Four Seasons 4890N A/C Compressor and Component Kit - Front

Four Seasons PAC-Kit w/ New Compressor

Restore A/C performance on select Chevrolet and GMC trucks and SUVs with the Four Seasons PAC-Kit w/ New Compressor, part number 4890N. This A/C compressor kit is built for vehicles using the HU6 compressor setup and the listed front or N/A applications, including Chevrolet Avalanche, Silverado, Suburban, Tahoe, and GMC Sierra and Yukon models.

Key Features

• Four Seasons PAC-Kit w/ New Compressor for HVAC A/C compressor replacement
• Fits 2001-2002 Chevrolet Suburban, front; 2001-2002 Chevrolet Tahoe, front
• Fits 2001-2002 GMC Yukon, front; 2001-2002 GMC Yukon XL 1500, front; 2001-2002 GMC Yukon XL 2500, front
• Fits 2002 Chevrolet Avalanche 1500 and Avalanche 2500 with HU6 compressor
• Fits 2001-2002 Chevrolet Silverado and GMC Sierra applications with HU6 compressor and 17mm orifice tube diameter
• Part number 4890N for direct catalog matching

Product Details

The Four Seasons 4890N PAC-Kit w/ New Compressor is a vehicle-specific A/C compressor kit for select 2001-2002 Chevrolet and GMC applications. Fitment includes Chevrolet Avalanche 1500, Avalanche 2500, Silverado 1500, Silverado 1500 HD, Silverado 2500, Silverado 2500 HD, Silverado 3500, Suburban 1500, Suburban 2500, Tahoe, and GMC Sierra and Yukon models listed above. Application notes call for HU6 compressor configurations, 17mm orifice tube diameter, and grey orifice tube setups where specified.

This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

Common Repair Uses

• Loss of cabin cooling performance
• Compressor noise or compressor failure
• Incorrect A/C system pressure behavior
• Restricted refrigerant flow through the compressor circuit
• Service replacement on HU6-equipped Chevrolet and GMC A/C systems

Installation Notes and Tips

Verify the vehicle’s compressor type, orifice tube diameter, and rear A/C configuration before ordering. The listed fitment includes front applications for Suburban, Tahoe, Yukon, and Yukon XL models without rear A/C, plus specific Silverado, Sierra, and Avalanche configurations. Follow proper A/C service procedures, including system evacuation, flushing where required, and correct oil handling for the application.

Quality Assurance

Four Seasons supplies HVAC replacement components for automotive A/C service, and this PAC-Kit is cataloged for the exact vehicle and compressor configurations shown above. Use the part number 4890N to confirm the correct application before installation.