Four Seasons 56410 A/C Refrigerant Discharge Hose

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

The Four Seasons Hose Assembly 56410 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 EXT, Chevrolet Avalanche 1500, Silverado 1500/2500/3500, Suburban 1500/2500, Tahoe, and GMC Sierra 1500/2500/3500, Yukon, Yukon XL 1500/2500
• Includes gasket and fittings for a complete installation
• Equipped with a switch service port (M10x1.250) for easy system diagnostics
• O-ring slimline washers (part number 24402) included, quantity of two
• OE replacement part ensuring proper fit and function
• Features a P-nut fitting on the suction end for secure connection

About the Four Seasons Hose Assembly Product Line

The Four Seasons Hose Assembly line focuses on delivering precise HVAC hose and pipe replacements that meet original equipment specifications. The 56410 discharge hose assembly is part of this line, offering a direct OE replacement designed to maintain the integrity and performance of your vehicle’s air conditioning system without the need for additional components like brackets or mufflers.

Product Details and Specifications

This A/C refrigerant discharge hose is specifically built for R134a refrigerant systems and includes all necessary fittings and gaskets for installation. The hose assembly comes with a switch service port but does not include the switch itself. It is designed without a bracket or muffler, simplifying installation and reducing potential points of failure. The included slimline washer O-rings ensure a tight seal to prevent refrigerant leaks. This part number 56410 is an OE replacement, guaranteeing compatibility with your Cadillac Escalade, Chevrolet Silverado, or GMC Sierra models.

Common Issues Addressed by This Hose Assembly

• Leaking refrigerant due to worn or damaged discharge hose
• Reduced A/C system efficiency from compromised hose integrity
• Difficulty in servicing A/C system without proper switch service port
• Corrosion or damage to original hose fittings causing system failure
• Replacement of aged or cracked hoses to restore HVAC performance

Installation Notes and Tips

When installing the Four Seasons Hose Assembly 56410, ensure the system is fully evacuated and depressurized before removal of the old hose. Use the included slimline washer O-rings to maintain a proper seal at connection points. The P-nut fitting on the suction end requires careful tightening to avoid damage. Since the assembly does not include a bracket or muffler, verify existing mounting points and hardware for secure installation. The switch service port allows for easy connection of diagnostic tools but requires a compatible switch if needed.

Quality Assurance and Warranty

Four Seasons parts are manufactured to meet or exceed OEM standards, providing reliable performance and durability. The Hose Assembly 56410 is an OE replacement part, ensuring fit and function for your Cadillac, Chevrolet, or GMC vehicle. While specific warranty details may vary, Four Seasons typically offers coverage against defects in materials and workmanship to support long-term use.