Four Seasons 63163 A/C Refrigerant Discharge / Suction Hose Assembly

Overview

Four Seasons 63163 is an A/C refrigerant discharge and suction hose assembly built for vehicles using R1234yf refrigerant. It combines aluminum and rubber construction with a muffler and an included service port for a direct replacement style repair.

Compatible with Cadillac XT5, Cadillac XT6, Chevrolet Blazer, and GMC Acadia applications, this hose assembly is identified by part number 63163 and cross-references Continental 63163 for the same application.

Key Features

• Aluminum / rubber construction for A/C line durability and flexibility
• Discharge and suction line design for refrigerant transfer
• Includes service port and muffler
• Uses a P-nut fitting on one end and a flange on the other
• Supports R134a and R1234yf refrigerant types
• Four Seasons part number 63163 for catalog matching

Product Details

This Four Seasons hose assembly is engineered as a replacement A/C line for modern GM and Cadillac HVAC systems. The discharge and suction line layout, combined with the aluminum/rubber build, helps restore refrigerant routing where the original hose has leaked, cracked, or lost sealing performance. The included service port and muffler support proper system service and line function, while the no-bracket design keeps the assembly focused on the hose itself.

Fits 2020-2025 Cadillac XT5, N/A; Fits 2021-2025 Cadillac XT6, N/A; Fits 2020-2025 Chevrolet Blazer, N/A; Fits 2020-2023 GMC Acadia, N/A.

Common Repair Uses

• Replaces a leaking or damaged A/C refrigerant hose assembly
• Restores refrigerant flow in discharge and suction circuits
• Addresses service port or sealing issues in the line assembly
• Helps correct A/C performance loss caused by hose deterioration

Installation Notes

Verify refrigerant type, end connections, and routing before installation. Confirm the vehicle uses the listed hose assembly configuration and inspect mating seals and related A/C components during service. This part number is 63163.

Quality Assurance

Four Seasons backs this hose assembly with more than 50 years of mobile A/C experience and states that its products are engineered and tested for years of trouble-free operation. Part number 63163 is built for replacement use in the listed applications.