One Stop Solutions 13450 Radiator

Radiator for Toyota Highlander Cooling Service

This One Stop Solutions radiator, part number 13450, is built for 2014-2016 Toyota Highlander models without tow package. It features a downflow design with a plastic tank construction and a PA core for direct-fit cooling system service. Part number 13450 is also cross-referenced to Spectra Premium CU13450 for the same application.

Key Features

• Fits 2014-2016 Toyota Highlander, N/A, wo/TOW
• Downflow radiator design with 20 11/16 in. core height and 29 7/16 in. core width
• 5/8 in. core thickness with a single-row core layout
• PA core material with plastic tanks for OE-style construction
• Transmission oil cooler included with plated cooler type
• 1 3/8 in. inlet and outlet diameters for system connection
• Factory-style fitment with fitted and torqued components to factory specifications
• Part number 13450 for radiator replacement and cooling system repair

Detailed Description

One Stop Solutions 13450 is a replacement radiator engineered for the Toyota Highlander cooling system. It uses a downflow layout, plastic tanks, and a PA core to match the original radiator configuration while supporting transmission cooling through the integrated plated oil cooler. The core measures 20 11/16 inches high, 29 7/16 inches wide, and 5/8 inch thick, with 1 3/8 inch inlet and outlet connections. This radiator is intended for 2014, 2015, and 2016 Toyota Highlander models without tow package, and part number 13450 is also listed as a cross-reference to Spectra Premium CU13450.

Common Problems This Radiator Can Address

• Coolant leaks from aged plastic tanks or worn radiator seams
• Overheating caused by restricted or damaged radiator flow
• Transmission temperature concerns related to a failing cooler circuit
• Reduced cooling efficiency from a clogged or corroded core
• Fitment issues when replacing a damaged Toyota Highlander radiator

Installation Notes and Tips

Verify vehicle configuration before installation: this radiator is listed for 2014-2016 Toyota Highlander models without tow package. Confirm inlet and outlet hose sizes, cooler line routing, and mounting points against the original unit before removal. Flush the cooling system, inspect hoses and clamps, and check transmission cooler lines for contamination or wear before installing the new radiator.

Quality Assurance

OSC radiators are tested during production, including cooler testing before tank installation, core testing before assembly, and a final test after assembly. The design also incorporates engineering updates aimed at improving cooling performance and service life in higher-mileage vehicles.