Four Seasons 5591NK A/C Compressor Kit - Front

Reliable A/C Compressor Kit for Buick, Chevrolet, GMC, and Saturn

The Four Seasons Complete A/C Kit 5591NK offers a comprehensive solution for restoring air conditioning performance in select Buick, Chevrolet, GMC, and Saturn SUVs. Designed specifically for models like the Acadia, Enclave, Outlook, and Traverse, this kit includes a new compressor and essential components to ensure efficient cooling with R134a refrigerant.

• Complete air conditioning kit with new compressor (part number 158313)
• Includes filter drier (83059) and expansion valve (39307) for system reliability
• Compatible with R134a refrigerant and pre-filled with PAG 46 oil
• 6-groove pulley with 4.5-inch outside diameter for proper belt alignment
• Expansion device features block type with sealing washer inlet and outlet
• Coil with 1 wire lead for straightforward electrical connection
• Receiver drier/accumulator diameter of 1.2 inches
• Limited lifetime warranty for long-term assurance

About the Four Seasons Complete A/C Kit Line

The Complete A/C Kit from Four Seasons is engineered to provide a full replacement solution for automotive air conditioning systems. This product line combines a new compressor with critical components such as the filter drier and expansion valve, ensuring compatibility and optimal system performance. The 5591NK kit is tailored for specific GM SUVs, streamlining repairs and reducing the need for additional parts.

Product Details and Specifications

This A/C compressor kit is designed for vehicles using R134a refrigerant and includes compressor oil (PAG 46) to maintain proper lubrication. The compressor features a 6-groove pulley with a 4.5-inch outside diameter, matching factory specifications for smooth operation. The coil’s single wire lead simplifies installation, while the block-type expansion device with sealing washers ensures a secure and leak-free connection. The included filter drier and expansion valve help maintain system cleanliness and regulate refrigerant flow, contributing to consistent cooling performance.

Common Applications and Issues Addressed

• Restores cooling efficiency in Buick Acadia, Chevrolet Traverse, GMC Acadia, and Saturn Outlook
• Replaces worn or failing A/C compressors causing insufficient cooling
• Addresses refrigerant leaks related to expansion valve or filter drier failure
• Eliminates compressor noise or clutch engagement problems
• Prevents system contamination with included filter drier

Installation Notes and Tips

Ensure the system is properly evacuated and flushed before installing the Four Seasons Complete A/C Kit 5591NK. Verify compatibility with your vehicle’s make and model, specifically Buick Acadia, Chevrolet Traverse, GMC Acadia, or Saturn Outlook. Use the included PAG 46 oil and follow manufacturer torque specifications for all fittings. Check the coil wiring harness for secure connection to avoid electrical issues. Properly install sealing washers on the expansion valve inlet and outlet to prevent leaks.

Quality Assurance and Warranty

Four Seasons backs the Complete A/C Kit 5591NK with a limited lifetime warranty, reflecting confidence in the durability and performance of the components. Each kit undergoes quality checks to meet OEM standards, ensuring reliable operation in Buick, Chevrolet, GMC, and Saturn vehicles equipped with R134a refrigerant systems.