Four Seasons 11895NK A/C Compressor Kit

Reliable A/C Compressor Kit for Chevrolet and GMC Heavy-Duty Trucks

The Four Seasons Complete A/C Kit 11895NK is designed to restore efficient air conditioning performance in Chevrolet Silverado 2500 HD, Silverado 3500 HD, Sierra 2500 HD, and Sierra 3500 HD models. This comprehensive kit includes a new compressor and essential components to ensure proper system operation with R134a and R1234yf refrigerants.

• Compatible with Chevrolet and GMC heavy-duty trucks: Silverado 2500 HD, Silverado 3500 HD, Sierra 2500 HD, Sierra 3500 HD
• Includes a new A/C compressor with 6-groove pulley and 4.38-inch outside pulley diameter
• Supports refrigerant types R134a and R1234yf for modern HVAC systems
• Comes with PAG 46 oil specifically formulated for R1234yf refrigerant
• Features a block-type expansion device with sealing washer inlet and outlet valves
• Receiver drier/accumulator diameter of 1.000 inch for proper moisture removal
• Coil with 1 wire lead for reliable electrical connection
• Limited lifetime warranty for long-term peace of mind

About the Four Seasons Complete A/C Kit Product Line

The Complete A/C Kit from Four Seasons provides a full replacement solution for vehicle air conditioning systems. This product line includes a new compressor along with all necessary components such as the expansion valve, receiver drier, and compressor oil. Designed to meet OE specifications, the Complete A/C Kit simplifies repairs by offering a matched set of parts engineered to work together, reducing the risk of compatibility issues and ensuring optimal system performance.

Detailed Product Description

The Four Seasons 11895NK A/C Compressor Kit is engineered for heavy-duty Chevrolet and GMC trucks requiring reliable air conditioning system repairs. The compressor features a 6-groove pulley with a 4.38-inch outside diameter, compatible with factory belt systems. It is pre-filled with PAG 46 oil suitable for R1234yf refrigerant, but also supports R134a, making it adaptable to different refrigerant types used in these vehicles. The included block-type expansion device uses sealing washers on both inlet and outlet valves to maintain system integrity and prevent leaks. The receiver drier has a 1.000-inch diameter, ensuring effective moisture removal to protect the system components. The coil’s 1 wire lead design facilitates straightforward electrical connections during installation.

Common Applications and Issues Addressed

• Replacement of worn or failed A/C compressors in Silverado 2500 HD and 3500 HD models
• Restoring proper refrigerant flow and pressure in Sierra 2500 HD and 3500 HD air conditioning systems
• Resolving compressor clutch or pulley failures with a compatible 6-groove pulley design
• Addressing refrigerant leaks caused by faulty expansion valves or receiver driers
• Upgrading to a complete kit to ensure all critical components are replaced simultaneously

Installation Notes and Tips

When installing the Four Seasons 11895NK kit, ensure the system is fully evacuated and flushed to remove contaminants. Verify compatibility with your vehicle’s refrigerant type, either R134a or R1234yf, before charging. Properly torque all fittings with sealing washers to prevent leaks. The 1 wire lead coil should be connected securely to the vehicle’s electrical system. Follow manufacturer torque specifications for the compressor pulley and clutch assembly to avoid premature wear.

Quality Assurance and Warranty

This Four Seasons Complete A/C Kit 11895NK is backed by a limited lifetime warranty, reflecting the brand’s commitment to durability and reliability. Each component is manufactured to meet or exceed OEM standards, ensuring consistent performance and long service life in Chevrolet Silverado and GMC Sierra heavy-duty trucks.