Four Seasons 55709 A/C Refrigerant Discharge Hose

Overview of Four Seasons Hose Assembly 55709

The Four Seasons Hose Assembly 55709 is designed specifically for the Lexus RX330 to ensure reliable air conditioning system performance. This A/C refrigerant discharge hose is engineered to meet original equipment specifications, providing a direct replacement for your vehicle's HVAC system.

• Compatible with Lexus RX330 models
• Part number 55709 for precise identification
• Includes gasket and fittings for complete installation
• Equipped with a muffler to reduce noise
• Designed for R134a refrigerant systems

Features of the Four Seasons Hose Assembly Product Line

The Four Seasons Hose Assembly product line focuses on delivering durable and reliable hose assemblies for automotive HVAC systems. This line includes components that are engineered to match original equipment standards, ensuring proper fit and function. The 55709 hose assembly features a discharge line with included fittings and gaskets, a muffler for noise reduction, and a high-side R134a quick disconnect service port, all designed to maintain system integrity and ease of service.

Detailed Product Description

This A/C refrigerant discharge hose assembly is built for the Lexus RX330 and uses R134a refrigerant. It includes two green O-rings (part number 24661) to ensure a secure, leak-free connection. The hose features a P-nut fitting on the suction end and comes with a high-side service port equipped with a quick disconnect for efficient servicing. While the assembly includes a muffler to minimize operational noise, it does not include a bracket or switch. The gasket and fittings are included to facilitate a straightforward installation process. This hose assembly is an original equipment replacement, designed to meet the exact specifications of the factory part.

Common Applications and Issues Addressed

• Replacement of worn or leaking A/C refrigerant discharge hoses on Lexus RX330
• Restoring proper refrigerant flow and pressure in the HVAC system
• Eliminating noise caused by damaged or missing mufflers in the discharge line
• Resolving refrigerant leaks due to degraded O-rings or fittings
• Facilitating maintenance with a high-side quick disconnect service port

Installation Notes and Tips

When installing the Four Seasons Hose Assembly 55709, ensure all O-rings are properly seated and lubricated to prevent leaks. The included gasket and fittings should be inspected for damage before assembly. Since this hose does not include a bracket or switch, verify that existing mounting points and electrical components are intact and functioning. Use the high-side quick disconnect service port for efficient refrigerant servicing. Proper torque specifications should be followed to avoid damage to fittings.

Quality Assurance and Warranty

Four Seasons products are manufactured to meet or exceed original equipment standards. The Hose Assembly 55709 is an OE replacement part, ensuring compatibility and reliability for the Lexus RX330. While specific warranty details are not provided here, Four Seasons typically offers coverage against defects in materials and workmanship. Always consult product documentation or the manufacturer for exact warranty terms.