Four Seasons 55127 A/C Refrigerant Discharge Hose

Overview of Four Seasons Hose Assembly 55127

The Four Seasons Hose Assembly 55127 is designed specifically for Nissan D21 models, providing a reliable A/C refrigerant discharge hose solution. Engineered to handle both R12 and R134a refrigerants, this discharge line ensures proper function of your vehicle's HVAC system.

• Compatible with Nissan D21 A/C systems
• Supports refrigerant types R12 and R134a
• Includes gasket and fittings for secure installation
• Equipped with a 3/8" - 24 service port for easy maintenance
• O-ring set included (green o-ring, quantity 2) for leak prevention
• Discharge line with p-nut fitting suction end
• OE replacement part for direct fit

Four Seasons Hose Assembly Product Line Details

The Hose Assembly product line by Four Seasons focuses on delivering complete hose solutions for automotive HVAC systems. This line includes assemblies designed to meet original equipment specifications, ensuring compatibility and durability. The 55127 hose assembly is part of this line, offering a discharge line with included fittings and seals to simplify installation and maintain system integrity.

Product Features and Specifications

This A/C refrigerant discharge hose assembly is built without a bracket or muffler, streamlining the installation process. It features a service port with a 3/8" - 24 thread size, allowing for convenient refrigerant charging and system diagnostics. The included green O-rings (part number 24661) provide a secure seal to prevent leaks. The suction end uses a p-nut fitting, compatible with Nissan D21 HVAC configurations. Although the switch is not included, the hose assembly comes with a switch service port for future upgrades or repairs.

Common Applications and Problem Resolution

• Replacement of worn or leaking A/C refrigerant discharge hoses on Nissan D21
• Addressing refrigerant leaks due to damaged or degraded seals
• Resolving poor A/C system performance caused by faulty discharge lines
• Upgrading to a hose assembly compatible with both R12 and R134a refrigerants
• Facilitating maintenance with included service port and fittings

Installation Notes and Tips

When installing the Four Seasons Hose Assembly 55127, ensure the green O-rings are properly seated to prevent refrigerant leaks. The included fittings and gasket simplify the replacement process, but verify compatibility with your Nissan D21's existing connections. Since the assembly does not include a bracket or muffler, retain or replace these components as needed from your original setup. Use the service port for refrigerant charging and system checks during installation.

Quality Assurance and Warranty

Four Seasons provides this hose assembly as an OE replacement part, meeting original equipment standards for fit and function. The inclusion of all necessary seals and fittings supports long-term reliability. While specific warranty details are not provided here, Four Seasons products typically come with manufacturer-backed quality assurance to ensure performance in Nissan D21 HVAC systems.