Four Seasons 66025 A/C Refrigerant Liquid Hose

Reliable A/C Refrigerant Liquid Hose for Chevrolet and GMC Trucks

The Four Seasons Hose Assembly 66025 is designed to meet the demanding requirements of heavy-duty Chevrolet and GMC trucks. Engineered for high-pressure R134a refrigerant systems, this liquid line hose assembly ensures efficient and secure A/C performance for models like the Silverado 2500 HD and Sierra 3500 HD.

• Constructed from durable aluminum and rubber materials
• Compatible with R134a refrigerant for high-pressure systems
• Includes slim line sealing washers (O-Rings) for leak prevention
• Equipped with a 16 mm R134a quick disconnect service port on the high-pressure side
• Designed without a bracket and switch service port for direct replacement
• Features a flange suction end and includes an orifice tube
• O.E. replacement part ensuring proper fit and function

Four Seasons Hose Assembly Product Line Overview

The Four Seasons Hose Assembly product line focuses on providing reliable hose assemblies tailored for HVAC systems in various vehicles. This line emphasizes quality materials and precise engineering to maintain system integrity under high pressure. The 66025 hose assembly fits within this line as a liquid line hose designed specifically for heavy-duty truck applications, offering a direct replacement solution without additional brackets or switch ports.

Detailed Product Description

The Four Seasons 66025 A/C refrigerant liquid hose is constructed from a combination of aluminum and rubber, providing both flexibility and durability under high-pressure conditions typical of R134a refrigerant systems. This hose assembly includes two slim line sealing washers (O-Rings) identified by part number 24401, which help ensure a secure, leak-free connection. The hose features a 16 mm quick disconnect service port on the high-pressure side, facilitating efficient servicing. It is designed without a bracket or switch service port, simplifying installation as a direct O.E. replacement for Chevrolet Silverado 2500 HD, Silverado 3500 HD, Sierra 2500 HD, and Sierra 3500 HD models.

Common Applications and Issues Addressed

• Replacement of worn or damaged A/C liquid line hoses in heavy-duty Chevrolet and GMC trucks
• Resolving refrigerant leaks caused by degraded seals or hose material
• Restoring proper refrigerant flow and pressure in R134a high-pressure A/C systems
• Addressing service port failures or incompatibilities in existing hose assemblies
• Ensuring compatibility with factory or O.E. HVAC components for reliable operation

Installation Notes and Tips

• Verify compatibility with Chevrolet Silverado 2500 HD, Silverado 3500 HD, Sierra 2500 HD, or Sierra 3500 HD before installation
• Ensure all O-Rings are properly seated to prevent refrigerant leaks
• Use appropriate tools for disconnecting and reconnecting the 16 mm quick disconnect service port
• Inspect surrounding HVAC components for wear or damage during replacement
• Follow manufacturer torque specifications for all fittings and connections

Quality Assurance and Warranty

Four Seasons products are engineered to meet or exceed original equipment standards. The 66025 hose assembly is an O.E. replacement part, ensuring fit, form, and function for compatible Chevrolet and GMC trucks. While specific warranty details are not provided here, Four Seasons typically offers coverage against defects in materials and workmanship. Consult product documentation or the manufacturer for exact warranty terms.