Four Seasons 63166 A/C Refrigerant Suction Hose

Product Overview

The Four Seasons 63166 A/C refrigerant suction hose is built for rear air conditioning applications that use R134A refrigerant. It combines aluminum and rubber construction with P-nut fittings at both ends for a direct hose assembly replacement.

Compatible With Chevrolet Express 2500, Chevrolet Express 3500, GMC Savana 2500, and GMC Savana 3500 models with rear AC. The Four Seasons 63166 is a practical choice when replacing a worn or leaking suction hose in these full-size vans.

Key Features

• Aluminum and rubber construction for a balance of strength and flexibility
• P-nut fittings on both ends for secure hose connections
• Built for R134A refrigerant systems
• Gasket or seal included
• Service port not included
• Bracket not included

Detailed Description

This A/C refrigerant suction hose is engineered as a hose assembly for rear AC systems in Chevrolet Express and GMC Savana vans. The design uses aluminum and rubber sections to handle routing and vibration while maintaining the connection points needed for refrigerant flow. Part number 63166 is also referenced by cross numbers 212860 and 1534991 for the same application.

Fits 2018-2025 Chevrolet Express 2500, N/A, vehicle with rear AC; hose assembly. Fits 2018-2025 Chevrolet Express 3500, N/A, vehicle with rear AC; hose assembly. Fits 2018-2025 GMC Savana 2500, N/A, vehicle with rear AC; hose assembly. Fits 2018-2025 GMC Savana 3500, N/A, vehicle with rear AC; hose assembly. If you are replacing a leaking suction line or restoring refrigerant circulation, this Four Seasons hose assembly 63166 is matched to the listed rear AC configurations.

Common Uses

• Replacing a damaged or leaking A/C suction hose
• Restoring refrigerant flow in a rear AC system
• Addressing connection issues at the hose ends
• Repairing an A/C line with worn seals or deteriorated hose material

Installation Notes

Verify refrigerant type, hose routing, and end connections before installation. This part is listed for vehicles with rear AC and uses P-nut fittings at both ends. Confirm the existing system configuration matches the fitment notes before replacing the hose assembly.

Quality Assurance

Four Seasons states that its products are engineered and tested for long service life, drawing on more than 50 years of mobile A/C experience. Part number 63166 is built to support dependable operation in the specified applications.