Koyorad A13326 Radiator

Koyorad A13326 Radiator for Impala

The Koyorad A13326 radiator is an OE-equivalent replacement built for 2012-2013 Chevrolet Impala applications. It combines an aluminum core with plastic tanks and an integrated transmission oil cooler to support factory-style cooling performance.

Key Features

• Fits 2012-2013 Chevrolet Impala, N/A
• Aluminum core with 1-row construction
• Plastic tank design
• Core dimensions: 29.3125 in. height, 15.375 in. width, 0.875 in. thickness
• Inlet and outlet diameter: 1.3125 in.
• Internal transmission oil cooler included
• Transmission oil cooler diameter: 1.625 in. with 3 plate quantity
• Part number: A13326

Product Details

Koyorad A13326 is a direct-fit radiator for the 2012-2013 Chevrolet Impala, engineered as an OE-style replacement for the factory cooling system. The aluminum core and single-row layout provide a practical balance of heat transfer and packaging, while the integrated transmission oil cooler supports vehicles equipped with automatic transmission cooling through the radiator assembly. If you are replacing a leaking, clogged, or damaged radiator on a Chevrolet Impala, this part number A13326 is built around the original application dimensions and connection sizes.

Common Reasons to Replace

• Coolant leaks from a cracked or aging radiator tank
• Overheating caused by restricted coolant flow
• Transmission fluid temperature concerns tied to a failing internal cooler
• Corrosion or damage to the radiator core
• Loss of cooling efficiency after long-term wear

Installation Notes and Tips

Verify the inlet and outlet sizes, core dimensions, and transmission cooler configuration before installation. Drain the cooling system fully, inspect hoses and clamps for wear, and confirm the replacement radiator matches the original 2012-2013 Chevrolet Impala layout. After installation, refill with the correct coolant mixture and bleed the system according to factory service procedures.

Quality Assurance

Koyorad manufactures OE-equivalent radiators using technical experience focused on replacement fit and function. The A13326 radiator is built to meet the needs of the listed application with the same general design approach used for factory-style cooling system service.