Four Seasons 66110 A/C Refrigerant Discharge / Suction Hose Assembly

Four Seasons 66110 A/C Hose Assembly

The Four Seasons 66110 hose assembly is an OE replacement A/C refrigerant discharge and suction line for select Saturn Vue models. Built with aluminum and rubber construction, it is configured for R134a systems and includes the seals and O-rings needed for a proper refrigerant connection.

Compatible with 2005-2007 Saturn Vue, this hose assembly is a direct-fit service part for the 2nd section of the HVAC line routing. The Four Seasons hose assembly line focuses on replacement components that match original equipment style connections and system requirements.

Key Features

• Part number: 66110
• OE replacement A/C refrigerant discharge / suction hose assembly
• Aluminum / rubber construction
• For R134a refrigerant systems
• Includes gasket or seal
• Includes O-rings
• Includes switch port
• Manifold style: yes, with block suction style
• P-nut fitting on discharge and suction ends
• Without bracket, without muffler, without service port

Detailed Description

Four Seasons 66110 is an HVAC hose assembly engineered as an OE-style replacement for the A/C refrigerant discharge and suction line on 2005-2007 Saturn Vue models. It uses aluminum and rubber materials to balance routing flexibility with refrigerant-line durability, and it is set up for R134a applications. The assembly includes the gasket or seal and O-rings, and it features a switch port for the system connection specified by the application. This part number 66110 is also referenced by Bosch 66110 and UAC HA11162C for the same application.

What It Is Used For

• Replacing a leaking or damaged A/C discharge and suction hose assembly
• Restoring refrigerant flow in a Saturn Vue HVAC system
• Addressing cracked, corroded, or worn hose sections
• Correcting connection issues at the P-nut fitting ends
• Servicing the 2nd section of the hose assembly on 2005-2007 Saturn Vue

Installation Notes and Tips

Verify the vehicle is a 2005-2007 Saturn Vue before ordering. Confirm the line routing, end style, and switch-port configuration against the original part, since this assembly is listed as the 2nd section hose assembly and does not include a bracket, muffler, or service port. Replace any disturbed seals and evacuate and recharge the A/C system according to factory service procedures after installation.

Quality Assurance

Four Seasons supplies OE replacement HVAC components built to match application-specific fitment and connection requirements. Part number 66110 is specified for the listed Saturn Vue applications and cross-references Bosch 66110 and UAC HA11162C.