Four Seasons 56777 A/C Refrigerant Discharge Hose

Overview of Four Seasons Hose Assembly 56777

The Four Seasons Hose Assembly 56777 is designed specifically for the HVAC system of select Cadillac and Chevrolet models. This A/C refrigerant discharge hose is engineered to meet original equipment specifications, ensuring reliable performance in your vehicle's air conditioning system.

• Compatible with Cadillac Escalade EXT and Chevrolet Avalanche 1500
• Designed for R134a refrigerant systems
• Includes gasket, fittings, and two types of O-rings for secure sealing
• Equipped with a service port featuring an M10 size for easy maintenance
• Discharge line component with P-nut fitting on the suction end
• Does not include bracket, muffler, or switch

Product Line: Four Seasons Hose Assembly

The Four Seasons Hose Assembly product line focuses on delivering precise replacement hoses and pipes for automotive HVAC systems. This line includes components like discharge lines that are built to match original equipment standards, providing dependable fit and function. The 56777 hose assembly is part of this line, offering a direct replacement solution for specific Cadillac and Chevrolet models requiring R134a refrigerant compatibility.

Detailed Product Description

The Four Seasons 56777 A/C refrigerant discharge hose is a critical component in the air conditioning system of the Cadillac Escalade EXT and Chevrolet Avalanche 1500. It serves as the discharge line, channeling refrigerant efficiently while maintaining system integrity. The hose assembly includes essential fittings and gaskets, along with two slimline washers (O-ring 24402) and two green O-rings (O-ring 24606) to ensure leak-free connections. The service port with an M10 size allows for convenient system servicing, although the assembly does not include a switch or bracket. The suction end features a P-nut fitting for secure attachment.

Common Applications and Issues Addressed

• Replacement of worn or leaking A/C refrigerant discharge hoses
• Restoring proper refrigerant flow in Cadillac Escalade EXT and Chevrolet Avalanche 1500 HVAC systems
• Resolving refrigerant leaks caused by damaged or degraded seals and fittings
• Maintaining system pressure and preventing contamination
• Facilitating routine A/C system maintenance with included service port

Installation Notes and Tips

• Ensure compatibility with Cadillac Escalade EXT and Chevrolet Avalanche 1500 before installation
• Use the included gaskets and O-rings to prevent refrigerant leaks
• Check the service port size (M10) for proper tool fit during servicing
• Do not attempt to reuse old seals or fittings to maintain system integrity
• Installation should be performed by a qualified technician familiar with R134a refrigerant systems

Quality Assurance and Warranty

The Four Seasons Hose Assembly 56777 is an OE replacement part, manufactured to meet or exceed original equipment standards. It includes all necessary seals and fittings to ensure a proper, leak-free installation. While specific warranty details are not provided here, Four Seasons products typically come with a limited warranty covering defects in materials and workmanship. For exact warranty terms, consult the product documentation or manufacturer.