Four Seasons 56154 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 56154 is designed specifically for Chevrolet and GMC heavy-duty trucks, including C2500, C2500 Suburban, C3500, K2500, K2500 Suburban, and K3500 models. 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
• Compatible with R134a refrigerant systems
• Includes green o-rings and sealing washers for secure connections
• Features a female o-ring style on both discharge and suction ends
• Equipped with a service port with R134a quick disconnect
• Includes a muffler and manifold for noise reduction and system efficiency
• Does not include fittings or brackets
• O.E. replacement part ensuring proper fit and function

About the Four Seasons Hose Assembly Product Line

The Four Seasons Hose Assembly line focuses on delivering reliable HVAC hose and pipe solutions tailored to specific vehicle applications. This product line emphasizes quality materials and precise fitment to maintain the integrity of the vehicle’s air conditioning system. The 56154 hose assembly is engineered to meet original equipment specifications for Chevrolet and GMC trucks, providing a direct replacement for worn or damaged refrigerant lines.

Product Details and Specifications

This hose assembly combines aluminum and rubber components to withstand the pressures and temperatures typical in automotive A/C systems. It is designed for use with R134a refrigerant and includes multiple o-rings—specifically green o-rings and sealing washers—to ensure leak-free connections. The discharge and suction ends both utilize female o-ring fittings, facilitating secure attachment to the vehicle’s A/C system. The assembly also features a built-in muffler and manifold to reduce noise and improve system performance. While fittings and brackets are not included, the hose assembly comes with a service port equipped with a quick disconnect switch port for convenient maintenance.

Common Applications and Issues Addressed

• Replacement of leaking or damaged A/C refrigerant discharge and suction hoses
• Restoring proper refrigerant flow in Chevrolet C2500 and GMC K2500 Suburban A/C systems
• Eliminating noise caused by faulty or worn mufflers in the refrigerant line
• Ensuring secure, leak-free connections with included o-rings and sealing washers
• Maintaining system efficiency and preventing refrigerant loss in heavy-duty trucks

Installation Notes and Tips

When installing the Four Seasons 56154 hose assembly, ensure all old o-rings and seals are removed and replaced with the included new o-rings to prevent leaks. The female o-ring fittings require careful alignment to avoid damage during connection. Since fittings and brackets are not included, verify that existing hardware is in good condition or replace as necessary. The service port with quick disconnect allows for easier system servicing and refrigerant charging. Proper torque specifications should be followed to maintain system integrity.

Quality Assurance and Warranty

Four Seasons provides this hose assembly as an original equipment replacement part, ensuring compatibility and performance consistent with factory standards. The inclusion of all necessary o-rings and sealing washers supports a reliable, leak-free installation. While specific warranty details are not provided here, Four Seasons products typically come with a limited warranty covering defects in materials and workmanship.