Four Seasons 66610 A/C Refrigerant Suction Hose

Reliable A/C Refrigerant Suction Hose for Audi A4 Models

The Four Seasons Hose Assembly 66610 is designed specifically for Audi A4 and A4 Quattro vehicles, providing a durable and efficient solution for your HVAC system's low-pressure refrigerant line. Engineered with quality materials and precise fittings, this suction hose ensures proper refrigerant flow and system performance.

• Constructed from aluminum and rubber for durability and flexibility
• Features dual o-ring on one end and P-nut fitting on the other for secure connections
• Compatible with R134a refrigerant systems
• Includes gasket, fittings, and a 13 mm service port with switch port capability
• Designed as a low-pressure suction line without bracket or muffler
• OE replacement part ensuring proper fit and function

About the Four Seasons Hose Assembly Product Line

The Four Seasons Hose Assembly line focuses on delivering reliable hose assemblies tailored for HVAC systems in various vehicles. The 66610 part is part of this line, offering a complete suction hose solution with included fittings and seals to simplify installation and maintain system integrity. This product line emphasizes compatibility and quality to meet OEM standards.

Detailed Product Description

This A/C refrigerant suction hose assembly is constructed with a combination of aluminum and rubber materials, providing both strength and flexibility needed for the low-pressure side of the HVAC system. The hose features a dual o-ring connection on one end and a P-nut fitting on the other, ensuring leak-free sealing. It is designed for use with R134a refrigerant and includes a 13 mm service port with a switch port, facilitating system diagnostics and maintenance. The assembly comes with all necessary gaskets and fittings but does not include a bracket or muffler. As an OE replacement, part number 66610 fits Audi A4 and A4 Quattro models, maintaining factory specifications and performance.

Common Applications and Issues Addressed

• Replacement of worn or damaged A/C refrigerant suction hoses
• Resolving refrigerant leaks on the low-pressure side of the HVAC system
• Improving refrigerant flow and system efficiency in Audi A4 and A4 Quattro
• Restoring proper sealing with included dual o-rings and gaskets
• Facilitating service and diagnostics with integrated service port

Installation Notes and Tips

Ensure the vehicle is depressurized and the A/C system is properly evacuated before removing the old suction hose. Verify that the dual o-rings and gaskets are correctly seated to prevent leaks. Use the included fittings and service port for proper connection and system servicing. This hose assembly does not include a bracket or muffler, so retain or replace these components as needed. Confirm compatibility with Audi A4 or A4 Quattro models before installation.

Quality Assurance and Warranty

Four Seasons Hose Assembly 66610 is manufactured to meet OEM standards for fit, form, and function. The part includes all necessary seals and fittings to ensure a reliable installation. While specific warranty details are not provided, Four Seasons products typically come with a limited warranty against defects in materials and workmanship. Always consult product documentation or the manufacturer for exact warranty terms.