Koyorad A13843 Radiator

Koyorad A13843 Radiator Overview

The Koyorad A13843 radiator is an OE-equivalent replacement built for direct-fit cooling system service on select Cadillac, Chevrolet, and GMC trucks and SUVs. It is sized to match the listed application and supports dependable heat transfer for daily driving, towing, and stop-and-go use.

Koyorad Radiator products are developed with the technical experience needed to produce replacement radiators that align with original equipment expectations for fit and function. The A13843 is a practical choice when you need a radiator replacement for a 2019-2024 Chevrolet Silverado 1500, 2019-2023 GMC Sierra 1500, or 2021-2024 GMC Yukon application.

Key Features

• OE-equivalent radiator replacement from Koyorad
• Core height: 34.9375 in.
• Core width: 20.0625 in.
• Core thickness: 1.0625 in.
• Direct-fit cooling component for listed Cadillac, Chevrolet, and GMC applications
• Part number A13843 for easy identification

Detailed Description

The Koyorad A13843 radiator is engineered as a replacement cooling component for vehicles that require a radiator with the listed core dimensions and application coverage. Its OE-style construction supports proper coolant flow and heat dissipation in vehicles such as the Chevrolet Silverado 1500, GMC Sierra 1500, Cadillac Escalade, Chevrolet Tahoe, GMC Yukon, and GMC Yukon XL. If you are searching for a radiator for a 2021-2024 Chevrolet Tahoe or a 2021-2024 Cadillac Escalade, this part number A13843 is the relevant match to review.

This part cross-references 13843 for the same application.

What It Helps Address

• Overheating caused by a worn or inefficient radiator
• Coolant temperature instability during heavy driving or towing
• Leaks from an aging radiator core or tank assembly
• Reduced cooling performance in high-mileage vehicles
• Replacement needs after radiator damage or corrosion

Installation Notes and Tips

Verify radiator dimensions, hose connections, and mounting points against the original unit before installation. Drain and refill the cooling system with the correct coolant specification for the vehicle, then bleed air from the system according to factory service procedures. Confirm fan operation, thermostat function, and hose condition during radiator replacement to help protect the new component.

Quality Assurance

Koyorad manufactures OE-equivalent radiators using application-specific engineering and replacement-focused design standards. The A13843 is intended to provide a direct replacement option for the listed vehicles while maintaining the fit and cooling performance expected from a quality radiator service part.

Compatible Vehicles

• Fits 2021-2024 Cadillac Escalade, N/A
• Fits 2019-2024 Chevrolet Silverado 1500, N/A
• Fits 2021-2024 Chevrolet Tahoe, N/A
• Fits 2021-2024 GMC Yukon, N/A
• Fits 2021-2024 GMC Yukon XL, N/A
• Fits 2019-2023 GMC Sierra 1500, N/A