Four Seasons 55079 A/C Refrigerant Discharge / Suction Hose Assembly

Four Seasons 55079 A/C Hose Assembly

Four Seasons 55079 is an OE replacement A/C refrigerant discharge and suction hose assembly for select Chevrolet and GMC trucks and SUVs. Built with aluminum and rubber construction for R134a systems, it is specified for vehicles that use a manifold-style hose layout with a muffler and included seals.

Key Features

• Part number 55079 from Four Seasons Hose Assembly line
• Discharge and suction line assembly for R134a air conditioning systems
• Aluminum / rubber construction for OE-style routing and flexibility
• Manifold design with muffler
• Gasket or seal included; O-rings included
• Discharge end: UNF O-ring, male O-ring
• Suction end: UNF O-ring, female O-ring
• OE replacement hose assembly
• Fits select 1976-1980 Chevrolet C10, C20, C30, K10, K20, K30, and K5 Blazer applications, plus select 1979-1980 GMC C1500, C2500, C3500, K1500, K2500, and K3500 applications

Product Details

The Four Seasons Hose Assembly product line focuses on direct-fit HVAC hose assemblies that match factory-style connections and routing. This Four Seasons 55079 hose assembly is built for R134a refrigerant systems and uses aluminum and rubber materials to balance durability with the flexibility needed in engine-bay HVAC plumbing. It is an OE replacement part with a manifold configuration, muffler, and included seals for service-ready installation on the listed Chevrolet and GMC platforms. This part cross-references Gates 34706 for the same application.

Common Problems This Part Can Address

• Refrigerant loss from a cracked or leaking A/C hose
• Reduced cooling performance caused by damaged discharge or suction plumbing
• Failed hose connections at the O-ring sealing points
• Noise or vibration concerns related to worn hose routing components
• Service issues on aging Chevrolet C10, K10, and GMC C1500-era A/C systems

Installation Notes

Verify the vehicle uses R134a refrigerant and matches the listed hose end styles before installation. This assembly is supplied without fittings, bracket, switch port, and service port, so reuse or source the correct vehicle-specific hardware as needed. Confirm the manifold layout and hose routing against the original part on Chevrolet C10, K5 Blazer, GMC Jimmy, and related applications before charging the system.

Quality Assurance

Four Seasons manufactures this hose assembly as an OE replacement HVAC component for direct-fit service on the listed applications. The included seals and O-rings support proper sealing at the connection points when installed on the correct vehicle configuration.