Koyorad CD440577 A/C Condenser

Koyorad CD440577 A/C Condenser Overview

The Koyorad CD440577 is an OE-equivalent A/C condenser built for Audi A4 and Audi S4 applications from 2004-2009. It uses an aluminum tube-fin core to support efficient heat transfer and consistent air conditioning performance in the vehicle’s HVAC system.

As part of the Koyorad A/C Condenser line, this replacement condenser is engineered with the technical fit and construction expected for direct-fit cooling system service on Audi A4 Quattro and Audi S4 models.

Key Features

• Tube-fin condenser core for efficient refrigerant heat exchange
• Aluminum core material for lightweight corrosion-resistant construction
• Core dimensions: 22.3125 in. length, 16 in. width, 0.625 in. thickness
• Painted on both sides for added surface protection
• OE-equivalent replacement for Audi A4, Audi A4 Quattro, and Audi S4 fitments
• Part number: CD440577

Detailed Description

Koyorad CD440577 condenser is built for 2004-2009 Audi A4 and Audi A4 Quattro models, plus 2004-2007 Audi S4 applications. The aluminum tube-fin design supports refrigerant cooling in the front HVAC system, helping restore proper A/C condenser function when the original unit is damaged, leaking, or restricted. Koyorad’s replacement approach focuses on OE-style construction and application-specific fitment, making this condenser a direct service part for Audi cooling system repair.

The Koyorad A/C Condenser product line is aimed at replacement parts that match factory-style dimensions and materials for straightforward HVAC service. If you are searching for a Koyorad CD440577 condenser for Audi A4 Quattro or Audi S4, this unit provides the core size and construction details needed for a proper replacement selection.

What This Part Helps Address

• Refrigerant leaks caused by a damaged condenser core
• Reduced A/C cooling from restricted airflow through the condenser
• Corrosion or physical damage to the original condenser assembly
• Loss of cabin cooling performance in Audi A4 and Audi S4 models
• HVAC service needs after front-end cooling system repair

Installation Notes and Tips

Verify condenser dimensions and port alignment against the original unit before installation. This part does not include a drier, mounting hardware, or an oil cooler. Proper evacuation, leak checking, and refrigerant recharge procedures should be followed after installation to restore system operation.

Quality Assurance

Koyorad manufactures OE-equivalent condensers using application-focused engineering and replacement-grade materials. The CD440577 is built to support factory-style service on Audi A4, Audi A4 Quattro, and Audi S4 applications.