Four Seasons 55109 A/C Liquid Line with Orifice Tube

Overview of Four Seasons Hose Assembly 55109

The Four Seasons Hose Assembly 55109 is designed specifically for Buick and Pontiac vehicles, including the Grand Prix and Regal models. This A/C liquid line with orifice tube ensures proper refrigerant flow and system performance for R134-a refrigerant systems.

• Constructed from durable aluminum and rubber materials
• Includes gasket and fittings for a complete installation
• Equipped with a serviceable orifice tube and high side service port
• Comes with green O-rings (part numbers 24628 and 24606) for secure sealing
• Features a switch service port with M10x1.25 size
• O-ring suction end type for reliable connections
• OE replacement part compatible with specified Buick and Pontiac models

Four Seasons Hose Assembly Product Line Details

The Hose Assembly product line by Four Seasons focuses on providing reliable HVAC hose and pipe solutions for automotive air conditioning systems. This line includes assemblies designed to meet or exceed original equipment specifications, ensuring proper fit and function. The 55109 liquid line hose assembly integrates a serviceable orifice tube and switch port, making it suitable for maintenance and repair of HVAC systems in Buick Grand Prix and Pontiac Regal vehicles.

Product Description and Features

This liquid line hose assembly combines aluminum and rubber components to withstand the pressures and temperatures of automotive A/C systems using R134-a refrigerant. The inclusion of a serviceable orifice tube allows for precise refrigerant metering, while the high side service port (16 mm) facilitates system diagnostics and servicing. The assembly comes with all necessary fittings and green O-rings to ensure leak-free connections. The switch port (M10x1.25) supports integration with pressure switches, enhancing system monitoring capabilities. This part is an OE replacement, designed to match the original specifications for Buick Grand Prix and Pontiac Regal models.

Common Applications and Issues Addressed

• Replacement of damaged or leaking A/C liquid lines in Buick Grand Prix and Pontiac Regal
• Restoring proper refrigerant flow and pressure regulation with the included orifice tube
• Resolving refrigerant leaks caused by worn or missing O-rings
• Facilitating A/C system diagnostics through the high side service port
• Supporting switch port functionality for pressure monitoring and control

Installation Notes and Tips

• Ensure compatibility with Buick Grand Prix and Pontiac Regal models before installation
• Use the included green O-rings to maintain proper sealing and prevent leaks
• Verify the orifice tube is properly seated and serviceable for future maintenance
• Check the switch port connection for secure fitment and correct thread size (M10x1.25)
• Do not reuse old fittings or seals to avoid system contamination or leaks

Quality Assurance and Warranty

Four Seasons Hose Assembly 55109 is manufactured to meet original equipment standards for durability and performance. The part includes all necessary seals and fittings to ensure a reliable installation. While specific warranty details are not provided here, Four Seasons products typically come with a limited warranty covering defects in materials and workmanship. Always consult product documentation or the manufacturer for exact warranty terms.