Four Seasons 63127 A/C Refrigerant Discharge / Suction Hose Assembly

Four Seasons 63127 A/C Hose Assembly

The Four Seasons 63127 is an A/C refrigerant discharge and suction hose assembly built for HVAC service on select Cadillac ATS models. It combines aluminum and rubber construction with a service port, muffler, and included seal to support a proper refrigerant line repair.

Compatible with 2014-2016 Cadillac ATS, this hose assembly is specified for vehicles with PZEV equipment. Four Seasons hose assemblies are part of the brand’s Hose Assembly line, focused on direct-fit HVAC line service for mobile air conditioning repairs.

Key Features

• Part number 63127
• Discharge and suction line design
• Aluminum / rubber construction
• P-nut fitting on one end and flange on the other
• For R134A and R1234YF refrigerant systems
• Service port included
• Gasket or seal included
• Built with muffler; no bracket included
• Fittings not included

Detailed Description

This Four Seasons 63127 hose assembly is engineered for HVAC refrigerant routing in the 2014-2016 Cadillac ATS, including PZEV-spec vehicles. It is a discharge and suction line assembly designed with aluminum and rubber sections to match the demands of automotive A/C service while maintaining the correct connection style at each end. The service port is included, and the assembly is configured with a muffler for refrigerant flow management.

This part cross-references 212821 and 1534643 for the same application. If you are replacing a worn, leaking, or damaged A/C line on a Cadillac ATS, Four Seasons 63127 provides a direct replacement option for the specified vehicle range.

What It Helps Repair

• A/C refrigerant leaks at the hose assembly
• Cracked or deteriorated rubber sections
• Corrosion or damage at hose-to-line connections
• Loss of refrigerant pressure in the HVAC system
• Service port-related replacement needs during A/C repair

Installation Notes and Tips

Verify the vehicle is a 2014-2016 Cadillac ATS with PZEV specification before ordering. Inspect mating surfaces, seals, and adjacent HVAC components for wear before installation. Because fittings are not included, confirm the existing connection hardware matches the original application and replace any damaged seals during service.

Quality Assurance

Four Seasons states that its mobile A/C products are engineered and tested for long service life, drawing on more than 50 years of HVAC experience. The 63127 hose assembly is built to support reliable refrigerant line service in the specified Cadillac ATS applications.