Four Seasons 66316 A/C Refrigerant Discharge Hose

Reliable A/C Refrigerant Discharge Hose for Mercedes-Benz Models

The Four Seasons Hose Assembly 66316 is designed to provide a durable and efficient solution for your Mercedes-Benz GL350, ML63 AMG, ML250, ML350, ML400, ML500, and ML550 A/C systems. Engineered with quality materials and precise fitment, this discharge hose ensures proper refrigerant flow and system performance.

Key Features of Four Seasons Hose Assembly 66316

• Constructed from aluminum and rubber for durability and flexibility
• Compatible with R134a refrigerant systems
• Includes green O-rings [24677] and [24649] for secure sealing
• Equipped with fittings but without a bracket or muffler
• Designed as a direct O.E. replacement discharge line
• Features a P-nut fitting on the suction end for secure connection
• Does not include a service port or switch

About the Four Seasons Hose Assembly Product Line

The Four Seasons Hose Assembly line focuses on providing complete hose assemblies tailored for HVAC systems in various vehicles. This product line emphasizes compatibility and quality, offering components like discharge lines that meet original equipment specifications. The 66316 hose assembly is part of this line, ensuring it integrates seamlessly with your Mercedes-Benz A/C system.

Detailed Product Description

This A/C refrigerant discharge hose from Four Seasons is engineered to handle the demands of Mercedes-Benz models including the GL350 and ML series. The combination of aluminum and rubber materials offers resistance to corrosion and flexibility to withstand engine vibrations. The included green O-rings ensure a tight seal to prevent refrigerant leaks. Without a service port or switch, this hose assembly is designed for straightforward replacement of the original discharge line, maintaining system integrity and performance.

Common Issues Addressed by This Discharge Hose

• Refrigerant leaks due to worn or damaged discharge lines
• Reduced A/C system efficiency from compromised hose materials
• Failure of original discharge hose causing system pressure loss
• Corrosion or cracking in older aluminum/rubber hoses
• Improper sealing leading to refrigerant contamination

Installation Notes and Tips

• Ensure compatibility with your specific Mercedes-Benz model before installation
• Replace both O-rings included to maintain a proper seal
• Use appropriate tools to tighten the P-nut fitting without over-torquing
• Inspect surrounding components for wear during replacement
• Confirm system is evacuated and depressurized before removing old hose

Quality Assurance and Warranty

Four Seasons Hose Assembly 66316 is manufactured to meet or exceed original equipment standards for Mercedes-Benz vehicles. The product includes all necessary fittings and seals for a reliable installation. While specific warranty details vary, Four Seasons typically offers coverage against defects in materials and workmanship, supporting long-term performance and customer confidence.