Universal Air CK3997 A/C Compressor Kit

Short Compressor Replacement Kit for GM Trucks

Universal Air CK3997 is a Short Compressor Replacement Kit for select Chevrolet Silverado and GMC Sierra applications. It is built for 2004-2007 GM truck HVAC systems that use the listed compressor, expansion valve, and receiver drier components, with fitment notes that include 13mm diameter, fixed orifice, and specific connector configurations.

Key Features

• Short Compressor Replacement Kit for A/C compressor service
• Fits 2007 GMC Sierra 2500 HD Classic, N/A
• Fits 2006 Chevrolet Silverado 2500 HD, N/A
• Fits 2005-2006 Chevrolet Silverado 3500, N/A
• Fits 2005-2006 GMC Sierra 2500 HD, N/A
• Fits 2005 Chevrolet Silverado 2500 HD, N/A
• Fits 2004 Chevrolet Silverado 2500 HD, N/A
• Fits 2004 Chevrolet Silverado 3500, N/A
• Fits 2004 GMC Sierra 2500 HD, N/A
• Includes components referenced as CO 28000C, EX 5378C, and RD 11007C
• Part number CK3997 for catalog and service matching

Product Details

Universal Air CK3997 is intended for GM truck HVAC repairs where the compressor circuit needs a matched replacement kit. The fitment data covers Chevrolet Silverado 2500 HD and 3500 models, plus GMC Sierra 2500 HD and Sierra 2500 HD Classic applications from 2004 through 2007. Notes vary by vehicle and include 13mm diameter, fixed orifice, ambulance package exclusions or inclusions, and a 2nd design note on the 2004 GMC Sierra 2500 HD.

This part cross-references common service components for the same application, including CO 28000C and RD 11007C. CK3997 is a useful catalog reference when matching the correct A/C compressor kit to the vehicle’s original HVAC configuration.

What It Is Used For

• Replacing a worn or failed A/C compressor assembly in GM truck HVAC systems
• Restoring cooling performance after compressor noise, seizure, or loss of output
• Addressing refrigerant flow issues tied to matched compressor circuit components
• Servicing Silverado 2500 HD and Sierra 2500 HD air conditioning systems with the listed configuration notes
• Supporting repairs where the original compressor setup uses the specified short kit application

Installation Notes

Verify the vehicle year, make, model, and all fitment notes before ordering. Confirm the 13mm diameter, fixed orifice, ambulance package status, and connector orientation where listed. For best results, inspect the condenser and replace it if contamination or debris is present, as recommended in the fitment notes. Always evacuate and recharge the system according to OEM service procedures.

Quality Assurance

Universal Air supplies HVAC service parts for vehicle air conditioning repair applications. CK3997 is cataloged as a Short Compressor Replacement Kit for the listed Chevrolet Silverado and GMC Sierra trucks, with application-specific fitment details to support accurate parts selection.