to simplify installation. Components are pre-fitted and torqued to factory specifications, reducing installation time and ensuring proper sealing. It is recommended to inspect hoses and clamps during installation and replace if necessary to maintain system integrity.

Quality Assurance and Warranty

This radiator undergoes up to three quality tests during production to ensure reliability and performance. The product incorporates engineering enhancements to improve cooling efficiency and extend service life compared to original equipment. While a cap is not included, the radiator meets OE standards for fit, form, and function. Warranty details should be confirmed with the distributor or manufacturer.

BrandOne Stop Solutions
Part Number2946
Cap IncludedNO
Core Height34
Core MaterialPA
Core Row Quantity1
Core Thickness1
Core Thickness26
Core Width17 1/4
Down Flow Or Cross Flow TypeCROSSFLOW
Engine Oil Cooler IncludedNO
Engine Oil Cooler TypeNONE
Inlet Diameter1 5/16
Inlet Header Length18 1/2
Inlet Header Width3 1/8
Outlet Diameter1 9/16
Outlet Header Length18 1/2
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 16 vehicles. Search below:

YearMakeModelTransmissionLitersCylindersPositionNotes
2013GMCSierra 15004.3LV6N/A
2012GMCSierra 15004.3LV6N/A
2011ChevroletSilverado 1500Automatic4.3LV6N/A
2011GMCSierra 1500Automatic4.3LV6N/A
2010ChevroletSilverado 1500Automatic4.3LV6N/A
2010GMCSierra 1500Automatic4.3LV6N/A
2009ChevroletSilverado 1500Automatic4.3LV6N/A
2009GMCSierra 1500Automatic4.3LV6N/A
2008ChevroletSilverado 1500Automatic4.3LV6N/A
2008GMCSierra 1500Automatic4.3LV6N/A
2007ChevroletSilverado 1500Automatic4.3LV6N/A
2007GMCSierra 1500Automatic4.3LV6N/A
2006ChevroletSilverado 1500Automatic4.3LV6N/A
2006GMCSierra 1500Automatic4.3LV6N/A
2005ChevroletSilverado 1500Automatic4.3LV6N/A
2005GMCSierra 15004.3LV6N/Awo/TOC

* 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:

15841572560098012946CU2423GM3010519

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