Four Seasons 63210 A/C Refrigerant Liquid Hose

Overview

Four Seasons 63210 is an A/C refrigerant liquid hose assembly built for heavy-duty cooling system service. It uses an aluminum and rubber construction, includes a service port, and is specified for R134A systems.

Compatible with Chevrolet Silverado 2500 HD, Silverado 3500 HD, GMC Sierra 2500 HD, and Sierra 3500 HD applications, this hose assembly is listed for 2020-2025 model years. The Four Seasons 63210 part number is also cross-referenced to Continental 63210 for the same application.

Key Features

• Liquid line hose assembly for A/C refrigerant routing
• Aluminum and rubber construction for a balance of strength and flexibility
• Includes a service port for system service access
• Specified for R134A refrigerant systems
• Includes gasket or seal and fittings
• Configured without a bracket and with an orifice tube

Detailed Description

This Four Seasons hose assembly is engineered as a liquid line component for the air conditioning system, helping move refrigerant through the circuit with the correct end connections and sealing features. The P-nut fitting on one end and sealing washer on the other support proper attachment, while the included service port adds serviceability during diagnosis and maintenance. Four Seasons 63210 is a direct-fit style replacement for select Chevrolet Silverado and GMC Sierra heavy-duty trucks, including 2020-2025 Silverado 2500 HD, 2020-2025 Silverado 3500 HD, 2020-2025 Sierra 2500 HD, and 2020-2025 Sierra 3500 HD applications.

The Hose Assembly product line focuses on replacement A/C hose components built for mobile air conditioning service. Four Seasons 63210 follows that approach with a liquid line design, integrated fittings, and application-specific configuration details that matter when restoring proper refrigerant flow. This part number, 63210, is also listed under Continental 63210 interchange for the same application.

What It Helps Fix

• Refrigerant leaks at the liquid line hose assembly
• Damaged or worn hose connections
• Service port access issues during A/C diagnosis
• Improper sealing at hose-to-system interfaces
• Loss of A/C performance caused by a compromised liquid line

Installation Notes

Verify refrigerant type, hose routing, and connection style before installation. This assembly is listed with a service port, included fittings, included seal, and no bracket, so confirm the existing system configuration matches the part before replacement. Fitment is listed for 2020-2025 Chevrolet Silverado 2500 HD and Silverado 3500 HD, plus 2020-2025 GMC Sierra 2500 HD and Sierra 3500 HD applications.

Quality Assurance

Four Seasons states that its products are engineered and tested for long service life, backed by more than 50 years of mobile A/C experience.