Four Seasons 66613 A/C Refrigerant Discharge Hose

Overview of Four Seasons Hose Assembly 66613

The Four Seasons Hose Assembly 66613 is designed specifically for Audi S4 and S5 models, providing a reliable A/C refrigerant discharge hose solution. Engineered with durable aluminum and rubber materials, this hose assembly supports high-pressure R134a refrigerant systems without a service port or muffler.

• Constructed from aluminum and rubber for durability and flexibility
• Compatible with R134a refrigerant systems at high pressure
• Includes fittings and green O-rings for secure sealing
• Designed as a direct OE replacement for Audi S4 and S5
• Features a P-nut fitting suction end without a switch or bracket

Four Seasons Hose Assembly Product Line Details

The Four Seasons Hose Assembly product line focuses on providing complete hose assemblies tailored for HVAC systems in various vehicles. This line emphasizes compatibility and quality by including necessary fittings and seals, such as green O-rings, to ensure proper installation and system integrity. The 66613 hose assembly fits within this line as a high-pressure discharge line designed for specific Audi models, maintaining OEM standards without additional components like mufflers or service ports.

Detailed Product Description

This A/C refrigerant discharge hose is built to handle the high-pressure demands of R134a refrigerant systems in Audi S4 and S5 vehicles. The combination of aluminum and rubber materials offers resistance to wear and heat, ensuring long-term performance. The hose assembly includes both fittings and green O-rings (part numbers 24661 and 24682) to provide a secure, leak-free connection. It is designed without a service port or muffler, focusing on a straightforward replacement that matches original equipment specifications. The P-nut fitting suction end facilitates proper connection within the HVAC system.

Common Applications and Issues Addressed

• Replacement of worn or damaged A/C refrigerant discharge hoses in Audi S4 and S5
• Resolving refrigerant leaks caused by cracked or deteriorated hoses
• Restoring proper high-pressure refrigerant flow in the HVAC system
• Eliminating system contamination due to failed seals or fittings
• Maintaining OEM-level performance without additional service ports or brackets

Installation Notes and Tips

• Ensure system is fully depressurized before removing the old hose assembly
• Verify compatibility with Audi S4 and S5 HVAC systems prior to installation
• Use included green O-rings to maintain proper sealing and prevent leaks
• Inspect fittings and connections for damage or corrosion before assembly
• Follow manufacturer torque specifications for P-nut fittings to avoid overtightening

Quality Assurance and Warranty

The Four Seasons Hose Assembly 66613 is an OE replacement part designed to meet or exceed original equipment standards for Audi S4 and S5 vehicles. It undergoes rigorous quality control to ensure durability and proper fitment. This part includes all necessary fittings and seals for a complete installation. Warranty coverage details should be confirmed with the product documentation or supplier.