Four Seasons 55523 A/C Refrigerant Discharge / Suction Hose Assembly

OE Replacement A/C Hose Assembly

Four Seasons 55523 is an OE replacement A/C refrigerant discharge and suction hose assembly for select 1983-1984 Chevrolet and GMC trucks and SUVs. Built with aluminum and rubber construction, it is specified for R134a systems and uses female UNF O-ring connections for a direct-service style repair.

This Four Seasons hose assembly is built for vehicles that need a replacement discharge and suction line with manifold-style routing. It includes the required O-rings and is listed as an OE replacement part for applications such as Chevrolet C10, K10, K5 Blazer, and GMC Jimmy models.

• Aluminum / rubber construction for A/C line service
• For R134a refrigerant systems
• Discharge and suction line assembly
• Female O-ring ends with UNF O-ring style connections
• Manifold design
• Gasket or seal included
• O-rings included
• OE replacement part
• Without service port, switch port, bracket, muffler, or fittings

Product Details

Four Seasons Hose Assembly line products focus on replacement HVAC hard parts for vehicle-specific repairs. Part number 55523 is engineered as a discharge and suction hose assembly for compatible GM truck and SUV applications, including 1983-1984 Chevrolet C10, C20, K10, K20, K30, and GMC C1500, K1500, K2500, and Jimmy platforms. If you are replacing a leaking or damaged A/C hose on a Chevrolet C10 or GMC Jimmy, this assembly provides the correct hose style and connection type for the listed applications. This part cross-references Gates 34708 and 34711 for the same application.

Common Repair Symptoms

• A/C refrigerant leak at the hose assembly
• Cracked, hardened, or deteriorated hose material
• Loss of cooling performance from a damaged discharge or suction line
• Corrosion or wear at the hose connection points
• Failed original hose assembly on R134a-converted or serviced systems

Installation Notes

• Verify the vehicle’s compressor and line routing before installation.
• Confirm female O-ring connection style and manifold layout match the original part.
• Replace sealing components as needed and inspect mating surfaces for damage.
• Check system cleanliness and evacuate/recharge the A/C system according to service procedures after installation.
• Because this assembly is listed without a service port, switch port, bracket, muffler, or fittings, reuse or source any separate components required by the vehicle.

Quality Assurance

Four Seasons 55523 is listed as an OE replacement A/C hose assembly built for the specified GM applications and supplied with the required seals and O-rings for service.