Four Seasons 56412 A/C Refrigerant Discharge Hose

Overview of Four Seasons Hose Assembly 56412

The Four Seasons Hose Assembly 56412 is designed specifically for A/C refrigerant discharge applications in select GM vehicles. Engineered to meet original equipment specifications, this hose assembly ensures reliable performance for Cadillac Escalade, Chevrolet Suburban 1500 and 2500, Tahoe, and GMC Yukon models.

• Compatible refrigerant type: R134a
• Includes gasket and fittings for secure connections
• Equipped with one M10x1.250 switch service port (switch not included)
• Features a P-nut fitting on the suction end
• OE replacement part without bracket or muffler
• Includes two slimline washer O-rings (part number 24402)

Four Seasons Hose Assembly Product Line Details

The Four Seasons Hose Assembly product line focuses on delivering precise hose assemblies for HVAC systems, particularly for refrigerant discharge lines. This line emphasizes compatibility with original equipment standards, providing components such as gaskets, fittings, and service ports to facilitate proper installation and maintenance. The 56412 part number is part of this line, offering a direct replacement solution for specific GM full-size SUVs and trucks.

Product Description and Features

This A/C refrigerant discharge hose assembly is designed to handle R134a refrigerant, ensuring proper flow and pressure management within the vehicle's HVAC system. The included gasket and fittings help maintain a leak-free seal, while the integrated switch service port allows for diagnostic or service access without removing the hose. The P-nut fitting on the suction end provides a secure connection point, and the two included slimline washer O-rings (24402) ensure tight sealing at connection points. This hose assembly does not include a bracket or muffler, aligning with original equipment design for the specified vehicle models.

Applications and Common Issues Addressed

• Replacement of worn or leaking A/C refrigerant discharge hoses
• Restoring proper refrigerant flow in Cadillac Escalade and Chevrolet Suburban HVAC systems
• Resolving refrigerant leaks caused by damaged fittings or seals
• Maintaining system pressure and preventing contamination in GMC Yukon models
• Facilitating service port access for A/C system diagnostics and maintenance

Installation Notes and Tips

When installing the Four Seasons Hose Assembly 56412, ensure all O-rings are properly seated to prevent leaks. The included gasket and fittings should be inspected for damage before installation. Since the hose assembly does not include a bracket or muffler, verify existing mounting points and hardware compatibility. Use appropriate torque specifications for the P-nut fitting and switch service port to avoid overtightening. This part is designed as a direct OE replacement, so installation should follow manufacturer guidelines for the specific vehicle model.

Quality Assurance and Warranty

Four Seasons products are manufactured to meet or exceed original equipment standards. The Hose Assembly 56412 undergoes rigorous quality control to ensure durability and performance in demanding automotive HVAC environments. This part is an OE replacement, providing confidence in fit and function for Cadillac Escalade, Chevrolet Suburban 1500 and 2500, Tahoe, and GMC Yukon models. Warranty coverage details should be confirmed with the product documentation or supplier.