Part #: 2731

One Stop Solutions 2731 Radiator

11 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Cadillac, CTS
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Fast Shipping — Most orders ship same business day before 1pm CST

Overview of One Stop Solutions Radiator for Cadillac CTS

The One Stop Solutions radiator, part number 2731, is designed specifically for Cadillac CTS models. Engineered to provide reliable cooling performance, this radiator features a downflow core and includes a transmission oil cooler to support your vehicle's cooling system needs.

  • Hassle free installation for quick replacement
  • OE performance with quality materials and construction
  • Engineering enhancements for improved cooling efficiency and durability
  • Components fitted and torqued to factory specifications
  • Premium grade tubes, fins, headers, and plastic tanks
  • Drop-in fit with all necessary fittings and hardware included
  • 100% tested up to three times during production
  • Design improvements to address original equipment failures

Detailed Product Specifications

This One Stop Solutions radiator (part number 2731) features a core height of 16 3/4 inches, core width of 25 7/8 inches, and a core thickness of 1 inch, providing an efficient cooling surface area. The radiator core is constructed from PA material, while the tanks are made of durable plastic. It includes a plated transmission oil cooler with fittings spaced 14 3/4 inches apart, supporting the transmission cooling system. The inlet and outlet diameters are both 1 3/8 inches, with inlet and outlet header lengths of 26 7/8 inches and widths of 2 inches and 2 5/16 inches respectively. This radiator is designed as a downflow type with a single core row, optimized for Cadillac CTS cooling requirements.

Compatible Vehicles and Applications

This radiator is compatible with Cadillac CTS models requiring a downflow radiator with integrated transmission oil cooler. It is engineered to replace the original radiator and maintain proper engine and transmission temperatures under normal driving conditions.

  • Overheating issues due to radiator core damage or clogging
  • Transmission fluid overheating caused by faulty or missing transmission oil cooler
  • Leaks or cracks in plastic tanks or headers
  • Reduced cooling efficiency from worn or corroded radiator components
  • Failure of original radiator leading to engine overheating or transmission damage

Installation Notes and Tips

The One Stop Solutions radiator 2731 is designed for a drop-in replacement, matching the original equipment fit, form, and function. All necessary fittings and hardware are included to facilitate installation. It is recommended to inspect hoses and clamps during installation and replace if necessary. Ensure proper torque specifications are followed when securing components to avoid leaks or damage.

Quality Assurance and Warranty

Each radiator undergoes rigorous testing up to three times during production to ensure reliability and performance. Components are assembled and torqued to factory specifications to maintain quality standards. While specific warranty details are not provided, One Stop Solutions products are manufactured to meet or exceed OEM standards for durability and function.

BrandOne Stop Solutions
Part Number2731
Cap IncludedNO
Core Height16 3/4
Core MaterialPA
Core Row Quantity1
Core Thickness1
Core Thickness26
Core Width25 7/8
Down Flow Or Cross Flow TypeDOWNFLOW
Engine Oil Cooler IncludedNO
Engine Oil Cooler TypeNONE
Inlet Diameter1 3/8
Inlet Header Length26 7/8
Inlet Header Width2
Outlet Diameter1 3/8
Outlet Header Length26 7/8
Outlet Header Width2 5/16
Tank MaterialPLASTIC
Transmission Oil Cooler Distance between Fittings14 3/4
Transmission Oil Cooler IncludedYES
Transmission Oil Cooler TypePLATED

This part fits 11 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2007CadillacCTS6.0LV8N/A
2007CadillacCTS2.8LV6N/A
2007CadillacCTS3.6LV6N/A
2006CadillacCTS6.0LV8N/A
2006CadillacCTS2.8LV6N/A
2006CadillacCTS3.6LV6N/A
2005CadillacCTS5.7LV8N/A
2005CadillacCTS2.8LV6N/A
2005CadillacCTS3.6LV6N/A
2004CadillacCTS5.7LV8N/A
2004CadillacCTS3.6LV6N/A

* 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:

191299838012731A2731CU2370GM3010453

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