Koyorad A2771 Radiator

Koyorad A2771 Radiator for BMW X3

The Koyorad A2771 radiator is an OE-equivalent replacement built for 2004-2006 BMW X3 and 2007-2010 BMW X3 applications with an external oil cooler. It uses an aluminum core with plastic tanks to match the factory-style cooling layout and support consistent heat transfer.

Key Features

• Part number A2771 for direct reference
• Aluminum core construction
• Single-row core design
• Core dimensions: 22.8125 in. height, 20.375 in. width, 1.0625 in. thickness
• 1.5 in. inlet diameter and 1.75 in. outlet diameter
• Plastic tank material for OE-style fitment
• Compatible with BMW X3 models listed with external oil cooler notes

Product Details

Koyorad Radiator A2771 is part of Koyorad’s radiator line, focused on OE-equivalent replacement cooling components. For BMW X3 owners, this radiator is specified for 2004-2006 BMW X3 and 2007-2010 BMW X3 configurations noted with an external oil cooler. The aluminum core and single-row layout are selected to mirror factory-style cooling performance while maintaining the dimensions needed for proper fitment in the vehicle’s cooling system.

This radiator is a practical choice when replacing a worn or leaking BMW X3 radiator and when maintaining the original cooling system configuration matters. The Koyorad A2771 radiator is built around the listed core size and hose connections to support a straightforward replacement on the covered BMW X3 model years.

What It Helps Address

• Coolant leaks from a damaged radiator core or tank
• Overheating caused by reduced radiator efficiency
• Cracked or aged plastic end tanks
• Restricted coolant flow from internal wear or corrosion
• Cooling system service on BMW X3 models with external oil cooler setup

Installation Notes

Verify radiator dimensions, inlet and outlet sizes, and the external oil cooler configuration before installation. Confirm the vehicle is a 2004-2006 BMW X3 or 2007-2010 BMW X3 with the listed application notes. Transfer and inspect related cooling system components as needed, and refill the system with the correct coolant after installation. Koyorad A2771 should be matched to the factory-style layout for proper fit and function.

Quality Assurance

Koyorad manufactures OE-equivalent radiators using technical experience focused on replacement cooling parts. The Koyorad A2771 radiator is built to meet the dimensional and material requirements expected for the covered BMW X3 applications.