Four Seasons 66076 A/C Refrigerant Discharge / Suction Hose Assembly

OE Replacement A/C Hose Assembly

Four Seasons 66076 is an OE replacement A/C refrigerant discharge and suction hose assembly built for select Chevrolet Equinox and GMC Terrain applications. It combines aluminum and rubber construction with the correct block manifold, P-nut fittings, and integrated muffler details for a direct-fit service replacement.

This Four Seasons hose assembly is made for R134-A systems and includes the required seals and O-rings for the connection points. It is a practical replacement for a worn, leaking, or damaged A/C line on 2015-2017 Chevrolet Equinox and GMC Terrain models.

Key Features

• Part number 66076
• OE replacement A/C refrigerant discharge / suction hose assembly
• Aluminum / rubber construction
• For R134-A refrigerant systems
• Block manifold design with P-nut discharge and suction fittings
• Includes gasket or seal and O-rings
• Includes switch service port; switch not included
• With muffler
• Without bracket

Detailed Description

Four Seasons Hose Assembly 66076 is engineered as a direct replacement for the factory A/C refrigerant discharge and suction line. The hose assembly uses aluminum and rubber sections to match the routing and connection style found on the original equipment setup, while the block manifold and P-nut fitting ends support proper attachment at the compressor and line interfaces. It is listed as an OE replacement and is specified for R134-A refrigerant systems.

Fitment includes 2016-2017 Chevrolet Equinox, N/A; 2016-2017 GMC Terrain, N/A; 2015 Chevrolet Equinox, N/A, 2nd Design; and 2015 GMC Terrain, N/A, 2nd Design with Delphi compressor. This part number 66076 is also referenced by Bosch 66076 and UAC HA111989C for the same application.

What It Helps Fix

• Refrigerant leaks at the A/C hose assembly
• Cracked, worn, or damaged discharge and suction lines
• Loss of cooling performance from line failure
• Improper sealing at hose connection points
• Service issues related to compressor-side A/C line routing

Installation Notes

Verify the vehicle year, make, model, and engine-specific A/C configuration before installation. This hose assembly is listed with a switch service port, but the switch is not included. Confirm the compressor style and line routing on 2015 2nd Design and 2016-2017 applications before replacing the original hose assembly. Replace sealing surfaces as needed and follow standard A/C service procedures when evacuating and recharging the system.

Quality Assurance

Four Seasons 66076 is built as an OE replacement hose assembly for the listed Chevrolet Equinox and GMC Terrain applications. Its material mix, fitting style, and included sealing components are specified to match the original A/C line configuration for service repair work.