Four Seasons 55185 A/C Refrigerant Suction Hose

Overview of Four Seasons Hose Assembly 55185

The Four Seasons Hose Assembly 55185 is designed specifically for the HVAC system of select Lexus and Toyota vehicles. This A/C refrigerant suction hose is engineered to meet the demands of low-pressure refrigerant flow, ensuring reliable performance in your vehicle's air conditioning system.

• Constructed from durable aluminum and rubber materials
• Features a flange on one end and a P-nut fitting on the other
• Compatible with R134-a refrigerant systems
• Includes gasket, fittings, and two green O-rings (part number 24682)
• Equipped with a 13 mm R134-a quick disconnect service port
• Designed as a low-pressure suction line without a muffler or bracket
• OE replacement part for Lexus Highlander and Toyota RX400h models

Four Seasons Hose Assembly Product Line Details

The Four Seasons Hose Assembly product line focuses on providing reliable hose assemblies for automotive HVAC systems. These assemblies are designed to meet or exceed original equipment specifications, offering a direct replacement solution. The 55185 hose assembly is part of this line, delivering precise fitment and compatibility for Lexus Highlander and Toyota RX400h vehicles, ensuring proper refrigerant flow and system integrity.

Detailed Product Description

This A/C refrigerant suction hose assembly combines aluminum and rubber to provide durability and flexibility required for efficient refrigerant transport. The flange end and P-nut fitting ensure secure connections within the HVAC system. It is designed for use with R134-a refrigerant, common in many modern vehicles. The included gasket and fittings simplify installation, while the two green O-rings (part number 24682) help maintain a tight seal to prevent leaks. The hose assembly features a low-pressure suction line with a 13 mm quick disconnect service port, facilitating maintenance without the need for additional components like mufflers or brackets.

Common Applications and Issues Addressed

• Replacement of worn or damaged A/C refrigerant suction hoses in Lexus Highlander and Toyota RX400h
• Resolving refrigerant leaks caused by degraded seals or fittings
• Restoring proper refrigerant flow in low-pressure suction lines
• Eliminating issues related to faulty or missing service ports
• Ensuring system pressure integrity for efficient HVAC operation

Installation Notes and Tips

When installing the Four Seasons Hose Assembly 55185, ensure all fittings and gaskets are properly seated to prevent leaks. Use the included green O-rings (part number 24682) to maintain a secure seal at connection points. The 13 mm quick disconnect service port allows for easy access during servicing. This hose assembly does not include a bracket or muffler, so verify existing mounting points and supports are intact before installation. Proper torque specifications should be followed for flange and P-nut fittings to avoid damage.

Quality Assurance and Warranty

Four Seasons provides this hose assembly as an OE replacement part, meeting original equipment standards for fit and function. The product includes all necessary fittings and seals 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.