Four Seasons 55455 A/C Refrigerant Discharge / Suction Hose Assembly

Overview of Four Seasons Hose Assembly 55455

The Four Seasons Hose Assembly 55455 is designed for reliable A/C refrigerant discharge and suction line performance. Engineered for select Buick, Cadillac, Chevrolet, and Oldsmobile models, this hose assembly ensures proper refrigerant flow and system integrity.

• Constructed from durable aluminum and rubber materials
• Compatible with R134a refrigerant systems
• Includes green o-rings and sealing washer for secure connections
• Features female o-ring fittings with UNF threads on both discharge and suction ends
• Equipped with a manifold and switch service port (switch not included)
• OE replacement part designed for specific GM vehicle models

Four Seasons Hose Assembly Product Line Details

The Hose Assembly product line by Four Seasons focuses on delivering precise HVAC hose and pipe solutions tailored to vehicle-specific requirements. This line emphasizes quality materials and exact fitment to maintain factory-level performance in air conditioning systems. The 55455 part exemplifies this approach by combining aluminum and rubber components with included sealing elements to ensure leak-free operation in compatible GM vehicles.

Detailed Product Description

The Four Seasons 55455 hose assembly serves as a direct OE replacement for the A/C refrigerant discharge and suction lines in select Buick Caprice, Cadillac Fleetwood, Chevrolet Commercial Chassis, Custom Cruiser, and Oldsmobile Roadmaster models. Its construction from aluminum and rubber provides durability and flexibility, while the included green o-rings ([24606], [24608], [24612]) and sealing washer ([24354]) ensure a tight seal at connection points. The assembly features female o-ring fittings with UNF threads on both ends, designed to interface with the vehicle’s manifold and system components. Although fittings and the switch are not included, the hose assembly comes with a switch service port to accommodate system diagnostics and maintenance.

Common Applications and Issues Addressed

• Replacement of worn or leaking A/C refrigerant discharge and suction hoses
• Restoring proper refrigerant flow in R134a air conditioning systems
• Eliminating refrigerant leaks caused by damaged o-rings or seals
• Repairing HVAC system failures in Buick Caprice and Cadillac Fleetwood models
• Maintaining system integrity in Chevrolet Custom Cruiser and Oldsmobile Roadmaster vehicles

Installation Notes and Tips

• Verify compatibility with your specific vehicle make and model before installation
• Ensure all old o-rings and seals are removed and replaced with the included green o-rings and sealing washer
• Use proper torque specifications on UNF female o-ring fittings to prevent leaks
• Inspect the manifold and service port area for damage or corrosion prior to assembly
• Note that fittings and switch are not included and may require separate purchase

Quality Assurance and Warranty

Four Seasons Hose Assembly 55455 is manufactured to meet or exceed original equipment standards for HVAC hoses and pipes. This part is an OE replacement designed to maintain system performance and reliability. The product includes all necessary sealing components to ensure leak-free operation. Warranty coverage details should be confirmed with the product documentation or supplier.