Four Seasons 55076 A/C Refrigerant Discharge / Suction Hose Assembly

Four Seasons 55076 A/C Hose Assembly

The Four Seasons 55076 hose assembly is an OE replacement A/C refrigerant discharge and suction line for select GM compact and midsize cars. Built with aluminum and rubber construction, it is made for R134a systems and includes the required seals for service-ready replacement work.

This hose assembly is a direct-fit solution for 1987-1991 Buick Century, 1987-1991 Oldsmobile Cutlass Ciera, 1987-1991 Oldsmobile Cutlass Cruiser, 1987-1991 Pontiac 6000, and 1987-1990 Chevrolet Celebrity applications. It is a Four Seasons Hose Assembly part, and part number 55076 is also referenced in OE-style replacement catalogs for the same application.

Key Features

• Part number 55076 A/C refrigerant discharge / suction hose assembly
• Aluminum / rubber construction for HVAC line service
• Designed for R134a refrigerant systems
• OE replacement hose assembly
• Includes gasket or seal and O-rings
• Manifold design with muffler
• Female O-ring discharge and suction ends with UNF O-ring style
• Includes switch port; switch not included
• Fittings not included; bracket not included

Product Details

Four Seasons 55076 is a discharge and suction line assembly used in automotive air conditioning systems where the refrigerant line connects the compressor circuit and related HVAC components. The hose uses aluminum and rubber materials to balance routing flexibility with line durability, and it is configured for R134a refrigerant service. The assembly includes green O-rings and a gasket or seal, along with a manifold and muffler layout for the specified application.

Fitment coverage includes 1987-1991 Buick Century, 1987-1991 Oldsmobile Cutlass Ciera, 1987-1991 Oldsmobile Cutlass Cruiser, 1987-1991 Pontiac 6000, and 1987-1990 Chevrolet Celebrity. If you are replacing a leaking or damaged A/C hose on one of these vehicles, Four Seasons 55076 provides the correct OE-style line configuration for the listed applications.

Common Problems This Part Addresses

• Refrigerant loss from a cracked or leaking A/C hose
• Damaged discharge or suction line connections
• Failed seals or O-rings at the hose ends
• Corrosion or wear in the original HVAC line assembly
• Poor A/C performance caused by a compromised refrigerant path

Installation Notes

• Verify the vehicle’s refrigerant system uses R134a before installation.
• Inspect mating surfaces, ports, and adjacent HVAC components for wear or contamination.
• Confirm the hose routing matches the original line layout before tightening connections.
• Use the included O-rings and seal components during service.
• Transfer any required service-port or switch-related components from the original system if applicable, since the switch is not included.

Quality Assurance

Four Seasons is a recognized HVAC parts brand with OE replacement coverage across a wide range of automotive air conditioning applications. Part number 55076 is built to match the listed vehicle fitment and line configuration for service replacement on the specified Buick, Oldsmobile, Pontiac, and Chevrolet models.