Four Seasons 55137 A/C Refrigerant Suction Hose

Overview of Four Seasons Hose Assembly 55137

The Four Seasons Hose Assembly 55137 is designed specifically for the A/C refrigerant suction line in select Nissan and INFINITI vehicles. Engineered with durable aluminum and rubber materials, this hose assembly ensures reliable low-pressure refrigerant flow for the R134-a system in models like the Nissan Pathfinder and INFINITI QX4.

• Constructed from aluminum and rubber for durability and flexibility
• Features a flange end and a captured o-ring end for secure connections
• Includes green o-rings [24682] and [24684] for proper sealing
• Equipped with a 13 mm R134-a quick disconnect service port on the low-pressure side
• Comes with necessary fittings and gasket/seal included
• Designed without a bracket, muffler, or switch for straightforward installation
• O.E. replacement part ensuring compatibility and performance

About the Four Seasons Hose Assembly Product Line

The Four Seasons Hose Assembly line focuses on providing complete hose assemblies tailored for HVAC systems in vehicles. This product line emphasizes precise fitment and quality materials to maintain system integrity and refrigerant flow. The 55137 hose assembly is part of this line, offering a direct replacement for the suction line in Nissan Pathfinder and INFINITI QX4 models, ensuring proper system pressure and leak-free operation.

Detailed Product Description

This A/C refrigerant suction hose assembly is designed to handle low-pressure refrigerant flow within the vehicle’s HVAC system. The combination of aluminum and rubber materials provides both strength and flexibility, reducing the risk of leaks or damage from vibration. The flange and captured o-ring ends ensure a tight seal, supported by the included green o-rings for reliable performance. The integrated 13 mm quick disconnect service port allows for efficient servicing of the R134-a refrigerant system without the need for additional adapters. This hose assembly does not include a bracket, muffler, or switch, simplifying installation and maintenance.

Common Applications and Issues Addressed

• Replacement of worn or cracked suction hoses in Nissan Pathfinder and INFINITI QX4 A/C systems
• Resolving refrigerant leaks caused by damaged o-rings or fittings
• Restoring proper low-pressure refrigerant flow for efficient air conditioning performance
• Addressing service port failures or incompatibility with R134-a quick disconnect tools
• Eliminating issues related to hose assembly deterioration from heat and vibration

Installation Notes and Tips

• Ensure the vehicle is compatible: Nissan Pathfinder or INFINITI QX4 models using R134-a refrigerant
• Verify that the old hose assembly is fully depressurized before removal
• Inspect and replace o-rings as needed; this assembly includes two green o-rings for sealing
• Use proper torque specifications on flange and p-nut fittings to avoid leaks
• Check the service port for proper connection with R134-a quick disconnect tools

Quality Assurance and Warranty

The Four Seasons Hose Assembly 55137 is an O.E. replacement part manufactured to meet or exceed original equipment specifications. It includes all necessary fittings and seals to ensure a secure and leak-free installation. While specific warranty details are not provided, Four Seasons products typically come with a limited warranty covering defects in materials and workmanship, supporting long-term reliability in Nissan Pathfinder and INFINITI QX4 HVAC systems.