Part #: 13574

One Stop Solutions 13574 Radiator

6 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Buick and Chevrolet, LaCrosse and Malibu
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Radiator for Buick LaCrosse and Chevrolet Malibu

One Stop Solutions Part Number 13574 is a direct-fit radiator built for OE-style cooling performance in select Buick and Chevrolet applications. It is engineered for hassle-free installation, with factory-spec fitment and cooling-system components designed to support long service life.

  • Fits 2017-2019 Buick LaCrosse, N/A
  • Fits 2016-2018 Chevrolet Malibu, N/A
  • Core thickness: 1 / 26
  • Core material: PA
  • Transmission oil cooler type: plated
  • Engine oil cooler type: none
  • Cap included: no

Key Features

  • Drop-in fit, form, and function for straightforward replacement
  • Factory-spec components fitted and torqued during assembly
  • Premium-grade tubes, fins, headers, tanks, and related components
  • Enhanced cooling design with added fins per inch and thicker core construction
  • Transmission cooler circuit tested before tank installation and again after assembly
  • Complete radiator assembly tested up to three times during production

Detailed Description

This One Stop Solutions radiator, Part Number 13574, is built for drivers replacing a worn or leaking cooling unit in a 2017-2019 Buick LaCrosse or a 2016-2018 Chevrolet Malibu. It uses engineering updates aimed at improving cooling efficiency and durability, including design changes intended to address common failure points in higher-mileage vehicles. The radiator is assembled with premium materials and tested throughout production to verify cooling-system integrity and fit.

This part cross-references Spectra Premium CU13574 for the same application.

Common Issues This Radiator Can Address

  • Coolant leaks from a damaged or aging radiator core or tank
  • Overheating caused by reduced heat transfer efficiency
  • Transmission temperature concerns related to a failing cooler circuit
  • Cooling-system performance loss from internal blockage or corrosion
  • Fitment problems from a replacement radiator that does not match factory dimensions

Installation Notes and Tips

Verify vehicle application before installation: Fits 2017-2019 Buick LaCrosse, N/A and Fits 2016-2018 Chevrolet Malibu, N/A. Confirm that the radiator matches the original configuration, including the plated transmission oil cooler and no engine oil cooler setup. Flush the cooling system, inspect hoses and related seals, and check for proper fan operation after installation.

Quality Assurance

OSC radiators are tested during production, including cooler testing before tank installation, core testing before assembly, and a final test after assembly. Components are assembled to factory specifications to support consistent fit and cooling performance.

BrandOne Stop Solutions
Part Number13574
Core Thickness1
Core Thickness26
Core MaterialPa
Transmission Oil Cooler TypePlated
Engine Oil Cooler TypeNone
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 6 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2019BuickLaCrosse3.6LV6N/A
2018BuickLaCrosse3.6LV6N/A
2018ChevroletMalibu1.5LL4N/A
2017BuickLaCrosse3.6LV6N/A
2017ChevroletMalibu1.5LL4N/A
2016ChevroletMalibu1.5LL4N/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:

23336325CU13574

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