Four Seasons 66887 A/C Suction and Liquid Line Hose Assembly

Reliable A/C Suction and Liquid Line Hose Assembly

The Four Seasons Hose Assembly 66887 is designed for efficient HVAC system performance in Chevrolet and GMC trucks. Engineered with durable aluminum and rubber materials, this hose assembly supports R1234yf refrigerant systems for select Chevrolet Silverado and GMC Sierra models.

• Constructed from aluminum and rubber for durability and flexibility
• Features flange and P-nut fitting ends for secure connections
• Includes gasket and slim line sealing washers (O-Rings 24401 and 24402)
• Compatible with R1234yf refrigerant type
• Equipped with muffler and service port for system maintenance
• Designed without bracket for streamlined installation
• Part number 66887 specifically fits Chevrolet Cheyenne, Silverado 1500, Silverado 2500, and GMC Sierra 1500 models

About the Four Seasons Hose Assembly Product Line

The Four Seasons Hose Assembly line focuses on delivering reliable HVAC hose and pipe solutions tailored for vehicle-specific applications. This product line ensures compatibility and performance by using quality materials and precise fittings, such as flange and P-nut connections, to maintain system integrity. The 66887 hose assembly is part of this line, providing a complete suction and liquid line solution with integrated muffler and service port features.

Detailed Product Description

The Four Seasons 66887 hose assembly combines aluminum and rubber components to withstand the demands of automotive air conditioning systems using R1234yf refrigerant. It features a flange type on one end and a P-nut fitting on the other, ensuring a secure and leak-resistant connection. The included slim line sealing washers (O-Rings 24401 and 24402) enhance sealing performance. This assembly also incorporates a muffler to reduce system noise and a service port to facilitate maintenance. Designed without a bracket, it offers a streamlined fit for Chevrolet Cheyenne, Silverado 1500, Silverado 2500, and GMC Sierra 1500 trucks.

Common Applications and Issues Addressed

• Replacement of worn or damaged A/C suction and liquid line hoses
• Restoring proper refrigerant flow in R1234yf systems
• Eliminating leaks caused by degraded seals or fittings
• Reducing A/C system noise with integrated muffler
• Facilitating maintenance through included service port

Installation Notes and Tips

Ensure compatibility with your Chevrolet or GMC model before installation. Use the included slim line sealing washers to achieve a proper seal at connection points. Handle the aluminum and rubber components carefully to avoid damage during installation. Since this assembly does not include a bracket, verify existing mounting points for secure hose routing. The service port allows for easy system charging and diagnostics.

Quality Assurance and Warranty

Four Seasons products are manufactured to meet OEM standards for fit and function. The 66887 hose assembly undergoes quality checks to ensure durability and performance in HVAC applications. Warranty details should be confirmed with the product documentation or manufacturer.