Four Seasons 66418 A/C Refrigerant Discharge Hose

Overview of Four Seasons Hose Assembly 66418

The Four Seasons Hose Assembly 66418 is designed specifically for Nissan Murano vehicles requiring a reliable A/C refrigerant discharge hose. Engineered with durable aluminum and rubber materials, this hose assembly supports high-pressure R134a refrigerant systems to maintain optimal HVAC performance.

• Constructed from aluminum and rubber for durability and flexibility
• Compatible with R134a refrigerant systems
• High-pressure discharge line designed for efficient refrigerant flow
• Includes gasket and fittings for secure installation
• O-ring set included (two green O-rings, part number 24661)
• Original equipment replacement for Nissan Murano
• Features P-nut fitting on suction end for proper connection
• Does not include bracket, muffler, or service port

Detailed Product Description

This Four Seasons Hose Assembly 66418 belongs to the Hose Assembly product line, which focuses on delivering precise replacement hoses and pipes for automotive HVAC systems. The assembly is crafted from a combination of aluminum and rubber, providing the necessary strength and flexibility to withstand the high-pressure environment of the A/C refrigerant discharge system. Designed without a service port or muffler, this discharge line is a direct OE replacement, ensuring compatibility and reliable performance in Nissan Murano models.

Applications and Common Issues Addressed

• Replacement of worn or leaking A/C refrigerant discharge hoses in Nissan Murano
• Restores proper refrigerant flow and system pressure in R134a A/C systems
• Eliminates refrigerant leaks caused by damaged or cracked hoses
• Prevents system contamination by maintaining sealed connections with included gaskets and O-rings
• Supports high-pressure operation to maintain HVAC efficiency

Installation Notes and Tips

• Ensure compatibility with Nissan Murano models before installation
• Use included fittings and gaskets to secure connections and prevent leaks
• Inspect O-rings (two green O-rings included) for proper seating during assembly
• Do not attempt to install without proper tools for P-nut fittings
• Verify system pressure ratings to match high-pressure requirements

Quality Assurance and Warranty

The Four Seasons Hose Assembly 66418 is manufactured to meet or exceed original equipment specifications for Nissan Murano vehicles. This part is an OE replacement, ensuring fit, form, and function. The product includes all necessary seals and fittings to support a secure installation. Warranty details are provided by Four Seasons and typically cover defects in material and workmanship under normal use.