Part #: 13021

One Stop Solutions 13021 Radiator

⚙️ 3 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: Subaru, Forester
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Overview of One Stop Solutions Radiator for Subaru Forester

The One Stop Solutions radiator, part number 13021, is designed specifically for Subaru Forester models. This radiator features a downflow core design with precise dimensions to ensure optimal cooling performance and compatibility.

  • Hassle free installation
  • OE performance and exceptional quality
  • Engineering enhancements for improved cooling and longer life
  • 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 Radiator Specifications and Features

This radiator core measures 14 3/16 inches in height, 27 1/16 inches in width, and has a thickness of 5/8 inch (16 mm). The core is constructed from PA material, while the tanks are made of durable plastic. It includes a concentric transmission oil cooler with a diameter of 1 1/4 inches and a fitting distance of 14 3/4 inches, supporting efficient transmission fluid cooling. The inlet and outlet diameters are both 1 1/2 inches, with inlet and outlet header lengths of 14 3/16 inches and 28 3/16 inches respectively. This radiator is a single-row core design and features a downflow configuration, which is common for Subaru Forester cooling systems.

Compatible Vehicles and Common Applications

This radiator is compatible with Subaru Forester models requiring part number 13021. It is engineered to replace the original radiator and transmission oil cooler assembly, providing reliable cooling performance for the engine and transmission.

  • Overheating issues due to radiator core damage or clogging
  • Transmission fluid overheating from a faulty or missing cooler
  • Leaks in plastic tanks or header areas
  • Reduced cooling efficiency from corrosion or wear
  • Failure of original radiator components causing engine temperature fluctuations

Installation Notes and Tips

Installation of the One Stop Solutions radiator 13021 is straightforward with a drop-in fit design. All necessary fittings and hardware are included, and components are pre-fitted and torqued to factory specifications to ensure proper assembly. It is recommended to inspect hoses and clamps during installation and replace if necessary to maintain system integrity.

Quality Assurance and Warranty Information

Each radiator undergoes rigorous testing up to three times during production to verify performance and durability. The product incorporates engineering enhancements to address common failure points found in original equipment. While specific warranty details are not provided, One Stop Solutions products are manufactured to meet or exceed OEM standards for reliability and fitment.

BrandOne Stop Solutions
Part Number13021
Cap IncludedNO
Core Height14 3/16
Core MaterialPA
Core Row Quantity1
Core Thickness16
Core Thickness5/8
Core Width27 1/16
Down Flow Or Cross Flow TypeDOWNFLOW
Engine Oil Cooler IncludedNO
Engine Oil Cooler TypeNONE
Inlet Diameter1 1/2
Inlet Header Length14 3/16
Inlet Header Width27 1/16
Outlet Diameter1 1/2
Outlet Header Length28 3/16
Outlet Header Width2 3/8
Tank MaterialPLASTIC
Transmission Oil Cooler Diameter1 1/4
Transmission Oil Cooler Distance between Fittings14 3/4
Transmission Oil Cooler IncludedYES
Transmission Oil Cooler TypeCONCENTRIC

This part fits 3 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2008SubaruForester2.5LH4N/A
2007SubaruForester2.5LH4N/A
2006SubaruForester2.5LH4N/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:

45119SA0608012674A13021CU2674

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