Four Seasons 55515 A/C Refrigerant Discharge / Suction Hose Assembly

Four Seasons 55515 A/C Hose Assembly

The Four Seasons 55515 hose assembly is an OE replacement A/C refrigerant discharge and suction line for select Chevrolet and GMC trucks and SUVs. Built with aluminum and rubber construction for R134a systems, it is made for vehicles that need a direct-fit HVAC hose assembly with the correct O-ring sealing points.

Compatible With 1987-1989 Chevrolet and GMC applications, including Chevrolet C20, C35, R10, R20, R30, V10, V20, V30, R2500, R3500, V3500, and GMC R1500, R2500, R3500, V1500, V2500, V3500, Jimmy, and Suburban models listed below. Four Seasons 55515 is also cross-referenced with UAC HA9860C for the same application.

Key Features

• Part type: A/C refrigerant discharge and suction hose assembly
• Brand line: Four Seasons Hose Assembly
• OE replacement design for factory-style HVAC routing
• Aluminum and rubber construction
• Built for R134a refrigerant systems
• Female O-ring discharge and suction end styles with UNF O-ring connections
• O-rings and sealing washers included
• Manifold included
• Service port, switch port, bracket, muffler, and fittings not included

Detailed Description

Four Seasons 55515 is a replacement HVAC hose assembly for the discharge and suction side of the air conditioning system. It uses aluminum and rubber materials to match the routing and sealing requirements of the original equipment layout, with female O-ring ends and included seals for proper connection at the A/C lines. This hose assembly is specified for R134a refrigerant and is listed as an OE replacement, making it a direct service part for select Chevrolet and GMC platforms from 1987 through 1989.

Four Seasons Hose Assembly parts are built for service applications where the original A/C line has leaked, cracked, or lost sealing integrity. This part number, 55515, is listed for multiple heavy-duty Chevrolet and GMC truck and SUV configurations, including Chevrolet R2500, R3500, and V3500, plus GMC R1500, R2500, R3500, V1500, V2500, V3500, and Jimmy and Suburban models without rear roof A/C where noted.

Vehicle Fitment

• Fits 1989 Chevrolet R2500, hose assembly.
• Fits 1989 Chevrolet R3500, hose assembly.
• Fits 1989 Chevrolet V3500, hose assembly.
• Fits 1988-1989 GMC R2500, dis & suc; hose assembly.
• Fits 1988-1989 GMC R3500, dis & suc; hose assembly.
• Fits 1988-1989 GMC V3500, dis & suc; hose assembly.
• Fits 1987-1988 Chevrolet R20, hose assembly.
• Fits 1987-1988 Chevrolet R30, hose assembly.
• Fits 1987-1988 Chevrolet V30, hose assembly.
• Fits 1988 GMC Jimmy, w/o rear roof AC; hose assembly.
• Fits 1988 GMC R1500 Suburban, w/o rear roof AC; hose assembly.
• Fits 1988 GMC R2500 Suburban, w/o rear roof AC; hose assembly.
• Fits 1988 GMC V1500 Suburban, w/o rear roof AC; hose assembly.
• Fits 1988 GMC V2500 Suburban, w/o rear roof AC; hose assembly.
• Fits 1987 Chevrolet C20, hose assembly.
• Fits 1987 Chevrolet C35, hose assembly.
• Fits 1987 Chevrolet R10, hose assembly.
• Fits 1987 Chevrolet V10, hose assembly.
• Fits 1987 Chevrolet V20, hose assembly.
• Fits 1987 GMC R1500, hose assembly.
• Fits 1987 GMC R2500, hose assembly.
• Fits 1987 GMC R3500, hose assembly.
• Fits 1987 GMC V1500, hose assembly.
• Fits 1987 GMC V2500, hose assembly.
• Fits 1987 GMC V3500, hose assembly.

Common Repair Uses

• Replacing a leaking A/C discharge or suction hose
• Restoring refrigerant line sealing at O-ring connections
• Repairing cracked or aged aluminum/rubber HVAC hose sections
• Addressing low refrigerant loss caused by line seepage
• Servicing factory-style R134a A/C line routing on Chevrolet and GMC trucks

Installation Notes and Tips

Verify the vehicle’s A/C line layout, refrigerant type, and connection style before installation. This hose assembly uses female O-ring ends and includes the required seals, but it does not include fittings, a service port, a switch port, a bracket, or a muffler. Clean all mating surfaces, replace any damaged sealing surfaces, and evacuate and recharge the system with the correct R134a service procedure after installation.

Quality Assurance

Four Seasons 55515 is an OE replacement hose assembly built for service on factory A/C systems. It is engineered to match the original discharge and suction line application for the listed Chevrolet and GMC vehicles, with the correct sealing hardware included for installation.