Four Seasons 55172 A/C Refrigerant Discharge Hose

Overview of Four Seasons Hose Assembly 55172

The Four Seasons Hose Assembly 55172 is designed specifically for Toyota Highlander models requiring a reliable A/C refrigerant discharge hose. Engineered to meet original equipment specifications, this hose assembly ensures proper refrigerant flow and system performance for vehicles using R134a refrigerant.

• Compatible with Toyota Highlander A/C systems
• Refrigerant type: R134a
• Includes gasket and fittings for secure installation
• Equipped with a muffler to reduce noise
• Service port included for maintenance access
• O-ring quantity: 2 green o-rings (part number 24661)
• Suction end features P-nut fitting
• Discharge line component type without switch or bracket

Detailed Product Description

This Four Seasons Hose Assembly from the Hose Assembly product line is a direct replacement part (part number 55172) designed to maintain the integrity of the Toyota Highlander's HVAC system. The assembly serves as the A/C refrigerant discharge hose, facilitating the flow of R134a refrigerant from the compressor to the condenser. It includes all necessary fittings and gaskets, ensuring a leak-free connection. The included muffler helps minimize operational noise, while the service port allows for easy system servicing without hose removal. The hose assembly does not include a switch or bracket, and the suction end is equipped with a P-nut fitting for secure attachment.

Applications and Common Issues Addressed

• Replacement of worn or cracked A/C refrigerant discharge hoses
• Resolving refrigerant leaks in the discharge line
• Eliminating A/C system noise caused by faulty mufflers
• Improving refrigerant flow efficiency in Toyota Highlander HVAC systems
• Facilitating maintenance with included service port

Installation Notes and Tips

When installing the Four Seasons Hose Assembly 55172, ensure the vehicle is compatible with R134a refrigerant systems. Use the included gaskets and fittings to secure connections and prevent leaks. The service port allows for convenient refrigerant charging and pressure checks. Since the assembly does not include a bracket or switch, verify existing mounting points and switch functionality before installation. Proper torque on fittings and careful handling of O-rings will help maintain system integrity.

Quality Assurance and Warranty

Four Seasons Hose Assembly 55172 is manufactured to meet or exceed original equipment standards for Toyota Highlander vehicles. The Hose Assembly product line focuses on delivering reliable HVAC hose solutions with precise fitment and durable materials. This part is an O.E. replacement, ensuring compatibility and performance. Warranty details are provided by Four Seasons and typically cover defects in materials and workmanship under normal use.