Four Seasons 1131N A/C Compressor and Component Kit - Front

Four Seasons PAC-Kit w/ New Compressor

Four Seasons Part Number 1131N is an A/C compressor kit for select GM trucks and SUVs with HU6 compressor applications. This PAC-Kit w/ New Compressor is built for 1999-2002 Chevrolet Silverado and GMC Sierra models, plus 2000-2002 Chevrolet Tahoe, Suburban, Yukon, and Cadillac Escalade applications listed below.

Key Features

• Four Seasons PAC-Kit w/ New Compressor for HVAC A/C compressor replacement
• Fits select Chevrolet Silverado, GMC Sierra, Cadillac Escalade, and related GM platforms
• Application-specific coverage for HU6 compressor systems
• Includes fitment notes for front-mounted and non-rear-A/C configurations where required
• Part Number 1131N for catalog and service matching

Detailed Description

Four Seasons 1131N is a PAC-Kit w/ New Compressor for GM vehicles using the HU6 compressor platform. Coverage includes 1999-2002 Chevrolet Silverado 1500, Silverado 2500, Silverado 1500 HD, Silverado 2500 HD, Silverado 3500, GMC Sierra 1500, Sierra 2500, Sierra 1500 HD, Sierra 2500 HD, Sierra 3500, and related SUV applications such as the 2000 Chevrolet Tahoe and 2000 GMC Yukon. It also fits 2002 Cadillac Escalade and Escalade EXT front applications without rear A/C. This part number is also referenced as 1131N in service and catalog searches.

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

What It Helps Address

• Loss of cabin cooling from a failed A/C compressor
• Noisy or seized compressor operation
• Inconsistent refrigerant circulation in HU6-equipped systems
• Service replacement on GM trucks and SUVs with matching fitment notes
• Restoration of A/C performance after compressor-related failure

Installation Notes and Tips

Verify the vehicle’s compressor type, tube diameter, manifold style, and rear A/C configuration before ordering. Fitment varies by model year and trim, including front-only applications and vehicles with one-piece compressor manifolds. Follow proper evacuation, flushing, oil service, and refrigerant recharge procedures during installation. Confirm all listed notes for your exact vehicle before replacing the compressor.

Quality Assurance

Four Seasons is a recognized HVAC parts brand, and this PAC-Kit is cataloged for direct application matching on the vehicles listed above. Use the fitment notes to confirm the correct HU6 compressor application before installation.