Koyorad A13606 Radiator

Koyorad A13606 Radiator for Cadillac XTS

The Koyorad A13606 radiator is an OE-equivalent replacement built for cooling performance and direct fitment on select Cadillac XTS V-Sport applications. It combines an aluminum core with plastic tanks and an internal transmission oil cooler to support factory-style thermal management.

Compatible with 2013-2019 Cadillac XTS V-Sport applications, this radiator is a practical choice when replacing a leaking, clogged, or damaged cooling unit. The Koyorad Radiator line focuses on replacement parts engineered to match original equipment requirements for fit and function.

Key Features

• Part number: A13606
• Aluminum core with plastic tanks
• Single-row core design
• Core dimensions: 26.75 in. height x 16.3125 in. width x 1.0625 in. thickness
• Inlet diameter: 1.375 in.; outlet diameter: 1.3125 in.
• Internal transmission oil cooler included
• Transmission oil cooler plate quantity: 4
• Built for select Cadillac XTS V-Sport fitment

Product Details

Koyorad manufactures OE-equivalent radiators using application-specific dimensions and materials to support proper cooling system operation. The A13606 radiator is built with a 1-row aluminum core and plastic end tanks, along with an integrated transmission oil cooler for vehicles that route transmission fluid through the radiator assembly. For buyers searching for a Cadillac XTS radiator, Koyorad A13606 offers a direct replacement format for the listed V-Sport applications.

This part cross-references no listed aftermarket part numbers in the provided data.

Common Problems This Radiator Can Address

• Coolant leaks from a cracked or aging radiator
• Restricted coolant flow from internal corrosion or debris
• Overheating caused by reduced heat transfer
• Transmission fluid temperature concerns related to a failing internal cooler
• Physical damage to the radiator core or tanks

Installation Notes

Verify radiator dimensions, inlet and outlet sizes, and transmission cooler connections before installation. Drain coolant safely, inspect hoses and clamps, and confirm the cooling fan, thermostat, and pressure cap are in good condition before installing the new radiator. After installation, refill with the correct coolant mixture and bleed the system according to factory service procedures.

Fits 2013 Cadillac XTS, N/A, V-Sport; Koyorad Radiator. Fits 2014-2017 Cadillac XTS, N/A. Fits 2018-2019 Cadillac XTS, N/A, V-Sport; Koyorad Radiator.

Quality Assurance

Koyorad is known for producing OE-equivalent replacement radiators with the technical experience needed to build application-specific cooling components. The A13606 is manufactured to support factory-style fitment and cooling system performance for the listed Cadillac XTS models.