Four Seasons 55123 A/C Refrigerant Suction Hose

Overview of Four Seasons Hose Assembly 55123

The Four Seasons Hose Assembly 55123 is designed specifically for Nissan D21 models, providing a reliable A/C refrigerant suction hose solution. Constructed with durable aluminum and rubber materials, this hose assembly ensures efficient low-pressure refrigerant flow for R12 systems.

• Compatible with Nissan D21 vehicles
• Constructed from aluminum and rubber for durability
• Includes P-nut fitting and female o-ring ends
• Designed for R12 refrigerant systems with low pressure
• Comes with included gaskets, seals, and fittings
• Equipped with a 1/4 inch service port without a switch port
• O-rings included for secure sealing
• OE replacement part for direct fit installation

Detailed Product Description

This Four Seasons Hose Assembly from the Hose Assembly product line is engineered to meet the specific HVAC needs of Nissan D21 trucks. The assembly features a combination of aluminum and rubber materials that provide flexibility and resistance to wear under typical operating conditions. The hose includes a P-nut fitting on one end and a female o-ring fitting on the other, ensuring a secure connection within the A/C refrigerant suction line. It is designed for use with R12 refrigerant systems operating under low pressure, making it suitable for older Nissan D21 models equipped with this refrigerant type.

The assembly includes all necessary gaskets and fittings, including green o-rings (part numbers 24610 and 24642) to maintain a tight seal and prevent leaks. The hose also features a 1/4 inch service port to facilitate maintenance and refrigerant charging without the need for additional adapters. This part is an OE replacement, ensuring compatibility and performance consistent with original equipment standards.

Common Applications and Issues Addressed

• Replacement of worn or damaged A/C refrigerant suction hoses on Nissan D21
• Resolving refrigerant leaks caused by cracked or deteriorated hoses
• Restoring proper low-pressure refrigerant flow in R12 A/C systems
• Eliminating poor A/C performance due to faulty suction line components
• Facilitating maintenance with an integrated service port

Installation Notes and Tips

• Ensure the vehicle is compatible with R12 refrigerant before installation
• Verify that all included gaskets and o-rings are properly seated to prevent leaks
• Use appropriate tools to tighten the P-nut fitting without over-torquing
• Check the service port for accessibility to simplify future A/C servicing
• Inspect surrounding components for wear or damage during installation

Quality Assurance and Warranty

Four Seasons Hose Assembly 55123 is manufactured to meet OEM specifications for Nissan D21 vehicles, ensuring reliable performance and fitment. The part includes all necessary seals and fittings to maintain system integrity. While specific warranty details are not provided, Four Seasons products typically adhere to industry standards for quality and durability, supporting long-term use in automotive HVAC systems.