Four Seasons 64181 A/C Evaporator Core - Front

Reliable A/C Evaporator Core for Audi Models

The Four Seasons Evaporator Core 64181 is designed to restore efficient cooling performance in your Audi vehicle's HVAC system. Engineered to meet OEM specifications, this A/C evaporator core ensures proper airflow and temperature control for a comfortable driving experience.

• Compatible with Audi A4, A5, A6, A7, A8, Q5, Q7, Q8, RS5, RS6, RS7, S4, S5, S6, S7, S8, SQ5, SQ7, and SQ8 models
• Includes O-rings for secure sealing
• Male inlet and outlet fitting genders for direct replacement
• Core dimensions: 12" height x 9-1/4" width x 1-7/8" depth (305mm x 235mm x 48mm)
• Parallel type evaporator core for efficient refrigerant flow

About the Four Seasons Evaporator Core Product Line

The Four Seasons Evaporator Core line focuses on delivering precise HVAC components that match original equipment standards. This product line emphasizes durability and compatibility, providing a direct-fit evaporator core that integrates seamlessly with your Audi's air conditioning system. The 64181 part number represents a core designed specifically for a wide range of Audi models, ensuring consistent cooling performance and system reliability.

Product Details and Specifications

The Four Seasons 64181 evaporator core features a parallel flow design, which enhances refrigerant distribution and heat exchange efficiency. Its core dimensions—12 inches in height, 9-1/4 inches in width, and 1-7/8 inches in depth—are engineered to fit precisely within the HVAC housing of compatible Audi vehicles. Both the inlet and outlet fittings are male, facilitating straightforward installation and connection to existing lines. The included O-rings help maintain a tight seal, preventing refrigerant leaks and ensuring system integrity.

Common Applications and Problem Resolution

• Restores cooling efficiency in Audi A4, A5, A6, and Q5 models experiencing reduced A/C performance
• Replaces leaking or clogged evaporator cores causing refrigerant loss
• Addresses unpleasant odors or moisture buildup inside the HVAC system
• Eliminates inconsistent cabin temperatures due to faulty evaporator cores
• Supports proper airflow and prevents compressor strain in Audi S and RS series vehicles

Installation Notes and Tips

When installing the Four Seasons Evaporator Core 64181, ensure the HVAC system is fully evacuated and depressurized before removal of the old core. Verify that the male inlet and outlet fittings align correctly with the vehicle’s refrigerant lines. Replace all O-rings included with the part to maintain a secure, leak-free connection. It is recommended to inspect the entire A/C system for contamination or damage during replacement to avoid premature failure.

Quality Assurance and Warranty

Four Seasons manufactures the 64181 evaporator core to meet strict quality standards, ensuring reliable performance and durability. This part is backed by Four Seasons’ warranty coverage, providing assurance against defects in materials and workmanship under normal use. Refer to Four Seasons’ warranty policy for specific terms and conditions.