Four Seasons 65680 A/C Liquid Line with Orifice Tube

Reliable A/C Liquid Line Hose Assembly for Buick Park Avenue

The Four Seasons Hose Assembly part number 65680 is designed specifically for the Buick Park Avenue. This A/C liquid line with orifice tube ensures proper refrigerant flow and system pressure management in your vehicle's HVAC system.

• Constructed from durable aluminum and rubber materials
• Compatible with R134-a refrigerant systems
• Includes gasket and fittings for secure connections
• Features a flange-style liquid line and suction end
• Equipped with a service port sized at 16 mm on the high-pressure side
• Comes with two green O-rings [24661] and one green O-ring [23678]
• Includes a serviceable orifice tube for precise refrigerant metering
• 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. This product line emphasizes quality materials and precise engineering to maintain system integrity and performance. The 65680 liquid line hose assembly is part of this line, offering a flange-style design with included fittings and seals to meet OEM specifications.

Product Details and Specifications

This A/C liquid line hose assembly is constructed from a combination of aluminum and rubber, providing durability and flexibility needed for high-pressure refrigerant systems using R134-a. The flange-style liquid line and suction end ensure a secure and leak-resistant connection. The included green O-rings ([24661] and [23678]) provide effective sealing, while the serviceable orifice tube regulates refrigerant flow accurately. The 16 mm service port on the high-pressure side allows for easy system servicing without the need for additional components.

Common Applications and Issues Addressed

• Replacement of worn or damaged A/C liquid lines in Buick Park Avenue vehicles
• Resolving refrigerant leaks caused by cracked or deteriorated hoses
• Restoring proper refrigerant flow and system pressure for efficient cooling
• Fixing issues related to faulty orifice tubes affecting A/C performance
• Ensuring secure connections with included fittings and seals to prevent system contamination

Installation Notes and Tips

When installing the Four Seasons 65680 hose assembly, ensure all old seals and O-rings are removed and replaced with the included green O-rings to maintain a proper seal. The flange-style connections require careful alignment to avoid leaks. Since this assembly includes a service port on the high-pressure side, it facilitates easier system diagnostics and refrigerant charging. Verify compatibility with your Buick Park Avenue model year before installation.

Quality Assurance and Warranty

Four Seasons products are engineered to meet or exceed OEM standards. The 65680 hose assembly is an OE replacement part, ensuring fit and function consistent with factory specifications. This product includes all necessary gaskets and fittings to maintain system integrity. Warranty details are provided by Four Seasons and typically cover defects in materials and workmanship.