Four Seasons 56780 A/C Refrigerant Discharge / Suction Hose Assembly

Overview of Four Seasons Hose Assembly 56780

The Four Seasons Hose Assembly 56780 is designed specifically for Chevrolet and Pontiac models including the Grand Prix, Impala, and Monte Carlo. This A/C refrigerant discharge and suction hose assembly ensures reliable HVAC system performance by using durable aluminum and rubber materials compatible with R134-a refrigerant.

• Constructed from aluminum and rubber for durability and flexibility
• Compatible with R134-a refrigerant systems
• Includes slimline washer O-rings for secure sealing
• Equipped with a muffler and manifold for noise reduction and system efficiency
• Features P-nut fittings on both discharge and suction ends
• Gasket and O-rings included for proper installation
• Designed without switch service port, bracket, or fittings
• OE replacement part ensuring proper fit and function

Detailed Product Description

The Four Seasons Hose Assembly 56780 belongs to the Hose Assembly product line, which focuses on delivering reliable HVAC hose and pipe solutions for automotive air conditioning systems. This assembly combines aluminum and rubber materials to provide a balance of strength and flexibility, essential for maintaining refrigerant flow and system integrity. It is engineered for use with R134-a refrigerant, the standard for many modern vehicles, including Chevrolet Grand Prix, Impala, and Pontiac Monte Carlo models.

This hose assembly includes a manifold and muffler to reduce noise and vibration during operation. Both the discharge and suction ends utilize P-nut fittings, ensuring a secure and leak-free connection. The package comes with slimline washer O-rings (part numbers 24402 and 24404) to guarantee a tight seal, and a gasket is included to facilitate proper installation. Note that this assembly does not include fittings, brackets, or a switch service port, which may require separate procurement depending on your vehicle’s configuration.

Applications and Common Issues Addressed

• Replacement of worn or leaking A/C refrigerant discharge and suction hoses
• Restoring proper refrigerant flow in Chevrolet Grand Prix, Impala, and Pontiac Monte Carlo HVAC systems
• Eliminating noise and vibration caused by damaged or faulty hose assemblies
• Preventing refrigerant leaks that reduce cooling efficiency
• Ensuring compatibility with R134-a refrigerant systems for optimal performance

Installation Notes and Tips

• Verify compatibility with your specific Chevrolet or Pontiac model before installation
• Use the included gasket and O-rings to ensure a proper seal and prevent leaks
• Inspect fittings and brackets separately as they are not included with this assembly
• Handle the aluminum and rubber components carefully to avoid damage during installation
• Consult vehicle service manual for torque specifications on P-nut fittings

Quality Assurance and Warranty

The Four Seasons Hose Assembly 56780 is an OE replacement part designed to meet or exceed original equipment specifications. It undergoes rigorous quality control to ensure durability and reliable performance in Chevrolet and Pontiac HVAC systems. While specific warranty details are not provided here, Four Seasons products typically come with a limited warranty covering defects in materials and workmanship. Refer to the manufacturer’s warranty documentation for complete terms.