Four Seasons 66704 A/C Refrigerant Suction Hose

Overview of Four Seasons Hose Assembly 66704

The Four Seasons Hose Assembly 66704 is designed specifically for Volkswagen Passat models requiring a reliable A/C refrigerant suction hose. Constructed with durable aluminum and rubber materials, this hose assembly ensures efficient refrigerant flow and system integrity for vehicles using R134-a refrigerant.

• Material: Aluminum and rubber construction for durability and flexibility
• End Types: Both ends feature P-nut fittings for secure connections
• Refrigerant Compatibility: Designed for R134-a refrigerant systems
• Includes gasket and fittings for proper sealing and installation
• Service Port: Equipped with a 13 mm low side service port for maintenance
• O-Rings Included: Green round O-ring [24635] and slimline washer [24404]
• OE Replacement: Yes, meets original equipment specifications
• Compatible Vehicle: Volkswagen Passat

About the Four Seasons Hose Assembly Product Line

The Four Seasons Hose Assembly line focuses on delivering complete hose solutions for automotive HVAC systems. This product line includes assemblies that combine multiple components such as hoses, fittings, and seals to provide a ready-to-install solution. The 66704 hose assembly is part of this line, offering a pre-assembled suction line that simplifies replacement and ensures compatibility with Volkswagen Passat A/C systems.

Detailed Product Description

The Four Seasons 66704 A/C refrigerant suction hose is engineered to maintain optimal refrigerant flow within the HVAC system of Volkswagen Passat vehicles. Featuring aluminum and rubber materials, the hose balances strength and flexibility to withstand pressure and temperature variations. Both ends utilize P-nut fittings, providing secure and leak-resistant connections. The included gasket and fittings ensure a proper seal, while the service port allows for convenient system servicing. This hose assembly is designed without a bracket or muffler, focusing on essential functionality and ease of installation.

Common Applications and Issues Addressed

• Replacement of worn or cracked suction hoses in Volkswagen Passat A/C systems
• Resolving refrigerant leaks caused by damaged fittings or seals
• Restoring proper refrigerant flow to improve A/C system performance
• Addressing low refrigerant pressure issues on the low side of the system
• Upgrading to an OE replacement hose assembly for reliable HVAC operation

Installation Notes and Tips

• Ensure the vehicle is compatible: Volkswagen Passat models using R134-a refrigerant
• Verify that all included O-rings and gaskets are properly seated to prevent leaks
• Use appropriate tools to tighten P-nut fittings without over-torquing
• Inspect the service port for accessibility during installation and future maintenance
• Follow manufacturer guidelines for refrigerant handling and system evacuation

Quality Assurance and Warranty

The Four Seasons Hose Assembly 66704 is an OE replacement part, meeting original equipment standards for fit, form, and function. It includes all necessary fittings and seals to ensure a reliable installation. While specific warranty details are not provided here, Four Seasons products typically come with a limited warranty covering defects in materials and workmanship. Users should consult product documentation or the manufacturer for exact warranty terms.