Four Seasons 66990 A/C Refrigerant Suction Hose

Reliable A/C Refrigerant Suction Hose for Volkswagen Models

The Four Seasons Hose Assembly 66990 is designed to maintain optimal HVAC performance in Volkswagen vehicles. Engineered for compatibility with Volkswagen Golf, Golf SportWagen, and Jetta models, this A/C refrigerant suction hose ensures efficient refrigerant flow and system reliability.

• Constructed from durable aluminum and rubber materials for long-lasting use
• Compatible with R134a and R1234yf refrigerants
• Includes gasket or seal for secure connections
• Equipped with a service port for easy maintenance
• Designed without a muffler and bracket for straightforward installation

About the Four Seasons Hose Assembly Product Line

The Hose Assembly line by Four Seasons focuses on delivering precise HVAC hose solutions tailored to specific vehicle requirements. This product line emphasizes quality materials and fitment accuracy, ensuring that each hose assembly, including part number 66990, meets the demands of Volkswagen HVAC systems without unnecessary components like brackets or mufflers.

Product Details and Specifications

The Four Seasons 66990 A/C refrigerant suction hose combines aluminum and rubber to provide a balance of flexibility and strength. It supports both R134a and R1234yf refrigerants, making it suitable for modern Volkswagen HVAC systems. The included gasket or seal helps prevent leaks, while the integrated service port allows for convenient system servicing. This hose assembly is designed without a bracket or muffler, simplifying installation and reducing potential points of failure.

Common Applications and Issues Addressed

• Replacement of worn or damaged refrigerant suction hoses in Volkswagen Golf, Golf SportWagen, and Jetta
• Resolving refrigerant leaks caused by cracked or deteriorated hose materials
• Improving A/C system efficiency by restoring proper refrigerant flow
• Addressing service port accessibility issues during HVAC maintenance
• Upgrading to a hose compatible with both R134a and R1234yf refrigerants

Installation Notes and Tips

When installing the Four Seasons Hose Assembly 66990, ensure the gasket or seal is properly seated to prevent refrigerant leaks. Since this hose does not include a bracket or muffler, verify that the hose routing matches the original equipment to avoid contact with moving parts or heat sources. Use appropriate tools to connect the service port securely and check for leaks after installation.

Quality Assurance and Warranty

Four Seasons manufactures the 66990 hose assembly to meet OEM standards for fit and function. The use of aluminum and rubber materials ensures durability under typical operating conditions. This part includes a gasket or seal to maintain system integrity. Warranty details are provided by Four Seasons and typically cover defects in material and workmanship.