Four Seasons 66322 A/C Refrigerant Suction Hose

Overview of Four Seasons Hose Assembly 66322

The Four Seasons Hose Assembly 66322 is designed specifically for Mercedes-Benz S63 AMG, S500, and S550 models. This A/C refrigerant suction hose ensures reliable low-pressure system performance using R134a refrigerant, combining aluminum and rubber materials for durability and flexibility.

• Constructed from durable aluminum and rubber materials
• Features flange and P-nut fitting ends for secure connections
• Compatible with R134a refrigerant systems
• Includes gasket, fittings, and a green O-ring (part number 24681)
• Designed as a low-pressure suction line without muffler or bracket
• Equipped with a switch service port but does not include the switch
• OE replacement part ensuring proper fit and function

Four Seasons Hose Assembly Product Line Details

The Four Seasons Hose Assembly product line focuses on delivering reliable hose assemblies for HVAC systems in vehicles. This line emphasizes quality materials and precise fitment to maintain system integrity and performance. The 66322 hose assembly is part of this line, providing a direct OE replacement for Mercedes-Benz models requiring a low-pressure suction hose with specific fittings and seals.

Detailed Product Description

This A/C refrigerant suction hose assembly (part number 66322) is engineered for Mercedes-Benz S63 AMG, S500, and S550 vehicles. It features a combination of aluminum and rubber construction to withstand the demands of the HVAC system while maintaining flexibility. The hose ends include a flange on one side and a P-nut fitting on the other, ensuring a secure and leak-free connection. The assembly is designed for use with R134a refrigerant and includes all necessary fittings, a gasket, and a green O-ring (24681) for proper sealing. It is a low-pressure suction line without a muffler or bracket, and it comes with a switch service port but does not include the switch itself. This hose assembly is an OE replacement part, ensuring compatibility and reliable performance in the specified Mercedes-Benz models.

Common Applications and Issues Addressed

• Replacement of worn or damaged A/C refrigerant suction hoses
• Resolving refrigerant leaks in low-pressure suction lines
• Restoring proper refrigerant flow in Mercedes-Benz S63 AMG, S500, and S550 HVAC systems
• Addressing issues related to faulty or missing gaskets and seals
• Improving system pressure stability by replacing compromised hoses

Installation Notes and Tips

When installing the Four Seasons Hose Assembly 66322, ensure the vehicle is compatible with the part by verifying the make and model. Use proper tools to connect the flange and P-nut fittings securely. Replace the included green O-ring (part number 24681) to maintain a tight seal and prevent leaks. Since the assembly does not include a bracket or muffler, verify existing mounting points and hardware for secure installation. The switch service port is included, but the switch itself must be installed separately if required.

Quality Assurance and Warranty

Four Seasons provides this hose assembly as an OE replacement part, meeting original equipment specifications for fit and function. The materials and construction are selected to ensure durability and reliable performance in Mercedes-Benz HVAC systems. Warranty details are subject to Four Seasons' standard coverage policies, which typically cover defects in materials and workmanship.