Four Seasons 66018 A/C Refrigerant Suction Hose

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

The Four Seasons Hose Assembly 66018 is designed to provide dependable performance for your vehicle's HVAC system. Specifically engineered for Chevrolet Silverado 2500 HD, Silverado 3500 HD, GMC Sierra 2500 HD, and Sierra 3500 HD models, this A/C refrigerant suction hose ensures proper refrigerant flow and system efficiency.

• Constructed from durable aluminum and rubber materials for long-lasting use
• Features a block type connection on one end and a captured o-ring on the other
• Compatible with R134-a refrigerant systems operating under low pressure
• Includes gasket and fittings for a complete installation
• OE replacement part designed without a switch service port or muffler
• Flange suction end type for secure attachment

About the Four Seasons Hose Assembly Product Line

The Four Seasons Hose Assembly line focuses on delivering precise HVAC hose solutions tailored to specific vehicle applications. The 66018 suction hose assembly is part of this line, offering a direct OE replacement that meets original equipment specifications. This ensures compatibility and reliable performance within the HVAC system of select Chevrolet and GMC heavy-duty trucks.

Detailed Product Description

This A/C refrigerant suction hose assembly combines aluminum and rubber components to withstand the demands of low-pressure refrigerant flow in R134-a systems. The block type fitting on one end and captured o-ring on the other provide secure, leak-resistant connections. Included gaskets and fittings simplify installation, while the flange suction end type ensures a proper seal. The hose assembly does not include a switch or muffler and is designed without a bracket or service port, matching the original equipment setup for the specified truck models.

Common Issues Addressed by This Suction Hose

• Leaking refrigerant causing reduced A/C cooling efficiency
• Damaged or cracked hoses leading to system pressure loss
• Corrosion or wear on fittings resulting in poor connections
• Failure of original suction line components in Chevrolet Silverado 2500 HD and GMC Sierra 3500 HD trucks
• Replacement of worn or faulty A/C refrigerant suction hoses to restore system function

Installation Notes and Tips

• Ensure the vehicle is compatible: Chevrolet Silverado 2500 HD, Silverado 3500 HD, GMC Sierra 2500 HD, or Sierra 3500 HD
• Verify refrigerant type R134-a before installation
• Use included gaskets and fittings to prevent leaks
• Inspect surrounding components for wear or damage during replacement
• Follow manufacturer torque specifications for fittings and connections

Quality Assurance and Warranty

The Four Seasons Hose Assembly 66018 is an OE replacement part manufactured to meet original equipment standards. It is constructed from high-quality aluminum and rubber materials to ensure durability and reliable performance in low-pressure A/C systems. While specific warranty details are not provided, Four Seasons products typically adhere to industry quality standards for automotive HVAC components.