Four Seasons 66319 A/C Refrigerant Suction Hose

Overview of Four Seasons Hose Assembly 66319

The Four Seasons Hose Assembly 66319 is designed specifically for Mercedes-Benz models including the C63 AMG, C300, C350, and GLK350. This A/C refrigerant suction hose is engineered to meet original equipment specifications, ensuring reliable performance in your vehicle's HVAC system.

• Constructed from durable aluminum and rubber materials
• Equipped with P-nut fittings on both ends for secure connections
• Compatible with R134a refrigerant systems
• Includes gasket and fittings for a complete installation
• Designed as a low-pressure suction line with flange suction end type
• O-ring included for proper sealing (green o-ring, part number 24681)
• Service port included for low side access without a switch port
• 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 automotive HVAC systems. This line emphasizes compatibility with original equipment standards and includes necessary components such as fittings and gaskets to facilitate installation. The 66319 hose assembly is part of this line, providing a direct replacement for suction lines in select Mercedes-Benz vehicles.

Detailed Product Description

The Four Seasons 66319 A/C refrigerant suction hose is constructed from a combination of aluminum and rubber, providing durability and flexibility required for effective refrigerant flow. Both ends feature P-nut fittings, ensuring a secure and leak-free connection within the low-pressure side of the air conditioning system. This hose is designed for use with R134a refrigerant and includes a green O-ring (part number 24681) to maintain a proper seal. The assembly comes with all necessary fittings and a gasket, but does not include a bracket, muffler, or switch. The suction end type is flange, and the hose includes a service port on the low-pressure side for maintenance access.

Common Applications and Issues Addressed

• Replacement of worn or damaged A/C refrigerant suction hoses in Mercedes-Benz C63 AMG, C300, C350, and GLK350 models
• Resolving refrigerant leaks caused by cracked or deteriorated hoses
• Restoring proper low-pressure refrigerant flow for efficient air conditioning performance
• Eliminating issues related to improper sealing with included O-ring and gasket
• Facilitating maintenance with a built-in service port on the low side

Installation Notes and Tips

• Ensure compatibility with your specific Mercedes-Benz model before installation
• Use the included gasket and O-ring to prevent refrigerant leaks
• Check that P-nut fittings are tightened securely to manufacturer torque specifications
• Inspect the surrounding components for wear or damage during installation
• Do not reuse old seals or fittings to maintain system integrity

Quality Assurance and Warranty

The Four Seasons Hose Assembly 66319 is an OE replacement part designed to meet or exceed original equipment standards. It undergoes rigorous quality control to ensure durability and proper fitment. While specific warranty details may vary, Four Seasons products typically come with a limited warranty against defects in materials and workmanship. Refer to the manufacturer’s warranty documentation for exact terms.