Four Seasons 56404 A/C Refrigerant Discharge / Suction Hose Assembly

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

The Four Seasons Hose Assembly part number 56404 is designed specifically for Chevrolet and GMC truck models including C35, C1500, C2500, C3500, K1500, K2500, and K3500. This A/C refrigerant discharge and suction hose assembly ensures proper refrigerant flow and system integrity for vehicles using R134a refrigerant.

• Constructed from durable aluminum and rubber materials for long-lasting performance
• Includes green O-rings and sealing washers for secure, leak-free connections
• Equipped with a switch service port for easy system diagnostics
• Compatible with R134a refrigerant systems
• Designed as an OE replacement for direct fit and function

About the Four Seasons Hose Assembly Product Line

The Four Seasons Hose Assembly line focuses on providing high-quality HVAC hoses and pipes engineered to meet or exceed original equipment specifications. This product line emphasizes durability and precise fitment, ensuring reliable operation in vehicle air conditioning systems. The 56404 hose assembly is part of this line, offering a combination of aluminum and rubber construction tailored for Chevrolet and GMC truck models.

Detailed Product Description

This A/C refrigerant discharge and suction hose assembly features female UNF O-ring fittings on both discharge and suction ends, ensuring a secure and leak-resistant connection. The assembly includes multiple green O-rings ([24608], [24612], [24650]) and sealing washers ([24354]) to maintain system integrity. While fittings are not included, the hose comes with a switch service port to facilitate system monitoring and maintenance. The assembly does not include a bracket or muffler but is designed to work with the vehicle's existing manifold. It is compatible with R134a refrigerant, commonly used in Chevrolet and GMC trucks.

Common Applications and Issues Addressed

• Replacement of worn or damaged A/C refrigerant discharge and suction hoses
• Resolving refrigerant leaks caused by degraded O-rings or hose material
• Restoring proper refrigerant flow in Chevrolet C1500, C2500, C3500, and GMC K1500, K2500, K3500 trucks
• Improving A/C system performance by ensuring secure connections with included sealing components
• Facilitating system diagnostics with the integrated switch service port

Installation Notes and Tips

• Ensure compatibility with your specific Chevrolet or GMC truck model before installation
• Use the included green O-rings and sealing washers to prevent refrigerant leaks
• Check that the switch service port is properly connected for accurate system monitoring
• Do not reuse old fittings; this assembly does not include fittings and requires original or new fittings
• Follow manufacturer torque specifications for all connections to avoid damage

Quality Assurance and Warranty

The Four Seasons Hose Assembly 56404 is manufactured to meet original equipment standards, providing reliable performance in HVAC systems. This part is an OE replacement designed for direct fitment on compatible Chevrolet and GMC trucks. While specific warranty details are not provided here, Four Seasons products typically come with a limited warranty against defects in materials and workmanship. Verify warranty terms with the product documentation or supplier.