Four Seasons 63172 A/C Refrigerant Discharge / Suction Hose Assembly

Hose Assembly for A/C Service

The Four Seasons 63172 is an A/C refrigerant discharge and suction hose assembly built for vehicles using R134a service. It combines aluminum and rubber construction with a muffler, integrated service port, and included gasket or seal for a direct replacement-style repair.

• Aluminum and rubber construction for A/C line durability and flexibility.
• Discharge and suction line design for refrigerant transfer in the HVAC system.
• Includes a service port and gasket or seal for service-ready installation.
• Configured without a bracket and without loose fittings included.
• Supports R134A and R1234YF refrigerant applications.

Fitment Details

Compatible with Cadillac XT5, 2020-2024; Cadillac XT6, 2021-2024; Chevrolet Blazer, 2020-2024; and GMC Acadia, 2020-2023. This Four Seasons hose assembly is a fitment-specific replacement for HVAC service on these applications, and part number 63172 is the reference to verify before ordering.

What It Helps Address

• Refrigerant line leaks caused by worn hose materials or seal failure.
• Loss of A/C performance from damaged discharge or suction routing.
• Service port issues when the original line assembly is no longer reliable.
• Fitment problems when replacing an aging hose assembly with the correct configuration.

Installation Notes

Verify refrigerant type, end connections, and vehicle application before installation. This hose assembly uses a P-nut fitting on one end and a flange on the other, with no bracket and no separate fittings included. Confirm the existing line layout matches part number 63172 and the vehicle-specific A/C routing before service.

Quality Assurance

Four Seasons backs this hose assembly with more than 50 years of mobile A/C experience. The manufacturer states its products are engineered and tested for years of trouble-free operation, and part number 63172 is built for dependable HVAC service.