Four Seasons 56170 A/C Refrigerant Discharge / Suction Hose Assembly

OE A/C Hose Assembly for Buick Regal

Four Seasons 56170 is an OE replacement A/C refrigerant discharge and suction hose assembly built for the 1996 Buick Regal. It uses aluminum and rubber construction with R134a refrigerant compatibility, making it a direct-fit service part for restoring refrigerant flow in the HVAC system.

Four Seasons Hose Assembly parts are built for repair work that follows original equipment routing and connection styles. This Four Seasons 56170 hose assembly includes the required seals and uses a manifold design with muffler, while omitting the service port, switch port, bracket, and fittings.

Key Features

• Part number 56170
• OE replacement A/C refrigerant discharge / suction hose assembly
• Compatible with R134a refrigerant systems
• Aluminum / rubber construction for HVAC routing and flexibility
• Female O-ring connections on both discharge and suction ends
• Manifold design with muffler
• Gasket or seal included
• O-rings included
• Built without service port, switch port, bracket, or fittings

Detailed Description

This Four Seasons 56170 hose assembly is a direct replacement for the A/C discharge and suction line on the 1996 Buick Regal. It is configured with UNF O-ring female ends, a manifold, and a muffler, and it is specified for R134a refrigerant systems. The assembly is intended to restore proper refrigerant transfer between A/C components while matching OE-style connection points and sealing surfaces. This part cross-references Gates 51798 for the same application.

For buyers searching for a 1996 Buick Regal A/C hose assembly, Buick Regal refrigerant discharge line, or Four Seasons 56170 HVAC hose replacement, this part provides the correct OE-style layout for service and repair work. The included seals and O-rings support proper sealing at the connection points when the system is reassembled.

What It Helps Repair

• Refrigerant leaks at the discharge or suction hose connections
• Loss of A/C performance caused by a damaged hose assembly
• Cracked, worn, or deteriorated aluminum/rubber HVAC lines
• Improper sealing at O-ring connection points
• Service replacement needs on a 1996 Buick Regal A/C system

Installation Notes and Tips

Verify the vehicle uses R134a refrigerant and confirm the hose routing, end style, and manifold layout before installation. Replace the included sealing components during assembly and inspect mating surfaces for wear or contamination. Because this part is supplied without a service port, switch port, bracket, or fittings, reuse only the components specified by the vehicle application.

Quality Assurance

Four Seasons 56170 is an OE replacement HVAC hose assembly built to match the original application for the 1996 Buick Regal. The part is specified with the correct end styles, included seals, and refrigerant compatibility for service-focused A/C repair.