Universal Air CK4427 A/C Compressor Kit

Short Compressor Replacement Kit for Rear A/C

Universal Air CK4427 is a Short Compressor Replacement Kit for vehicles equipped with rear A/C. It is listed for select Chevrolet Trailblazer, Buick Rainier, GMC Envoy, and GMC Envoy XUV applications with the specified HVAC configurations.

The Universal Air Short Compressor Replacement Kit line is built for targeted A/C service where the compressor system needs a matched replacement solution. CK4427 is cataloged for rear A/C applications and includes the referenced components for the listed vehicle platforms.

Key Features

• Part number CK4427
• Short Compressor Replacement Kit for HVAC service
• Compatible with rear A/C applications on listed vehicles
• Cataloged for Chevrolet Trailblazer, Buick Rainier, GMC Envoy, and GMC Envoy XUV
• Application notes include fixed orifice on select GMC Envoy models
• Recommend replacing the condenser with a new condenser during service

Vehicle Fitment

• Fits 2006-2009 Chevrolet Trailblazer, N/A, with Rear A/C; Complete Kit Includes #(s) CO 4911AC, EX 5151C, EX 5900C, HA 10487C; Recommend replacing condenser with new condenser; Short Compressor Replacement Kit
• Fits 2004-2007 Buick Rainier, N/A, with Rear A/C; Complete Kit Includes #(s) CO 4911AC, EX 5151C, EX 5900C, HA 10487C; Recommend replacing condenser with new condenser; Short Compressor Replacement Kit
• Fits 2005-2007 GMC Envoy, N/A, with Fixed Orifice; with Rear A/C; Complete Kit Includes #(s) CO 4911AC, EX 5151C, EX 5900C, HA 10487C; Recommend replacing condenser with new condenser; Short Compressor Replacement Kit
• Fits 2004-2005 GMC Envoy XUV, N/A, with Fixed Orifice; with Rear A/C; Complete Kit Includes #(s) CO 4911AC, EX 5151C, EX 5900C, HA 10487C; Recommend replacing condenser with new condenser; Short Compressor Replacement Kit

Common Service Issues

• Loss of A/C cooling performance in rear A/C-equipped vehicles
• Compressor-related noise or failure
• System contamination after compressor damage
• Restricted or inefficient refrigerant flow in the listed HVAC setup

Installation Notes

Verify the vehicle’s year, make, model, and HVAC configuration before ordering. This kit is listed for rear A/C applications, and select GMC Envoy fitments require a fixed orifice setup. The catalog notes recommend replacing the condenser with a new condenser during service.

Part number CK4427 is also referenced as CK4427 in catalog listings for the same application.

Quality Assurance

Universal Air catalogs this Short Compressor Replacement Kit for the specified vehicle applications and HVAC configurations. Confirm fitment against the vehicle’s A/C system details before installation.