Four Seasons 55691 A/C Refrigerant Suction Hose

Overview of Four Seasons Hose Assembly 55691

The Four Seasons Hose Assembly 55691 is designed specifically for the Lexus LS400 HVAC system. This A/C refrigerant suction hose ensures reliable low-pressure refrigerant flow with durable fittings and included seals for a secure connection.

• Compatible with Lexus LS400 models
• Part number 55691 for precise identification
• Low-pressure A/C refrigerant suction hose for R134-a systems
• Includes p-nut fitting and captive o-ring ends
• Comes with gasket, fittings, and a service port

Product Line: Four Seasons Hose Assembly

The Four Seasons Hose Assembly product line focuses on delivering complete hose assemblies for automotive HVAC systems. This line provides components engineered to meet original equipment specifications, including necessary fittings and seals. The 55691 hose assembly is part of this line, offering a ready-to-install solution for the Lexus LS400's air conditioning suction line.

Detailed Product Description

This A/C refrigerant suction hose is designed for use with R134-a refrigerant and operates under low system pressure. The hose features a p-nut fitting on one end and a captive o-ring on the other, ensuring a tight, leak-free connection. Included with the hose are two green o-rings (part number 24610), a gasket, and all necessary fittings. The assembly also includes a service port with a 1/4 size, allowing for easy system maintenance. Note that this hose assembly does not include a bracket, muffler, or switch, but it is an exact OE replacement for the Lexus LS400.

Common Applications and Issues Addressed

• Replacement of worn or leaking A/C refrigerant suction hoses
• Restoring proper refrigerant flow in Lexus LS400 HVAC systems
• Fixing low-pressure leaks that reduce A/C efficiency
• Addressing damaged or missing fittings and seals
• Ensuring compatibility with R134-a refrigerant systems

Installation Notes and Tips

• Verify compatibility with Lexus LS400 before installation
• Ensure all included fittings and o-rings are properly seated to prevent leaks
• Use the service port for system evacuation and recharge procedures
• Inspect surrounding components for wear during replacement
• Follow manufacturer torque specifications for p-nut fittings

Quality Assurance and Warranty

The Four Seasons Hose Assembly 55691 is manufactured to meet or exceed original equipment standards for durability and performance. It includes all necessary seals and fittings to ensure a proper installation. While specific warranty details are not provided here, Four Seasons products typically come with a limited warranty against defects in materials and workmanship.