Koyorad A2813 Radiator

Koyorad A2813 Radiator for Ram Trucks

The Koyorad A2813 radiator is an OE-equivalent replacement built for 2004-2009 Dodge Ram 1500, 2500, and 3500 applications. It uses an aluminum core with plastic tanks to match the factory-style cooling layout and support dependable heat transfer in daily driving and towing conditions.

Key Features

• Fits 2004-2009 Dodge Ram 1500, N/A
• Fits 2004-2009 Dodge Ram 2500, N/A, External Oil Cooler
• Fits 2004-2009 Dodge Ram 3500, N/A, External Oil Cooler
• Part number A2813 for direct catalog matching
• Aluminum core construction with a single-row design
• Core dimensions: 24.125 in. height, 20.0625 in. width, 1.5625 in. thickness
• Inlet diameter: 1.5 in.; outlet diameter: 1.75 in.
• Plastic tank material for OE-style fitment

Product Details

Koyorad Radiator A2813 is part of Koyorad’s radiator line focused on OE-equivalent replacements. Koyorad uses technical manufacturing experience to produce radiators that match factory-style requirements for cooling system service. For Ram owners searching for a 2004-2009 Dodge Ram 1500 radiator or a 2004-2009 Dodge Ram 2500 radiator with external oil cooler, this unit provides a direct replacement option built around the listed core size and hose connections.

The aluminum core and single-row layout are paired with plastic tanks to follow the original equipment format used on these Ram truck applications. The A2813 radiator is also listed for 2004-2009 Dodge Ram 3500 models with an external oil cooler, making it a focused fitment choice for trucks that need the correct cooling-system configuration.

Common Reasons for Replacement

• Coolant leaks from a damaged radiator tank or core
• Overheating caused by restricted coolant flow
• Corrosion or age-related wear in the cooling system
• Cracked inlet or outlet connections
• Poor heat dissipation from a failing factory radiator

Installation Notes and Tips

Verify radiator dimensions, inlet and outlet sizes, and cooling-system configuration before installation. This part cross-references OE-style radiator applications for the same vehicle platform. On Ram 2500 and Ram 3500 models, confirm the external oil cooler setup matches the listed fitment notes. Inspect hoses, clamps, and coolant condition during replacement to help complete the repair correctly.

Quality Assurance

Koyorad manufactures OE-equivalent radiators using application-specific engineering and production experience. The A2813 is built to meet the fitment and construction requirements expected for factory-style radiator replacement on the listed Dodge Ram trucks.