Four Seasons 66202 A/C Liquid Line with Orifice Tube

Overview of Four Seasons Hose Assembly 66202

The Four Seasons Hose Assembly 66202 is designed specifically for Chevrolet and GMC heavy-duty trucks, including the Sierra 3500 HD, Silverado 3500 Classic, and Silverado 3500 HD models. This A/C liquid line with orifice tube ensures reliable HVAC system performance by maintaining proper refrigerant flow and pressure.

• Constructed from durable aluminum and rubber materials
• Compatible with R134-a refrigerant systems
• Includes gasket and fittings for secure installation
• Equipped with a service port and orifice tube for maintenance
• Features a bracket for stable mounting
• Designed with male liquid line and P-nut fittings
• OEM replacement part for direct fit and function

Detailed Product Description

The Four Seasons Hose Assembly 66202 belongs to the Hose Assembly product line, which focuses on delivering reliable and precise HVAC hose and pipe solutions. This line is engineered to meet or exceed original equipment specifications, providing a direct replacement for worn or damaged components. The 66202 model is a liquid line hose assembly that includes a serviceable orifice tube and a high-side service port with a 16 mm R134-a quick disconnect, facilitating easy servicing and diagnostics.

Constructed from a combination of aluminum and rubber, this hose assembly offers durability and resistance to refrigerant leaks. It comes with two slimline washer O-rings (part number 24402) to ensure a tight seal. The included bracket helps secure the hose assembly in place, reducing vibration and wear. The male liquid line with P-nut fittings on both the liquid and suction ends ensures compatibility with the HVAC system of Chevrolet Sierra 3500 HD, Silverado 3500 Classic, and Silverado 3500 HD trucks.

Common Applications and Issues Addressed

• Replacement of leaking or damaged A/C liquid lines
• Restoring proper refrigerant flow in R134-a systems
• Fixing HVAC system pressure drops or inconsistent cooling
• Resolving issues related to faulty orifice tubes
• Upgrading to OEM-quality hose assemblies for reliable performance

Installation Notes and Tips

When installing the Four Seasons Hose Assembly 66202, ensure the system is fully evacuated and depressurized before removal of the old hose. Use the included gasket and fittings to prevent leaks and verify that the bracket is securely mounted to avoid hose movement. The service port allows for easy refrigerant charging and system diagnostics. Proper torque on P-nut fittings is essential to maintain a secure connection and prevent refrigerant loss.

Quality Assurance and Warranty

Four Seasons products, including the Hose Assembly 66202, are manufactured to meet OEM standards for fit, form, and function. This part is an exact replacement designed to maintain the integrity of your vehicle’s HVAC system. While specific warranty details are not provided here, Four Seasons typically offers coverage against defects in materials and workmanship. Always consult product documentation or the manufacturer for warranty terms.