Four Seasons 66014 A/C Refrigerant Suction Hose

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

The Four Seasons Hose Assembly 66014 is designed to provide dependable performance for your vehicle's HVAC system. Engineered specifically for Chevrolet and GMC models, this A/C refrigerant suction hose ensures proper refrigerant flow and system efficiency.

Key Features of Four Seasons Hose Assembly 66014

• Constructed from durable aluminum and rubber materials for long-lasting use
• Equipped with a P-nut fitting on both suction ends for secure connections
• Includes sealing washers and slimline O-rings (part number 24404) for leak prevention
• Compatible with R134-a refrigerant and designed for low-pressure system operation
• Features a built-in muffler and a 13 mm R134-a quick disconnect service port
• Includes all necessary fittings and gaskets for installation
• OE replacement part ensuring proper fit and function

Detailed Description of the Four Seasons Hose Assembly

This A/C refrigerant suction hose from Four Seasons is part of the Hose Assembly product line, which focuses on delivering complete hose solutions for HVAC systems. The 66014 model combines aluminum and rubber construction to withstand the demands of low-pressure refrigerant flow in Chevrolet and GMC trucks. It features a P-nut fitting on both ends, ensuring a secure and leak-free connection. The included sealing washers and two slimline O-rings (24404) help maintain system integrity. Additionally, the hose assembly comes with a muffler to reduce noise and vibration, and a 13 mm quick disconnect service port compatible with R134-a refrigerant for convenient servicing.

Compatible Vehicles and Common Applications

• Chevrolet Cheyenne
• GMC Sierra, Sierra 1500
• Chevrolet Silverado 1500, Silverado 2500

This hose assembly is designed specifically for these models, ensuring proper fitment and reliable HVAC system performance.

Common Issues Addressed by This Suction Hose

• Leaking refrigerant due to worn or damaged hoses
• Reduced A/C cooling efficiency from low refrigerant flow
• Noise and vibration caused by faulty or missing mufflers
• Difficulty servicing the A/C system without a proper service port
• Corrosion or damage to original suction lines

Installation Notes and Tips

When installing the Four Seasons Hose Assembly 66014, ensure all fittings and O-rings are properly seated to prevent leaks. The included sealing washers and gaskets should be replaced as part of the installation process. Use the quick disconnect service port for easy refrigerant charging and system maintenance. This hose assembly does not include a bracket or switch, so verify compatibility with your vehicle’s mounting points and electrical components before installation.

Quality Assurance and Warranty

Four Seasons Hose Assembly 66014 is an OE replacement part, manufactured to meet or exceed original equipment specifications. The product includes all necessary fittings and seals to ensure a reliable installation. While specific warranty details may vary, Four Seasons products typically come with a limited warranty covering defects in materials and workmanship.