Four Seasons 9683NK A/C Compressor Kit - Front

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

The Four Seasons Complete A/C Kit 9683NK is designed to restore efficient air conditioning performance in Chevrolet and GMC heavy-duty trucks. This kit includes a new compressor and all essential components to ensure proper system operation with HFO-1234yf refrigerant.

• Complete air conditioning kit with new compressor
• Includes compressor oil: PAG 46 oil compatible with R1234yf refrigerant
• Block type expansion device with sealing washer inlet and outlet
• Receiver drier/accumulator diameter: 1.000 inch
• Compatible with Chevrolet Silverado 2500 HD, 3500, 3500 HD, Sierra 2500 HD, 3500 HD, and Suburban 3500 HD
• Limited lifetime warranty for long-term reliability

Four Seasons Complete A/C Kit Product Line

The Complete A/C Kit from Four Seasons provides a comprehensive solution for HVAC system repairs by including a new compressor along with all necessary components such as the expansion device and receiver drier. This integrated approach simplifies replacement and ensures compatibility with modern refrigerants like HFO-1234yf, making it suitable for heavy-duty Chevrolet and GMC trucks requiring a full system refresh.

Detailed Product Description

This Four Seasons A/C Compressor Kit (part number 9683NK) is engineered specifically for heavy-duty Chevrolet and GMC trucks including Silverado 2500 HD, 3500, 3500 HD, Sierra 2500 HD, 3500 HD, and Suburban 3500 HD models. The kit includes a new compressor pre-charged with PAG 46 oil formulated for R1234yf refrigerant systems. The block type expansion device features sealing washers on both inlet and outlet to maintain system integrity and prevent leaks. The receiver drier/accumulator has a 1.000 inch diameter, designed to effectively remove moisture and contaminants from the refrigerant. This kit supports the use of HFO-1234yf refrigerant, meeting current environmental standards.

Common Applications and Issues Addressed

• Replacement of worn or failed A/C compressors in Chevrolet Silverado and GMC Sierra heavy-duty trucks
• Restoring proper refrigerant flow and pressure with a new expansion device and receiver drier
• Resolving A/C system leaks caused by damaged sealing washers on expansion valve connections
• Upgrading to a system compatible with HFO-1234yf refrigerant
• Eliminating moisture and contaminants that reduce cooling efficiency

Installation Notes and Tips

Ensure the system is fully evacuated and flushed before installing the new compressor kit to prevent contamination. Verify compatibility with your vehicle’s refrigerant type (HFO-1234yf) and use the included PAG 46 oil to maintain proper lubrication. Replace all sealing washers on the expansion valve inlet and outlet to ensure leak-free connections. Follow manufacturer torque specifications for all fittings and components during installation.

Quality Assurance and Warranty

The Four Seasons Complete A/C Kit 9683NK is backed by a limited lifetime warranty, providing assurance of its durability and performance. Each component is manufactured to meet or exceed OEM standards, ensuring reliable operation in Chevrolet Silverado 2500 HD, 3500, 3500 HD, Sierra 2500 HD, 3500 HD, and Suburban 3500 HD trucks.