Four Seasons 55121 A/C Refrigerant Suction Hose

Overview of Four Seasons Hose Assembly 55121

The Four Seasons Hose Assembly 55121 is designed specifically for Nissan Altima and Maxima models, providing a reliable A/C refrigerant suction hose solution. Engineered with durable aluminum and rubber materials, this hose assembly ensures efficient low-pressure refrigerant flow for R134-a systems.

• Constructed from aluminum and rubber for durability and flexibility
• Features a P-nut fitting on both suction ends for secure connections
• Includes captured green o-rings (part number 24684) for a tight seal
• Compatible with R134-a refrigerant systems, designed for low-pressure suction lines
• Equipped with a 13 mm R134-a quick disconnect service port for easy maintenance
• Includes necessary fittings and gasket/seal for installation
• OE replacement part ensuring proper fit and function

Detailed Product Description

This Four Seasons Hose Assembly from the Hose Assembly product line is a direct OE replacement part tailored for Nissan Altima and Maxima vehicles. The assembly combines aluminum and rubber materials to withstand the demands of the A/C system's low-pressure side. The P-nut fittings on both ends provide a secure and leak-resistant connection, while the included captured green o-rings (two in quantity) ensure a proper seal to prevent refrigerant loss. The hose is designed for R134-a refrigerant, featuring a 13 mm quick disconnect service port that facilitates efficient servicing without the need for additional tools. This hose assembly does not include a bracket, muffler, or switch, focusing solely on the suction line function within the HVAC system.

Applications and Common Issues Addressed

• Replacement of worn or damaged A/C refrigerant suction hoses in Nissan Altima and Maxima
• Resolving refrigerant leaks caused by degraded seals or fittings
• Restoring proper low-pressure refrigerant flow for efficient A/C performance
• Addressing issues related to faulty or missing service ports for maintenance access
• Eliminating connection failures due to damaged P-nut fittings or o-rings

Installation Notes and Tips

• Ensure compatibility with Nissan Altima and Maxima models before installation
• Inspect and replace o-rings as needed to maintain a proper seal
• Use appropriate tools to tighten P-nut fittings without over-torquing
• Verify the service port is accessible and properly connected for future maintenance
• Check for any signs of wear or damage on adjacent components during installation

Quality Assurance and Warranty

The Four Seasons Hose Assembly 55121 is manufactured to meet OEM specifications, ensuring reliable performance and fitment for Nissan Altima and Maxima vehicles. This part includes all necessary fittings and seals for installation and is designed to maintain system integrity under low-pressure conditions. While specific warranty details are not provided, Four Seasons products typically adhere to industry standards for quality and durability.