Part #: 13351

One Stop Solutions 13351 Radiator

⚙️ 8 vehicles fit this part
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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, ATS and CTS
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Reliable Radiator Replacement for Cadillac ATS and CTS

The One Stop Solutions radiator part number 13351 is designed specifically for Cadillac ATS and CTS models. Engineered to meet OE performance standards, this radiator offers a direct fit solution to maintain your vehicle's cooling efficiency and transmission oil temperature control.

Key Features of One Stop Solutions Radiator 13351

  • Core dimensions: 20 5/8" height, 18 7/8" width, and 1" thickness for optimal heat dissipation
  • Crossflow design with a single core row for efficient coolant flow
  • Plastic tanks combined with premium grade tubes, fins, and headers
  • Includes a plated transmission oil cooler with fittings spaced 14 3/4" apart
  • Inlet and outlet diameters both 1 5/16" for seamless hose connections
  • Components fitted and torqued to factory specifications for reliable performance
  • Drop-in fit with all necessary fittings and hardware included
  • Tested up to three times during production to ensure quality and durability

Detailed Description of Radiator 13351

This radiator features a crossflow core constructed from premium materials, including a plastic tank and PA core material, designed to provide consistent cooling performance for Cadillac ATS and CTS vehicles. The core thickness of 1" and width of 18 7/8" allow for effective heat exchange, while the inclusion of a plated transmission oil cooler helps maintain transmission fluid temperature under various driving conditions. The inlet and outlet headers measure 20" in length and 2" in width, ensuring proper coolant flow and compatibility with factory hoses. This radiator does not include an engine oil cooler but is engineered to address common cooling system demands with enhanced durability and efficiency.

Common Issues Addressed by This Radiator

  • Overheating due to radiator core damage or clogging
  • Transmission fluid overheating from a faulty or missing transmission oil cooler
  • Leaks caused by cracked plastic tanks or worn seals
  • Reduced cooling efficiency from corrosion or bent fins
  • Improper fitment leading to coolant leaks or hose disconnections

Installation Notes and Tips

  • Designed as a direct replacement for Cadillac ATS and CTS models; verify part number 13351 compatibility before installation
  • Ensure all fittings and hardware are securely torqued to factory specifications
  • Inspect hoses and clamps for wear and replace if necessary during installation
  • Bleed the cooling system properly after installation to avoid air pockets
  • Check transmission oil cooler connections for leaks and proper fluid flow

Quality Assurance and Warranty Information

Each One Stop Solutions radiator 13351 undergoes rigorous testing up to three times during production to ensure consistent quality and performance. Components are engineered with enhancements to improve cooling efficiency and extend service life. 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 to ensure coverage specifics.

BrandOne Stop Solutions
Part Number13351
Cap IncludedNO
Core Height20 5/8
Core MaterialPA
Core Row Quantity1
Core Thickness1
Core Thickness26
Core Width18 7/8
Down Flow Or Cross Flow TypeCROSSFLOW
Engine Oil Cooler IncludedNO
Engine Oil Cooler TypeNONE
Inlet Diameter1 5/16
Inlet Header Length20
Inlet Header Width2
Outlet Diameter1 5/16
Outlet Header Length20
Outlet Header Width2
Tank MaterialPLASTIC
Transmission Oil Cooler Distance between Fittings14 3/4
Transmission Oil Cooler IncludedYES
Transmission Oil Cooler TypePLATED

This part fits 8 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2015CadillacATS2.0LL4N/A
2015CadillacATS3.6LV6N/A
2015CadillacCTS2.0LL4N/A
2014CadillacATS2.0LL4N/A
2014CadillacATS3.6LV6N/A
2014CadillacCTS2.0LL4N/A
2013CadillacATS2.0LL4N/A
2013CadillacATS3.6LV6N/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:

22966124A13351CU13349

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