Four Seasons 55487 A/C Refrigerant Discharge / Suction Hose Assembly

OE Replacement A/C Hose Assembly

Four Seasons 55487 is an A/C refrigerant discharge and suction hose assembly built for OE-style service on select GM applications. It combines aluminum and rubber construction with the correct manifold, bracket, muffler, and sealed connections for a direct replacement approach.

Compatible with 1986-1988 Buick Century, 1986-1988 Oldsmobile Cutlass Ciera, and 1987-1988 Oldsmobile Cutlass Cruiser, this hose assembly supports R134a refrigerant systems and uses female O-ring discharge and suction ends.

Key Features

• Four Seasons Hose Assembly, part number 55487
• A/C refrigerant discharge and suction line design
• Aluminum / rubber construction for HVAC routing
• R134a refrigerant type
• Manifold included with bracket and muffler
• Green O-rings and sealing washer included
• OE replacement configuration
• UNF O-ring female ends on both discharge and suction sides
• Switch port provision included

Product Details

Four Seasons 55487 is part of the Hose Assembly line, a product line focused on replacement HVAC hose routing for vehicle air conditioning systems. This assembly is built to match the original discharge and suction line layout, with the correct end styles, manifold arrangement, and service-related provisions for the listed applications. It cross-references Monroe Shocks & Struts 172286 and 182286 for the same application.

Use this part number 55487 when replacing a worn, leaking, or damaged A/C hose assembly on 1986-1988 Buick Century, 1986-1988 Oldsmobile Cutlass Ciera, or 1987-1988 Oldsmobile Cutlass Cruiser models. The included seals and O-rings support proper connection at the hose interfaces, while the aluminum/rubber construction helps maintain the original routing and fitment profile.

Common Repair Reasons

• A/C refrigerant loss from cracked or deteriorated hose material
• Leaks at hose-to-component sealing points
• Damaged discharge or suction line connections
• Corrosion or wear at the original manifold assembly
• Failed hose routing after prior HVAC service

Installation Notes

Verify the vehicle’s refrigerant system configuration before installation, especially the R134a requirement and the presence of the switch port and manifold layout. Inspect mating surfaces, replace any damaged seals, and confirm the hose routing matches the original discharge and suction line path on the vehicle. This assembly does not include fittings.

Quality Assurance

Four Seasons 55487 is an OE replacement hose assembly built for the listed Buick and Oldsmobile applications. The part is supplied with the specified seals and O-rings to support proper sealing at installation.