Four Seasons 55998 A/C Refrigerant Liquid Hose

Overview of Four Seasons Hose Assembly 55998

The Four Seasons Hose Assembly 55998 is designed for high-pressure A/C refrigerant liquid line applications using R134a refrigerant. This hose assembly is engineered to meet original equipment specifications, ensuring reliable performance in automotive HVAC systems.

• Compatible with R134a refrigerant systems
• High-pressure rated liquid line hose assembly
• Includes green O-rings ([24606] and [24608]) for secure sealing
• Equipped with an orifice tube and female o-ring suction end
• Does not include a service port, switch port, or mounting bracket
• OE replacement part ensuring proper fit and function

Four Seasons Hose Assembly Product Line Details

The Hose Assembly product line by Four Seasons focuses on delivering precise HVAC hose and pipe components tailored for automotive air conditioning systems. The 55998 part is part of this line, providing a liquid line hose assembly without an orifice tube, designed to maintain system integrity and refrigerant flow under high pressure. This line emphasizes compatibility with factory specifications and includes necessary sealing components such as O-rings to facilitate installation and prevent leaks.

Detailed Product Description

This A/C refrigerant liquid hose from Four Seasons, part number 55998, is built for high-pressure R134a systems commonly found in many vehicle makes and models. The assembly includes two sets of green O-rings ([24606] and [24608]) to ensure a tight seal at connection points, reducing the risk of refrigerant leaks. The hose features a female o-ring suction end and comes with an orifice tube, which is critical for regulating refrigerant flow within the system. Notably, this assembly does not include a service port, switch port, or mounting bracket, which may require additional components depending on the vehicle application.

Common Applications and Issues Addressed

• Replacement of worn or damaged A/C liquid line hoses in R134a systems
• Resolving refrigerant leaks caused by degraded O-rings or hose cracks
• Restoring proper refrigerant flow and pressure in high-pressure A/C circuits
• Addressing system inefficiencies due to faulty orifice tubes
• Maintaining OEM-level sealing and connection integrity

Installation Notes and Tips

• Verify vehicle compatibility with the Four Seasons 55998 hose assembly before installation
• Ensure all O-rings are properly seated and lubricated with refrigerant oil to prevent leaks
• Check for the presence of an orifice tube in the assembly and confirm it matches vehicle requirements
• Since this assembly lacks a service port and bracket, additional parts may be necessary for complete installation
• Follow manufacturer torque specifications for fittings to avoid damage

Quality Assurance and Warranty

Four Seasons Hose Assembly 55998 is manufactured to meet or exceed original equipment standards, providing reliable performance in automotive HVAC systems. The inclusion of factory-quality O-rings and adherence to OE replacement guidelines ensures durability and proper fit. Warranty coverage details should be confirmed with the product documentation or supplier, as Four Seasons typically offers limited warranties on their HVAC components.