One Stop Solutions 13477 Radiator

Radiator for Lexus IS300, IS350, IS250

Replace a worn or leaking cooling unit with this One Stop Solutions radiator, part number 13477. It is built for direct-fit service on select Lexus IS300, IS350, and IS250 applications, with OE-style performance and a drop-in fit for straightforward replacement.

Key Features

• Core thickness: 16 mm (5/8 in.)
• PA core material
• No transmission oil cooler
• No engine oil cooler
• Cap not included
• Factory-spec fitted and torqued components
• Premium tubes, fins, headers, and tanks for added durability
• Engineered improvements for better cooling and longer service life
• 100% tested during production, including core and cooler checks

Product Details

One Stop Solutions 13477 is a replacement radiator engineered for direct installation and OE-level function. It is designed for 2018 Lexus IS300 and IS350 models built to 10/17, 2016-2017 Lexus IS300, 2014-2017 Lexus IS350, and 2014-2015 Lexus IS250. The radiator uses a PA core and a 16 mm core thickness to support efficient heat transfer in daily driving conditions. This part cross-references Spectra Premium CU13477 for the same application.

Common Cooling System Issues It Can Address

• Coolant leaks from a damaged or aging radiator
• Overheating caused by restricted or inefficient heat exchange
• Reduced cooling performance in higher-mileage Lexus IS300, IS350, or IS250 vehicles
• Cracked tanks, weakened seams, or worn core components
• Fitment problems from a radiator that no longer matches factory dimensions

Installation Notes

Compatible With 2018 Lexus IS300, N/A, to 10/17; 2018 Lexus IS350, N/A, to 10/17; 2016-2017 Lexus IS300, N/A; 2014-2017 Lexus IS350, N/A; and 2014-2015 Lexus IS250, N/A. Verify vehicle build date and cooling-system configuration before installation. This radiator is supplied without a cap and does not include transmission or engine oil cooler provisions.

Quality Assurance

One Stop Solutions tests complete radiators up to three times during production. The core is checked before assembly, the cooler circuits are tested before installation into the tank, and the finished unit is tested again after assembly. The design also incorporates updates aimed at addressing original failure points and improving durability in higher-mileage vehicles. Part number 13477 is also listed under interchange reference 1640031870 and A13477.