Koyorad A13597 Radiator

Koyorad A13597 Radiator for Cadillac CTS

The Koyorad A13597 radiator is an OE-equivalent replacement built for 2014-2019 Cadillac CTS applications. It combines an aluminum core with plastic tanks and an integrated transmission oil cooler to support factory-style cooling performance.

Key Features

• Direct-fit radiator for Cadillac CTS models from 2014-2019
• Aluminum core with 1-row construction
• Plastic tank design for OE-style fitment
• Internal transmission oil cooler included
• Core dimensions: 21.625 in. height, 19.8125 in. width, 1.0625 in. thickness
• Inlet and outlet diameters: 1.3125 in.
• Transmission oil cooler diameter: 1.0625 in. with 4 plate quantity

Product Details

Koyorad Radiator A13597 is engineered as a replacement radiator for the Cadillac CTS, covering 2014-2018 and 2019 model years. Koyorad focuses on OE-equivalent construction and manufacturing consistency, making this radiator a practical choice when replacing a leaking, clogged, or damaged cooling unit. The aluminum core helps transfer heat efficiently, while the integrated internal transmission oil cooler supports vehicles equipped with automatic transmission cooling through the radiator assembly.

The Koyorad radiator line is built around factory-style replacement needs, with dimensions and connection sizes that align with the original cooling system layout. For shoppers searching for a 2014-2019 Cadillac CTS radiator, Cadillac CTS cooling system replacement, or Koyorad A13597 radiator fitment, this part provides a direct application match for the listed vehicles.

Common Problems This Part Can Address

• Coolant leaks from a cracked or aging radiator tank
• Overheating caused by restricted or inefficient heat transfer
• Transmission fluid temperature issues related to a failed internal cooler
• Corrosion or damage in the original radiator core
• Cooling system service needs on a 2014-2019 Cadillac CTS

Installation Notes and Tips

Verify inlet and outlet hose diameters before installation and confirm the vehicle uses the listed internal transmission oil cooler configuration. Drain the cooling system fully, inspect hoses and clamps for wear, and flush the system if contamination is present. After installation, refill with the correct coolant mixture and bleed air from the system according to factory service procedures.

Quality Assurance

Koyorad manufactures OE-equivalent radiators using application-specific engineering and production experience focused on replacement accuracy. This part number, A13597, is built to match the listed Cadillac CTS fitment and cooling-system requirements.