Four Seasons 56775 A/C Refrigerant Discharge Hose

Reliable A/C Refrigerant Discharge Hose for GM Trucks and SUVs

The Four Seasons Hose Assembly part number 56775 is designed to provide a dependable replacement for the A/C refrigerant discharge hose in select Cadillac, Chevrolet, and GMC vehicles. Engineered for use with R134a refrigerant, this discharge line ensures proper function of your vehicle's HVAC system.

• Compatible with Cadillac Escalade, Escalade ESV, Escalade EXT, Chevrolet Avalanche 1500, Cheyenne, Silverado 1500/1500 HD/2500/2500 HD, Suburban 1500/2500, Tahoe, and GMC Sierra 1500/1500 HD, Sierra 2500, Yukon, Yukon XL 1500/2500
• Includes gasket and fittings for a secure, leak-free installation
• Equipped with a switch service port featuring M10 x 1.25 thread size (switch not included)
• O-rings included: two slimline washers (24402) and one green O-ring (24606)
• OE replacement part designed without bracket or muffler for direct fit

About the Four Seasons Hose Assembly Product Line

The Hose Assembly line from Four Seasons focuses on delivering precise HVAC hose and pipe replacements that meet original equipment specifications. This A/C refrigerant discharge hose is part of that line, engineered to maintain system integrity and refrigerant flow in vehicles using R134a refrigerant. The assemblies come with necessary seals and fittings to simplify installation and ensure compatibility with factory components.

Product Details and Specifications

Part number 56775 is a discharge line designed specifically for R134a refrigerant systems. It features a P-nut fitting on the suction end and includes a service port with a switch port thread size of M10 x 1.25, although the switch itself is not included. The hose assembly comes with two slimline washer O-rings and one green O-ring to ensure a tight seal. This part does not include a bracket or muffler, aligning with original equipment design for a direct replacement fit.

Common Applications and Issues Addressed

• Replacement of leaking or damaged A/C refrigerant discharge hoses
• Restoring proper refrigerant flow in Cadillac Escalade and Chevrolet Silverado HVAC systems
• Resolving A/C system pressure loss due to worn or faulty discharge lines
• Eliminating refrigerant leaks caused by degraded seals or fittings
• Maintaining system efficiency in GMC Sierra and Yukon models

Installation Notes and Tips

When installing the Four Seasons Hose Assembly 56775, ensure all O-rings are properly seated to prevent leaks. The included gasket and fittings should be used as supplied to maintain system integrity. Note that the switch is not included, so if your vehicle requires a switch, it must be sourced separately. This hose assembly is designed for direct OE replacement without the need for additional brackets or mufflers.

Quality Assurance and Warranty

Four Seasons products are manufactured to meet or exceed original equipment standards. Part number 56775 is an OE replacement part, ensuring compatibility and reliability. While specific warranty details are not provided here, Four Seasons typically offers coverage against defects in materials and workmanship, supporting long-term performance in your Cadillac, Chevrolet, or GMC vehicle.