Four Seasons 66866 A/C Refrigerant Discharge Hose

Reliable A/C Refrigerant Discharge Hose for Hummer H2

The Four Seasons Hose Assembly part number 66866 is designed specifically for the Hummer H2 to ensure efficient and durable air conditioning system performance. This high-pressure A/C refrigerant discharge hose is engineered to meet OEM specifications and maintain system integrity under demanding conditions.

Key Features of Four Seasons Hose Assembly 66866

• Constructed from durable aluminum and rubber materials for long-lasting use
• Compatible with R134-a refrigerant systems
• Includes gasket and fittings for a complete installation
• Equipped with a switch service port and bracket for secure mounting
• Designed as a high-pressure discharge line with P-nut fitting suction end
• Includes two slimline washer O-rings (part number 24403) for proper sealing
• OE replacement part ensuring direct fit and function

Detailed Description of the Four Seasons Hose Assembly Line

The Four Seasons Hose Assembly product line focuses on providing reliable hose assemblies for automotive HVAC systems. This line includes components designed to handle high system pressures and maintain refrigerant flow without leaks. The 66866 discharge hose assembly is part of this line, offering a precise fit for the Hummer H2’s air conditioning system. It comes with all necessary fittings, a bracket for secure installation, and a switch service port to facilitate system diagnostics and maintenance. The combination of aluminum and rubber materials balances flexibility with durability, ensuring consistent performance in high-pressure environments.

Applications and Common Issues Addressed

• Replacement of worn or leaking A/C refrigerant discharge hoses in Hummer H2 vehicles
• Restoring proper refrigerant flow to improve air conditioning efficiency
• Resolving high-pressure system leaks caused by damaged or cracked hoses
• Eliminating issues related to faulty or missing gaskets and seals
• Facilitating maintenance with included switch service port and fittings

Installation Notes and Tips

• Ensure system is depressurized before removing the old discharge hose
• Use the included gasket and O-rings to prevent refrigerant leaks
• Secure the hose assembly using the provided bracket to avoid vibration damage
• Verify the switch service port is properly connected for system monitoring
• Check all fittings for tightness and proper alignment during installation

Quality Assurance and Warranty

The Four Seasons Hose Assembly 66866 is manufactured to meet or exceed OEM standards for fit, form, and function. It is an exact OE replacement part designed for the Hummer H2’s HVAC system. The product includes all necessary components for installation and is backed by Four Seasons’ quality control processes. Warranty details should be confirmed with the product documentation or manufacturer.