Four Seasons 66684 A/C Refrigerant Discharge Hose

Overview of Four Seasons Hose Assembly 66684

The Four Seasons Hose Assembly 66684 is designed specifically for the Mercedes-Benz E350 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 R134a refrigerant systems
• Includes necessary fittings and green O-rings for secure sealing
• Designed as a high-pressure discharge line without a service port or bracket
• OE replacement part for Mercedes-Benz E350 models

Four Seasons Hose Assembly Product Line Details

The Four Seasons Hose Assembly product line focuses on providing complete hose assemblies for automotive HVAC systems. These assemblies combine aluminum and rubber components to meet OEM specifications, offering a direct replacement solution. The 66684 hose assembly is part of this line, designed to maintain system integrity and performance without additional components like mufflers or brackets.

Product Description and Features

This A/C refrigerant discharge hose is built to withstand the high-pressure environment of the Mercedes-Benz E350's air conditioning system. The hose assembly includes fittings and a green O-ring (part number 24649) to ensure a tight, leak-free connection. It features a P-nut fitting on the suction end and does not include a service port or switch, aligning with the original equipment design. The combination of aluminum and rubber materials provides durability and flexibility, essential for maintaining system pressure and preventing refrigerant leaks.

Common Applications and Issues Addressed

• Replacement of worn or damaged A/C refrigerant discharge hoses in Mercedes-Benz E350
• Resolving refrigerant leaks caused by cracked or deteriorated hoses
• Restoring proper high-pressure refrigerant flow in the HVAC system
• Eliminating loss of cooling efficiency due to faulty discharge lines
• Ensuring compatibility with R134a refrigerant systems

Installation Notes and Tips

When installing the Four Seasons Hose Assembly 66684, ensure all fittings and O-rings are properly seated to prevent leaks. Since this hose assembly does not include a bracket or service port, verify that the existing mounting points and service ports on the Mercedes-Benz E350 are intact and functional. Use appropriate tools to tighten the P-nut fitting securely without over-torquing. It is recommended to evacuate and recharge the A/C system following installation to maintain optimal performance.

Quality Assurance and Warranty

The Four Seasons Hose Assembly 66684 is an OE replacement part, manufactured to meet or exceed original equipment standards for the Mercedes-Benz E350. It includes all necessary fittings and seals to ensure a proper fit and function. While specific warranty details are not provided, Four Seasons products typically come with a limited warranty covering defects in materials and workmanship.