Universal Air CK4000 A/C Compressor Kit

Short Compressor Replacement Kit for GM Trucks

Universal Air CK4000 is a Short Compressor Replacement Kit for select 2003-2004 Chevrolet Silverado and GMC Sierra HD applications. It is built for vehicles with fixed orifice systems, with fitment notes that vary by model and configuration.

Key Features

• Short compressor replacement kit for HVAC A/C compressor service
• Fits 2003 Chevrolet Silverado 2500 HD, variable system with 13mm tube diameter
• Fits 2003 Chevrolet Silverado 3500, with fixed orifice and without Ambulance Package
• Fits 2003-2004 GMC Sierra 2500 HD, with fixed orifice and without Ambulance Package
• Fits 2003-2004 GMC Sierra 3500, with fixed orifice and without Ambulance Package
• Complete kit includes CO 28000C, EX 5378C, and RD 10074C
• Part number CK4000 for direct catalog lookup

Detailed Description

Universal Air CK4000 is a replacement A/C compressor kit for select Chevrolet Silverado 2500 HD, Chevrolet Silverado 3500, GMC Sierra 2500 HD, and GMC Sierra 3500 trucks. This kit is specified for fixed orifice applications on most listed vehicles, with the 2003 Silverado 2500 HD noted as a variable system with a 13mm tube diameter. The fitment notes also call out a P-Nut fitting at 1 o'clock on the GMC Sierra 2500 HD and Sierra 3500 applications. CK4000 is a practical match for owners replacing compressor-related HVAC components on these GM heavy-duty trucks.

Common Repair Uses

• Restoring A/C compressor operation after compressor failure
• Addressing loss of cabin cooling in GM HD truck HVAC systems
• Replacing worn compressor-related components during A/C service
• Correcting fitment issues on fixed orifice truck applications
• Supporting repair of noisy, weak, or non-functioning compressor systems

Installation Notes

Verify the vehicle’s HVAC configuration before ordering. This kit is listed for fixed orifice systems on the Silverado 3500 and Sierra HD applications, while the 2003 Silverado 2500 HD uses a variable setup with a 13mm tube diameter. The fitment notes recommend replacing the condenser with a new condenser during service. Confirm connector and fitting orientation, including the P-Nut fitting note on applicable GMC models, before installation.

Quality Assurance

Universal Air CK4000 is cataloged as a Short Compressor Replacement Kit for the listed GM truck applications and includes the referenced component set for the application.