Koyorad A13599 Radiator

Koyorad A13599 Radiator Overview

The Koyorad A13599 radiator is an OE-equivalent replacement built for select Chevrolet Camaro and Cadillac CTS applications. It combines an aluminum core with plastic tanks and integrated cooling circuits for engine oil and transmission oil, making it a direct-fit solution for vehicles that need a radiator with multiple cooler functions.

Koyorad Radiator products are developed with the technical experience needed to replace the original unit with a precise, application-specific design. This A13599 radiator is built around the listed core dimensions and cooler specifications for a proper fit in the confirmed vehicle applications.

Key Features

• Aluminum core construction with plastic tanks
• 2-row core design for OE-style cooling capacity
• Core dimensions: 22.625 in. height, 21.4375 in. width, 1.4375 in. thickness
• Includes internal engine oil cooler and internal transmission oil cooler
• Engine oil cooler diameter: 1.625 in. with 3 plates
• Transmission oil cooler diameter: 1.0625 in. with 4 plates
• Inlet and outlet diameter: 1.375 in.
• Part number A13599 for application-specific ordering and replacement

Detailed Description

The Koyorad A13599 is an OE-equivalent radiator engineered for cooling-system replacement on 2016-2017 Chevrolet Camaro, 2016-2017 Cadillac CTS, and 2018-2021 Chevrolet Camaro ZL1 Package vehicles with engine oil cooler included. Its integrated internal engine oil cooler and internal transmission oil cooler help maintain the factory-style cooling layout while matching the listed connection sizes and core dimensions. For buyers searching for a Chevrolet Camaro radiator or Cadillac CTS radiator replacement, A13599 provides a focused fitment match rather than a universal design.

Koyorad Radiator A13599 is a practical choice when the original radiator has developed leaks, reduced cooling performance, or cooler-related failure. The aluminum core supports efficient heat transfer, while the plastic tank construction follows common OE replacement architecture for these platforms.

What This Radiator Helps Address

• Coolant leaks from a damaged or aging radiator
• Overheating caused by restricted or inefficient heat exchange
• Transmission fluid temperature concerns tied to a failing internal cooler
• Engine oil cooling issues in applications equipped with an internal oil cooler
• Fitment problems from using a non-matching replacement radiator

Installation Notes and Fitment

• Fits 2018-2021 Chevrolet Camaro, N/A, with engine oil cooler included and ZL1 Package
• Fits 2016-2017 Chevrolet Camaro, N/A
• Fits 2018-2019 Cadillac CTS, N/A
• Fits 2016-2017 Cadillac CTS, N/A

Verify hose connections, cooler line routing, and radiator dimensions against the original unit before installation. Confirm that the vehicle is equipped with the listed engine oil cooler and, where applicable, the ZL1 Package. This part cross-references OE-style radiator applications for the same vehicle platforms.

Quality Assurance

Koyorad manufactures OE-equivalent radiators using application-specific engineering and cooling-system experience to support accurate replacement fitment. Part number A13599 is built to match the confirmed specifications for the listed Chevrolet Camaro and Cadillac CTS applications.