Four Seasons 55071 A/C Refrigerant Discharge / Suction Hose Assembly

Overview of Four Seasons Hose Assembly 55071

The Four Seasons Hose Assembly 55071 is designed for reliable HVAC performance in select Buick, Chevrolet, Oldsmobile, and Pontiac vehicles. This A/C refrigerant discharge and suction hose assembly is engineered to meet original equipment specifications, ensuring proper fit and function for models like the Cutlass, El Camino, Malibu, and Monte Carlo.

• Constructed from durable aluminum and rubber materials
• Compatible with R134a refrigerant systems
• Includes green O-rings and gasket for secure sealing
• Features a switch service port for added functionality
• Equipped with a muffler and manifold for noise reduction and system efficiency
• Discharge and suction ends use female UNF O-ring fittings
• OE replacement part designed without bracket and fittings included

Four Seasons Hose Assembly Product Line Details

The Four Seasons Hose Assembly product line focuses on delivering precise HVAC hose and pipe solutions tailored to specific vehicle applications. The 55071 hose assembly integrates both discharge and suction lines, incorporating essential components such as O-rings, a switch port, and a muffler to maintain system integrity and performance. This line emphasizes compatibility with original equipment refrigerant types and connection styles, providing a dependable replacement for factory-installed hoses.

Technical Description and Features

This hose assembly combines aluminum and rubber construction to withstand the pressures and temperatures typical of automotive air conditioning systems using R134a refrigerant. The inclusion of green O-rings (part numbers 24608, 24612, and 24615) ensures a tight seal at connection points, preventing leaks. The assembly features a female UNF O-ring style on both discharge and suction ends, designed to fit securely without the need for additional fittings or brackets. A built-in muffler reduces operational noise, while the manifold supports proper refrigerant flow. The switch service port allows for system monitoring or integration with vehicle controls.

Applications and Common Issues Addressed

• Replacement of worn or leaking A/C refrigerant discharge and suction hoses
• Restoring proper refrigerant flow in Buick Cutlass and Chevrolet Malibu air conditioning systems
• Eliminating noise caused by damaged or missing mufflers in HVAC lines
• Ensuring secure connections with included O-rings to prevent refrigerant leaks
• Upgrading HVAC hoses in Pontiac Grand Prix and Oldsmobile Regal models to OE standards

Installation Notes and Tips

• Verify compatibility with your specific vehicle make and model before installation
• Ensure all old hoses and seals are fully removed to prevent contamination
• Use the included green O-rings to achieve proper sealing at discharge and suction ends
• Check the switch service port connection for proper engagement during installation
• Do not reuse old fittings or brackets as this assembly does not include them

Quality Assurance and Warranty

The Four Seasons Hose Assembly 55071 is manufactured to meet or exceed original equipment standards for HVAC hoses and pipes. It is an OE replacement part designed for durability and reliable performance in R134a refrigerant systems. The product includes all necessary sealing components to ensure leak-free operation. Warranty details are provided by Four Seasons and typically cover defects in materials and workmanship under normal use conditions.