Four Seasons 66305 A/C Refrigerant Suction Hose - Front

Overview of Four Seasons Hose Assembly 66305

The Four Seasons Hose Assembly 66305 is designed specifically for the HVAC system of select Audi and Volkswagen models. This A/C refrigerant suction hose ensures reliable low-pressure refrigerant flow, compatible with R134a systems. Engineered with durable aluminum and rubber materials, it provides a precise fit for Audi Q5, Q7, and Volkswagen Touareg vehicles.

• Constructed from aluminum and rubber for durability and flexibility
• Equipped with P-nut fittings on both ends for secure connections
• Compatible with R134a refrigerant type
• Includes green O-rings [24606] and [24681] for proper sealing
• Designed as a low-pressure suction line without a service or switch port
• OE replacement part ensuring factory-level fit and function
• Fittings included, no bracket or muffler included

Four Seasons Hose Assembly Product Line Details

The Four Seasons Hose Assembly product line focuses on delivering reliable hose assemblies tailored for HVAC systems. This line emphasizes compatibility with original equipment specifications, ensuring that each hose assembly, including part number 66305, meets the demands of modern vehicle air conditioning systems. The assemblies are designed to maintain system integrity and refrigerant flow without additional components like brackets or mufflers, streamlining installation and maintenance.

Detailed Product Description

The Four Seasons 66305 A/C refrigerant suction hose is a critical component in the air conditioning system of Audi Q5, Q7, and Volkswagen Touareg models. It functions as a low-pressure suction line, facilitating the movement of R134a refrigerant through the system. Both ends feature P-nut fittings, providing a secure and leak-resistant connection. The hose assembly includes green O-rings [24606] and [24681] to ensure a tight seal and prevent refrigerant loss. This part does not include a service port, switch, bracket, or muffler, reflecting its role as a straightforward suction line replacement. The combination of aluminum and rubber materials offers durability while maintaining flexibility to withstand system pressures and vibrations.

Common Issues Addressed by This Hose Assembly

• Leaks in the A/C refrigerant suction line causing reduced cooling efficiency
• Cracks or wear in original suction hoses leading to refrigerant loss
• Failure of O-rings resulting in system pressure drops
• Corrosion or damage to fittings causing connection failures
• Replacement of worn or damaged suction lines in Audi Q5, Q7, and Volkswagen Touareg HVAC systems

Installation Notes and Tips

• Ensure system is fully depressurized before removal to avoid refrigerant exposure
• Verify compatibility with Audi Q5, Q7, or Volkswagen Touareg models prior to installation
• Replace included green O-rings to maintain proper sealing and prevent leaks
• Use appropriate tools to tighten P-nut fittings without over-torquing
• Inspect surrounding components for wear or damage during installation

Quality Assurance and Warranty

The Four Seasons Hose Assembly 66305 is an OE replacement part manufactured to meet original equipment standards. It undergoes rigorous quality control to ensure durability and proper fitment in compatible Audi and Volkswagen models. The product includes all necessary fittings and sealing components for a complete installation. Warranty details are provided by Four Seasons and typically cover defects in materials and workmanship under normal use conditions.