Four Seasons 63165 A/C Refrigerant Suction Hose

Hose Assembly for A/C Refrigerant Suction

Four Seasons 63165 is an A/C refrigerant suction hose assembly built for vehicles that use R134A refrigerant and a hose-and-pipe style connection. It uses aluminum and rubber construction with P-nut fittings at both ends for a direct service replacement.

Key Features

• Aluminum and rubber construction for the refrigerant suction circuit
• P-nut fittings on both ends for secure connection points
• R134A refrigerant type application
• Gasket or seal included for service installation
• Built without a bracket, muffler, or service port

Detailed Description

This Four Seasons hose assembly is engineered for HVAC service where the suction line needs to be replaced with a part that matches the original connection style. The aluminum and rubber design balances routing flexibility with refrigerant-line durability, while the included seal supports a proper connection at installation. Part number 63165 is a practical replacement choice for Chevrolet Express 2500, Chevrolet Express 3500, GMC Savana 2500, and GMC Savana 3500 applications that use this configuration.

Four Seasons Hose Assembly line products draw on more than 50 years of mobile A/C experience and are tested for dependable operation in refrigerant system service. This part cross-references Continental 63165 for the same application.

What It Is Used For

• Replacing a leaking or damaged A/C suction hose
• Restoring refrigerant flow in the suction side of the HVAC system
• Addressing cracked rubber sections or worn connection points
• Servicing R134A refrigerant line assemblies with matching fittings
• Repairing HVAC performance issues tied to hose failure

Installation Notes and Tips

Verify the vehicle uses the listed hose assembly configuration and does not have rear A/C before installation. Confirm both end fittings match the original line, and replace the seal during service to help maintain a proper refrigerant connection. Part number 63165 should be matched to the vehicle’s HVAC layout before removal of the original hose.

Quality Assurance

Four Seasons states that its products are engineered and tested for years of trouble-free operation, backed by more than 50 years of mobile A/C experience.