Four Seasons 66320 A/C Refrigerant Suction Hose

Overview of Four Seasons Hose Assembly 66320

The Four Seasons Hose Assembly 66320 is designed specifically for Mercedes-Benz C300, C350, E300, and E350 models. This A/C refrigerant suction hose ensures reliable low-pressure refrigerant flow within your vehicle's HVAC system, maintaining optimal air conditioning performance.

• Constructed from durable aluminum and rubber materials
• Features a flange end and a P-nut fitting end for secure connections
• Compatible with R134a refrigerant systems
• Includes gasket and fittings for proper sealing and installation
• OE replacement part designed for low-pressure suction line applications
• Does not include a service port, switch, bracket, or muffler
• Equipped with a green round O-ring (part number 24635) for leak prevention

Detailed Product Description

The Four Seasons Hose Assembly 66320 belongs to the Hose Assembly product line, which focuses on delivering reliable and precise HVAC hose and pipe solutions. This particular suction hose assembly is engineered to meet original equipment specifications, ensuring compatibility and performance for Mercedes-Benz C300, C350, E300, and E350 vehicles. The combination of aluminum and rubber materials provides durability and flexibility, while the flange and P-nut fitting ends facilitate secure and leak-free connections within the A/C system. Designed for use with R134a refrigerant, this hose assembly operates under low system pressure and includes all necessary fittings and a gasket for a complete installation.

Applications and Common Issues Addressed

• Replacement of worn or damaged A/C refrigerant suction hoses in Mercedes-Benz C300, C350, E300, and E350
• Resolving refrigerant leaks caused by cracked or deteriorated hose materials
• Restoring proper refrigerant flow to improve air conditioning efficiency
• Eliminating low-pressure system failures due to faulty suction lines
• Ensuring secure connections with included fittings and gasket to prevent system contamination

Installation Notes and Tips

• Verify compatibility with your specific Mercedes-Benz model before installation
• Ensure all fittings and the included gasket are properly seated to prevent leaks
• Do not attempt to install if the hose or fittings show signs of damage
• Use appropriate tools to tighten flange and P-nut fittings without over-torquing
• Check for refrigerant leaks after installation and system recharge

Quality Assurance and Warranty

The Four Seasons Hose Assembly 66320 is an OE replacement part manufactured to meet strict quality standards. It includes a green round O-ring (part number 24635) to ensure a reliable seal. While specific warranty details are not provided, Four Seasons products typically undergo rigorous testing to comply with automotive HVAC system requirements, offering dependable performance for Mercedes-Benz C300, C350, E300, and E350 models.