Four Seasons 65712 A/C Liquid Line with Orifice Tube

Overview of Four Seasons Hose Assembly 65712

The Four Seasons Hose Assembly 65712 is a precision-engineered A/C liquid line designed for select GM trucks and SUVs. Built with durable aluminum and featuring a serviceable orifice tube, this hose assembly ensures reliable refrigerant flow and system performance for vehicles using R134a refrigerant.

• Constructed from corrosion-resistant aluminum material
• Equipped with P-nut fittings on both ends for secure connections
• Includes a serviceable orifice tube for optimal refrigerant metering
• Comes with two slim line sealing washers (O-Ring 24402) for leak prevention
• Includes gasket seals and fittings for a complete assembly
• Features a service port for easy system maintenance
• Designed without a mounting bracket for flexible installation

Four Seasons Hose Assembly Product Line

The Four Seasons Hose Assembly product line focuses on delivering reliable HVAC hose and pipe solutions tailored for automotive air conditioning systems. This line emphasizes quality materials and precise fitment to maintain system integrity and performance. The 65712 liquid line hose assembly exemplifies this approach by combining durable aluminum construction with essential components like the orifice tube and sealing washers, ensuring compatibility and serviceability for specific GM models.

Detailed Product Description

The Four Seasons 65712 A/C liquid line hose assembly is engineered specifically for use with R134a refrigerant systems. Both ends feature P-nut fittings, providing a secure and leak-resistant connection to the vehicle’s HVAC components. The inclusion of a serviceable orifice tube allows for accurate refrigerant flow control, which is critical for maintaining proper cooling efficiency. This assembly also includes two slim line sealing washers (O-Ring 24402) and necessary gaskets to ensure a tight seal and prevent refrigerant leaks. The aluminum construction offers resistance to corrosion and heat, extending the service life of the hose assembly.

Compatible Vehicles and Applications

• Cadillac Escalade, Escalade ESV, Escalade EXT
• Chevrolet Avalanche 1500, Avalanche 2500, C1500, Cheyenne, Silverado 1500, Silverado 1500 HD, Silverado 2500, Silverado 2500 HD, Silverado 3500, Suburban 1500, Suburban 2500, Tahoe
• GMC Sierra 1500, Sierra 1500 HD, Sierra 2500, Sierra 2500 HD, Sierra 3500, Yukon, Yukon XL 1500, Yukon XL 2500

This hose assembly is designed to address common A/C system issues such as refrigerant leaks, poor cooling performance, and damaged or clogged orifice tubes.

Common Issues Addressed by This Hose Assembly

• Refrigerant leaks due to worn or damaged liquid lines
• Reduced A/C cooling efficiency from clogged orifice tubes
• Corrosion-related hose failure in older aluminum lines
• Loss of refrigerant pressure caused by faulty seals or fittings
• Difficulty servicing the A/C system without a service port

Installation Notes and Tips

When installing the Four Seasons 65712 hose assembly, ensure all old sealing washers are replaced with the included slim line sealing washers to prevent leaks. The P-nut fittings require proper torque to avoid overtightening, which can damage threads or cause leaks. Since this assembly does not include a mounting bracket, verify that the hose is securely supported using existing vehicle brackets or clamps. The service port allows for easy refrigerant charging and system diagnostics during installation or maintenance.

Quality Assurance and Warranty

Four Seasons products are manufactured to meet or exceed OEM specifications for durability and performance. The 65712 hose assembly undergoes rigorous quality control to ensure leak-free operation and long service life. While specific warranty details are not provided here, Four Seasons typically offers coverage against defects in materials and workmanship. Consult product documentation or manufacturer resources for exact warranty terms.