Four Seasons 55486 A/C Refrigerant Discharge / Suction Hose Assembly

Four Seasons 55486 A/C Hose Assembly

The Four Seasons 55486 hose assembly is an OE replacement A/C refrigerant discharge and suction line for select 1991 Chevrolet Cavalier and 1991 Pontiac Sunbird applications. Built with aluminum and rubber construction, it is configured for R134a systems and includes the required seals and O-rings for the connection points.

Four Seasons Hose Assembly parts are built for direct-fit HVAC service, with application-specific routing and end styles that match the original system layout. This 55486 assembly includes a manifold and muffler, and it is made for vehicles that use female UNF O-ring connections on both the discharge and suction ends.

Key Features

• Part number 55486 A/C refrigerant discharge / suction hose assembly
• OE replacement design for HVAC service
• Aluminum / rubber construction
• R134a refrigerant type
• Female O-ring discharge end and female O-ring suction end
• Manifold included with muffler
• Gasket or seal included
• O-rings included with green O-ring seals
• No service port, switch port, or bracket
• Fittings not included

Detailed Description

Four Seasons 55486 is an A/C discharge and suction hose assembly designed for HVAC repair on the 1991 Chevrolet Cavalier and 1991 Pontiac Sunbird. The hose uses aluminum and rubber materials for the line construction and is set up for R134a refrigerant systems. Its female UNF O-ring ends and OE replacement configuration support proper connection to the original air conditioning layout.

This hose assembly includes a manifold and muffler, along with the necessary seals and green O-rings for the specified connection points. If you are replacing a leaking or damaged A/C line on a 1991 Chevrolet Cavalier or 1991 Pontiac Sunbird, Four Seasons 55486 provides the correct style of discharge and suction line for the application. This part cross-references Gates 51707 for the same application.

Common Problems This Part Can Address

• A/C refrigerant loss from a cracked or leaking hose assembly
• Damaged discharge or suction line connections
• Corrosion or wear in the original HVAC hose routing
• Poor A/C system performance caused by line leakage
• Failed seals or O-rings at the hose connection points

Installation Notes and Tips

Verify the vehicle’s refrigerant system configuration before installation, including the R134a setup and female O-ring connection style. Replace the line only after the system has been properly evacuated, and inspect mating surfaces for wear or contamination before installing the included seals and O-rings. Confirm fitment for 1991 Chevrolet Cavalier and 1991 Pontiac Sunbird applications before service.

Quality Assurance

Four Seasons supplies HVAC replacement components with OE-style fitment and application-specific construction. Part number 55486 is an OE replacement hose assembly built for the listed vehicle applications and refrigerant type.