Four Seasons 56487 A/C Refrigerant Discharge Hose

Reliable A/C Refrigerant Discharge Hose for Chevrolet and GMC Trucks

The Four Seasons Hose Assembly part number 56487 is designed specifically for heavy-duty Chevrolet and GMC trucks. This A/C refrigerant discharge hose ensures proper refrigerant flow and system performance for models like the Silverado 2500 HD and Sierra 3500 HD.

• Compatible with Chevrolet Silverado 2500 HD, Silverado 3500 HD, Sierra 2500 HD, and Sierra 3500 HD models
• Designed for R134a refrigerant systems
• Includes gasket and fittings for secure installation
• Equipped with a switch service port for system diagnostics
• O-rings included: two slimline washers and one green o-ring
• OE replacement part ensuring proper fit and function
• Features a P-nut fitting on the suction end

About the Four Seasons Hose Assembly Product Line

The Four Seasons Hose Assembly line focuses on delivering durable and precise HVAC hose components for automotive air conditioning systems. The 56487 discharge hose assembly is part of this line, engineered to meet OEM specifications and provide reliable refrigerant flow without leaks or pressure loss. This product line supports professional repairs and maintenance for heavy-duty truck HVAC systems.

Product Details and Specifications

This A/C refrigerant discharge hose is built for use with R134a refrigerant and includes all necessary fittings and gaskets for a complete installation. The assembly comes with two slimline washer O-rings and one green O-ring to ensure a tight seal. It features a switch service port to facilitate system checks, although the switch itself is not included. The hose assembly does not include a bracket or muffler, and the suction end uses a P-nut fitting for secure connection. This part is an exact OE replacement, designed to maintain factory performance standards.

Common Applications and Issues Addressed

• Replacement of worn or leaking A/C refrigerant discharge hoses
• Restoring proper refrigerant flow in Chevrolet Silverado 2500 HD and GMC Sierra 3500 HD air conditioning systems
• Fixing refrigerant leaks caused by damaged O-rings or fittings
• Upgrading to a reliable OE replacement hose assembly
• Resolving A/C system pressure loss due to hose failure

Installation Notes and Tips

When installing the Four Seasons 56487 hose assembly, ensure all included O-rings and gaskets are properly seated to prevent leaks. The switch service port allows for easy system diagnostics but requires a compatible switch if needed. Verify the P-nut fitting is securely tightened on the suction end. This hose assembly does not include a bracket or muffler, so reuse existing mounting hardware if applicable. Follow manufacturer torque specifications for all fittings.

Quality Assurance and Warranty

Four Seasons products are manufactured to meet or exceed OEM standards. The 56487 hose assembly is an OE replacement part, ensuring compatibility and durability for Chevrolet and GMC heavy-duty trucks. While specific warranty details are not provided here, Four Seasons typically offers coverage against defects in materials and workmanship. Consult product documentation for exact warranty terms.