Four Seasons 66990 A/C Refrigerant Suction Hose

Four Seasons 66990 A/C Suction Hose

The Four Seasons 66990 A/C refrigerant suction hose is built for Volkswagen Golf and Jetta applications that use R1234yf refrigerant. This hose assembly combines aluminum and rubber construction with an included gasket or seal and service port for a direct-fit HVAC repair.

Four Seasons Hose Assembly products are part of a long-running mobile A/C line focused on dependable replacement components for refrigerant routing and system service. The 66990 hose assembly is made for the suction side of the air conditioning system and is listed without a muffler, bracket, or switch service port.

• Aluminum / rubber hose assembly for A/C refrigerant suction service
• Includes gasket or seal
• Service port included
• Built for R134A and R1234yf refrigerant systems
• Without muffler, bracket, or switch service port
• Direct replacement for Volkswagen Golf and Volkswagen Jetta HVAC service

Detailed Product Information

Four Seasons 66990 is an A/C refrigerant suction hose assembly engineered for vehicles using modern refrigerant routing requirements. It is listed for 2019-2021 Volkswagen Golf, 2019-2021 Volkswagen Jetta, and 2019 Volkswagen Golf SportWagen with R1234yf. This part number 66990 is also cross-referenced by Continental 66990 for the same application.

The aluminum and rubber construction supports the demands of the suction side of the HVAC system, while the included seal and service port help simplify replacement of a worn or leaking hose assembly. If you are searching for a 2019-2021 Volkswagen Golf A/C suction hose or a 2019-2021 Volkswagen Jetta refrigerant hose assembly, Four Seasons 66990 is the listed OE-style replacement.

Common Problems This Part Can Address

• Refrigerant loss from a cracked or leaking suction hose
• Damaged hose connections at the A/C line service point
• Corrosion or wear in the original aluminum/rubber hose assembly
• Poor A/C performance caused by suction-side leakage
• Service issues on Volkswagen Golf, Jetta, or Golf SportWagen HVAC systems

Installation Notes and Tips

Verify refrigerant type before installation; this hose assembly is listed for R134A and R1234yf systems. Confirm the vehicle application by year, make, and model before ordering, and inspect mating surfaces, seals, and adjacent A/C components for wear or contamination during replacement. Proper evacuation, leak checking, and recharge procedures should be followed after installation.

Quality Assurance

Four Seasons states that its products are engineered and tested for years of trouble-free operation, drawing on more than 50 years of mobile A/C experience. Part number 66990 is built to meet the needs of the listed Volkswagen Golf and Volkswagen Jetta applications with a focus on reliable HVAC service.