Part #: RA13458C

Universal Air RA13458C Radiator

Downflow Radiator
⚙️ 5 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$123.23Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
🔥
✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
📦Downflow Radiator
🚗Fitment: Subaru, WRX STI
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Universal Air Downflow Radiator for Subaru WRX STI

The Universal Air Downflow Radiator RA13458C is designed specifically for Subaru WRX STI models, providing reliable cooling performance. This radiator is engineered to maintain optimal engine temperatures under demanding driving conditions.

  • Compatible with Subaru WRX STI vehicles
  • Part number RA13458C for precise identification
  • Downflow radiator design for efficient heat dissipation
  • Constructed to meet OEM specifications
  • Category: Radiators, Coolers and Related Components

About the Downflow Radiator Product Line

The Downflow Radiator line by Universal Air features radiators designed with a vertical coolant flow path, enhancing heat exchange efficiency. This design supports effective engine cooling by directing coolant downward through the core, which can improve thermal management in performance-oriented vehicles like the Subaru WRX STI. The RA13458C is part of this line, ensuring compatibility and performance consistency.

Product Details and Specifications

The RA13458C radiator is tailored for the Subaru WRX STI, ensuring a direct fit and reliable operation. Its downflow design facilitates efficient coolant circulation, helping to prevent overheating during high-performance driving or extended use. Manufactured to meet industry standards, this radiator supports the vehicle’s cooling system by maintaining stable engine temperatures and reducing the risk of thermal stress.

Common Applications and Problem Solving

  • Replaces damaged or leaking radiators in Subaru WRX STI models
  • Addresses engine overheating issues caused by inefficient cooling
  • Improves coolant flow and heat dissipation in performance driving
  • Restores proper engine temperature regulation after radiator failure
  • Supports cooling system upgrades for enhanced vehicle reliability

Installation Notes and Tips

Installation of the Universal Air RA13458C radiator should be performed by a qualified technician familiar with Subaru WRX STI cooling systems. Ensure all coolant lines and mounting points are properly secured to prevent leaks. It is recommended to flush the cooling system before installation to remove debris and contaminants. Verify compatibility with the vehicle’s year and model prior to installation.

Quality Assurance and Warranty

Universal Air manufactures the RA13458C radiator to meet strict quality standards, ensuring durability and performance. While specific warranty details are not provided, Universal Air products typically adhere to industry norms for replacement parts. For warranty information, consult the product documentation or contact the manufacturer directly.

This part fits 5 vehicles. Search below:

YearMakeModelSubmodelPositionNotes
2020SubaruWRX STIBaseN/ADownflow Radiator
2020SubaruWRX STISportN/ADownflow Radiator
2019SubaruWRX STIN/ADownflow Radiator
2016SubaruWRX STIN/ADownflow Radiator
2013SubaruWRX STIN/ADownflow Radiator

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.