Four Seasons 54909 A/C Evaporator Core

Reliable A/C Evaporator Core for Audi and Volkswagen Models

The Four Seasons Evaporator Core 54909 is engineered to restore efficient cooling performance in select Audi and Volkswagen vehicles. Designed with precision, this A/C evaporator core ensures proper fitment and reliable operation for models including the Audi A4, A4 Quattro, S4, and Volkswagen Passat.

Key Features of Four Seasons Evaporator Core 54909

• Constructed from durable aluminum for corrosion resistance and heat transfer efficiency
• Plate & fin core type for optimized airflow and cooling capacity
• Dimensions approximately 7.9375 inches wide, 10.4375 inches high, and 2.625 inches deep
• Equipped with block inlet and outlet fittings for secure HVAC system connections
• Includes two green O-rings ([24608] and [24612]) to ensure leak-free sealing

Detailed Description of the Evaporator Core

This Four Seasons Evaporator Core from the Evaporator Core product line is designed to meet the exact specifications required by Audi and Volkswagen HVAC systems. The core measures roughly 201.6 mm in width, 265.1 mm in height, and 60.3 mm in depth, providing a precise fit for the A4, A4 Quattro, S4, and Passat models. Its plate and fin construction enhances heat exchange efficiency, while the aluminum material offers durability and resistance to corrosion. The block fitting inlet and outlet types facilitate straightforward installation and secure connections within the vehicle’s air conditioning system. The included green O-rings help maintain a tight seal, preventing refrigerant leaks and ensuring consistent cooling performance.

Common Issues Addressed by This Evaporator Core

• Reduced or inconsistent air conditioning cooling in Audi A4, A4 Quattro, S4, and Volkswagen Passat
• Leaks or damage in the evaporator core causing refrigerant loss
• Corrosion or clogging within the evaporator core affecting airflow
• Unusual odors or moisture buildup inside the vehicle cabin
• HVAC system inefficiency due to worn or faulty evaporator components

Installation Notes and Tips

• Ensure compatibility with your specific Audi or Volkswagen model before installation
• Handle the evaporator core carefully to avoid damage to the aluminum fins
• Replace O-rings with the included green O-rings to maintain proper sealing
• Inspect the HVAC system for additional issues such as clogged drains or damaged hoses
• Professional installation is recommended to ensure proper fit and function

Quality Assurance and Warranty Information

Four Seasons manufactures this evaporator core to meet OEM standards for fit, form, and function. The use of high-quality aluminum and precise manufacturing processes supports long-term durability. While specific warranty details are not provided here, Four Seasons products typically come with a limited warranty against defects in materials and workmanship. Consult product documentation or the manufacturer for exact warranty terms.