Part #: 13111

One Stop Solutions 13111 Radiator

⚙️ 4 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Cadillac, STS
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🚚Fast Shipping — Most orders ship same business day before 1pm CST

Reliable Radiator Replacement for Cadillac STS

The One Stop Solutions radiator part number 13111 is designed specifically for Cadillac STS models, providing a direct fit replacement to maintain optimal engine cooling. Engineered with durable materials and precise dimensions, this radiator supports efficient heat dissipation and reliable vehicle performance.

Key Features of One Stop Solutions Radiator 13111

  • Hassle free installation with drop-in fit, form, and function
  • OE performance and quality standards met or exceeded
  • Engineering enhancements improve cooling efficiency and extend service life
  • Components fitted and torqued to factory specifications
  • Premium grade core, tanks, headers, and fins for durability
  • 100% tested up to three times during production for quality assurance
  • Downflow core design with a single core row for effective heat exchange

Detailed Product Description

This radiator features a core height of 23 5/8 inches, core width of 20 7/16 inches, and a core thickness of 5/8 inch, constructed with PA core material and plastic tanks. The inlet and outlet diameters are both 1 3/8 inches, with header lengths measuring 21 9/16 inches and header widths of 2 inches. The downflow design facilitates efficient coolant flow through the single-row core, optimizing heat transfer. This radiator does not include transmission or engine oil coolers, focusing solely on engine coolant management. The design improvements address common original equipment failures, enhancing durability and cooling performance for Cadillac STS vehicles.

Common Applications and Problem Solving

  • Replacement for leaking or cracked radiator cores
  • Resolution of overheating issues due to inefficient cooling
  • Fixing coolant leaks from damaged plastic tanks or headers
  • Upgrading worn radiators to restore factory cooling capacity
  • Addressing radiator failures caused by corrosion or physical damage

Installation Notes and Tips

Ensure the radiator is compatible with your Cadillac STS before installation. This radiator is designed for a direct drop-in replacement, matching original equipment dimensions and mounting points. Verify all hose connections and clamps are secure to prevent leaks. Since no cap or additional coolers are included, reuse existing components or replace separately if needed. Follow factory torque specifications when securing the radiator to avoid damage.

Quality Assurance and Warranty

Each One Stop Solutions radiator 13111 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, the product is engineered to meet OE performance criteria and includes enhancements to improve longevity and cooling efficiency for Cadillac STS vehicles.

BrandOne Stop Solutions
Part Number13111
Core Height23 5/8
Core Thickness16
Core Thickness5/8
Core Width20 7/16
Inlet Header Length21 9/16
Outlet Header Length21 9/16
Core MaterialPa
Tank MaterialPlastic
Transmission Oil Cooler IncludedNo
Inlet Header Width2
Outlet Header Width2
Transmission Oil Cooler TypeNone
Engine Oil Cooler TypeNone
Core Row Quantity1
Inlet Diameter1 3/8
Outlet Diameter1 3/8
Engine Oil Cooler IncludedNo
Down Flow Or Cross Flow TypeDownflow
Cap IncludedNo
BulletPoint 1Hassle free installation
BulletPoint 2O.e. performance and exceptional quality
BulletPoint 3Engineering enhancements provide improved cooling and longer life
BulletPoint 4Components are fitted and torqued in place to factory specificati
BulletPoint 5Premium grade tubes, fins, headers, tanks, and other components a
BulletPoint 6Drop in fit, form and function. all necessary fittings or hardwar
BulletPoint 7Complete radiators 100% tested up to three times during productio
BulletPoint 8Enhancements added to solve original design failures and to impro

This part fits 4 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2011CadillacSTS3.6LV6N/Aw/TOW
2010CadillacSTS3.6LV6N/Aw/TOW
2009CadillacSTS3.6LV6N/Aw/TOW
2008CadillacSTS3.6LV6N/Aw/TOW

* 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:

191303568013111CU13111

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