Koyorad A13551 Radiator

Koyorad A13551 Radiator for Cayenne and Touareg

The Koyorad A13551 radiator is an OE-equivalent replacement built for cooling-system service on select Porsche Cayenne and Volkswagen Touareg models. It uses an aluminum core with plastic tanks and the correct 1.5-inch inlet and outlet diameters for the listed applications.

Key Features

• Aluminum core construction for efficient heat transfer
• Plastic tank design matched to the OE-style replacement format
• Single-row core design
• Core dimensions: 27.5625 in. height, 21.625 in. width, 1.3125 in. thickness
• 1.5 in. inlet and 1.5 in. outlet diameters
• Built for 2011-2017 Porsche Cayenne and 2011-2017 Volkswagen Touareg applications
• Koyorad A13551 radiator for direct-fit cooling system service

Product Details

Koyorad Radiator A13551 is part of Koyorad’s OE-equivalent radiator line, focused on replacement fit and factory-style cooling performance. This radiator is specified with a 27.5625-inch core height, 21.625-inch core width, and 1.3125-inch core thickness, giving it the physical dimensions needed for the listed vehicle applications. The aluminum core and plastic tanks follow a common OE replacement construction used in modern passenger vehicle cooling systems. Fits 2011-2017 Porsche Cayenne and Fits 2011-2017 Volkswagen Touareg, external oil cooler; Koyorad radiator. This part cross-references no additional part numbers in the provided data.

Common Cooling Issues It Can Address

• Cracked or leaking radiator tanks
• Restricted coolant flow from an aging radiator core
• Overheating caused by reduced heat dissipation
• Corrosion or wear in the original cooling assembly
• Replacement needs after coolant contamination or internal blockage

Installation Notes and Tips

Verify inlet and outlet hose sizes, mounting points, and the external oil cooler configuration before installation. Drain the cooling system fully, inspect hoses and clamps, and refill with the correct coolant mixture after the radiator is installed. Bleed air from the system according to factory service procedures to help prevent hot spots and temperature fluctuations.

Quality Assurance

Koyorad manufactures OE-equivalent radiators using technical experience focused on replacement fit and dependable cooling-system service. The A13551 is built to match the listed applications and dimensions for a proper radiator replacement on compatible Porsche Cayenne and Volkswagen Touareg models.