Four Seasons 66421 A/C Refrigerant Discharge Hose

Overview of Four Seasons Hose Assembly 66421

The Four Seasons Hose Assembly 66421 is designed specifically for the Nissan Quest HVAC system. This A/C refrigerant discharge hose is engineered to handle high-pressure R134a refrigerant, ensuring reliable performance in your vehicle's air conditioning system.

• Constructed from durable aluminum and rubber materials
• Compatible with Nissan Quest models requiring R134a refrigerant
• Includes gasket and fittings for secure installation
• Designed as a high-pressure discharge line without a service port or muffler
• Equipped with two green O-rings (part number 24661) for proper sealing

Four Seasons Hose Assembly Product Line Details

The Four Seasons Hose Assembly product line focuses on providing OEM replacement hoses and pipes for automotive HVAC systems. This line emphasizes quality materials and precise fitment to maintain system integrity. The 66421 hose assembly is part of this line, offering a direct OE replacement discharge line for the Nissan Quest, ensuring compatibility and durability without additional brackets or switch ports.

Detailed Product Description

This A/C refrigerant discharge hose assembly is constructed with a combination of aluminum and rubber to withstand the high pressures typical in automotive air conditioning systems. It is designed for use with R134a refrigerant and features a P-nut fitting on the suction end for secure connection. The hose assembly includes necessary fittings and a gasket to facilitate installation and maintain a leak-free seal. Notably, this part does not include a muffler, bracket, or service port, aligning with the original equipment specifications for the Nissan Quest.

Common Applications and Issues Addressed

• Replacement of worn or damaged A/C refrigerant discharge hoses in Nissan Quest vehicles
• Resolution of refrigerant leaks caused by cracked or deteriorated hoses
• Restoration of proper high-pressure refrigerant flow within the HVAC system
• Elimination of system pressure loss due to faulty discharge lines
• Ensuring compatibility with R134a refrigerant systems in Nissan Quest models

Installation Notes and Tips

• Verify compatibility with your Nissan Quest model before installation
• Ensure all fittings and O-rings are properly seated to prevent leaks
• Use the included gasket and fittings for a secure, OEM-quality connection
• Inspect surrounding components for wear or damage during replacement
• Follow manufacturer torque specifications for fittings and connections

Quality Assurance and Warranty

The Four Seasons Hose Assembly 66421 is an OE replacement part designed to meet or exceed original equipment standards. It includes all necessary seals and fittings to ensure a proper fit and function. While specific warranty details are not provided, Four Seasons products typically adhere to industry quality standards for durability and performance in automotive HVAC applications.