Four Seasons 66078 A/C Refrigerant Discharge / Suction Hose Assembly

Overview of Four Seasons Hose Assembly 66078

The Four Seasons Hose Assembly 66078 is designed specifically for Chevrolet Equinox and GMC Terrain models. This A/C refrigerant discharge and suction hose assembly ensures reliable performance in your vehicle's HVAC system by using durable aluminum and rubber materials.

• Compatible with Chevrolet Equinox and GMC Terrain
• Constructed from aluminum and rubber for durability
• Includes gasket and multiple O-rings for secure sealing
• Equipped with P-nut fittings on both discharge and suction ends
• Features a muffler and manifold block for noise reduction and system efficiency
• Designed for R134-a refrigerant type
• OE replacement part ensuring proper fit and function

Four Seasons Hose Assembly Product Line Details

The Four Seasons Hose Assembly product line focuses on providing high-quality HVAC hoses and pipes engineered to meet original equipment specifications. This line includes assemblies that combine both discharge and suction lines, offering a comprehensive solution for air conditioning system repairs. The 66078 part benefits from this product line's emphasis on durability and precise fitment, making it suitable for maintaining the HVAC performance in Chevrolet Equinox and GMC Terrain vehicles.

Detailed Product Description

This hose assembly is constructed with a combination of aluminum and rubber materials, providing strength and flexibility where needed. It is designed to handle R134-a refrigerant, the standard for many modern vehicles. The assembly includes a gasket and multiple slimline washer O-rings (part numbers 24402 and 24404) to ensure leak-free connections. Both the discharge and suction ends feature P-nut fittings, facilitating secure attachment to the vehicle's A/C system. Additionally, the assembly comes with a muffler and manifold block to reduce noise and improve system efficiency. While it includes a switch service port, the switch itself is not included, and the assembly does not come with a bracket or service port.

Common Applications and Issues Addressed

• Replacement of worn or leaking A/C refrigerant hoses in Chevrolet Equinox and GMC Terrain
• Resolving refrigerant leaks caused by damaged O-rings or fittings
• Addressing noise issues in the A/C system with the included muffler
• Restoring proper refrigerant flow and pressure in the HVAC system
• Upgrading to an OE replacement hose assembly for reliable performance

Installation Notes and Tips

When installing the Four Seasons Hose Assembly 66078, ensure all included O-rings and gaskets are properly seated to prevent leaks. The P-nut fittings require careful tightening to manufacturer specifications to avoid damage. Since the assembly does not include a bracket, verify existing mounting points are secure. The switch service port is present but does not include the switch, so plan accordingly if your vehicle requires a switch installation. Proper handling of the aluminum and rubber components during installation will help maintain the integrity of the hose assembly.

Quality Assurance and Warranty

This Four Seasons hose assembly is an OE replacement part, designed to meet or exceed original equipment standards for fit and function. It includes all necessary sealing components to ensure a reliable installation. While specific warranty details are not provided here, Four Seasons products typically come with manufacturer-backed quality assurance to support long-term use in Chevrolet Equinox and GMC Terrain vehicles.