Four Seasons 55074 A/C Refrigerant Discharge / Suction Hose Assembly

OE A/C Hose Assembly for Camaro and Firebird

Four Seasons 55074 is an OE replacement A/C refrigerant discharge and suction hose assembly for select 1982-1984 Chevrolet Camaro and Pontiac Firebird applications. Built with aluminum and rubber construction for R134a systems, it is specified as a manifold-style hose assembly with female O-ring ends and included seals.

Key Features

• Part number 55074 from Four Seasons Hose Assembly line
• OE replacement A/C refrigerant discharge / suction hose assembly
• Aluminum / rubber construction
• Configured for R134a refrigerant
• Manifold-style design with UNF O-ring female ends
• Gasket or seal included
• O-rings included; green O-ring seals specified for the connection points
• Without service port, switch port, bracket, muffler, or fittings

Product Details

Four Seasons 55074 is built for HVAC service where the discharge and suction line assembly must match OE routing and connection style. It uses aluminum and rubber materials to combine rigidity at the line sections with flexibility where the hose assembly needs to route through the engine bay. This hose assembly is intended for R134a refrigerant systems and uses female UNF O-ring connections at both ends for a secure seal at the manifold interface.

Compatible With 1982-1984 Chevrolet Camaro and 1982-1984 Pontiac Firebird, this Four Seasons 55074 hose assembly is a direct-fit style replacement for vehicles that require the listed hose configuration. This part cross-references Gates 34707 for the same application.

Common A/C System Issues Addressed

• Damaged or leaking discharge and suction hose assembly
• Cracked rubber sections or corroded aluminum line sections
• Loss of refrigerant at O-ring connection points
• Improper hose routing from a worn OE-style assembly
• Service concerns after converting or maintaining an R134a system

Installation Notes

Verify the vehicle’s hose routing, end style, and manifold configuration before installation. Replace sealing surfaces as needed and lubricate the included O-rings with the correct refrigerant oil during assembly. Confirm that the system is evacuated and recharged with the proper refrigerant and oil specification after installation. This part is listed without a service port, switch port, bracket, muffler, or fittings.

Quality Assurance

Four Seasons 55074 is an OE replacement hose assembly built to match the listed application requirements for Camaro and Firebird HVAC service. The part is identified by the Four Seasons Hose Assembly line and is specified with included seals and O-rings for the connection points.