Delphi CS0121 A/C Compressor

Delphi CS0121 A/C Compressor Overview

The Delphi CS0121 A/C Compressor is designed for reliable air conditioning performance in select Chevrolet, GMC, Isuzu, and Oldsmobile vehicles. Engineered as an exact OE type fit, this compressor supports R134a refrigerant systems and includes a clutch for seamless operation.

• Compatible with R134a refrigerant and Pag oil type
• Includes clutch assembly for integrated function
• 6-groove serpentine pulley with 109.9 mm lip diameter
• 12-volt coil with blade-type terminals and female connector
• Bolt-tangent mounting for secure installation
• Exact OE type fit for Chevrolet Blazer, GMC Jimmy, Isuzu Hombre, Oldsmobile Bravada, and related models
• Package includes compressor, O-rings, sealing washers, and instruction sheet

Technical Specifications and Features

The Delphi CS0121 A/C Compressor is a H6 type compressor designed to meet the specific requirements of various GM and Isuzu vehicles. It operates on R134a refrigerant and uses Pag oil, ensuring compatibility with factory A/C systems. The compressor features a 6-groove serpentine pulley with a 109.9 mm lip diameter, optimized for belt alignment and durability. The coil is positioned at 2 o'clock and runs on 12 volts, with two blade-type terminals and a female connector for electrical connections. The clutch is included, providing a complete assembly ready for installation. Mounting is bolt-tangent style, matching original equipment specifications for a secure fit.

Compatible Vehicles and Applications

This A/C compressor is compatible with a range of Chevrolet, GMC, Isuzu, and Oldsmobile models, including:

• Chevrolet Blazer, S10, Express 1500/2500/3500
• GMC Jimmy, Sonoma, Savana 1500/2500/3500
• Isuzu Hombre
• Oldsmobile Bravada

It is designed to replace factory compressors in these vehicles, restoring proper air conditioning function.

Common Issues Addressed by the Delphi CS0121 Compressor

• Loss of A/C cooling due to compressor failure
• Clutch engagement problems affecting A/C operation
• Refrigerant leaks from worn or damaged compressor seals
• Noise or vibration caused by pulley or internal compressor wear
• Electrical connection failures impacting compressor coil function

Installation Notes and Tips

Installation of the Delphi CS0121 compressor requires proper handling of refrigerant and oil. Ensure the system is evacuated and recharged with R134a refrigerant and compatible Pag oil. The included O-rings and sealing washers should be replaced to prevent leaks. Verify the coil voltage and terminal connections match vehicle specifications. The bolt-tangent mounting style allows for straightforward replacement using original mounting points. Follow the included instruction sheet for detailed installation guidance.

Quality Assurance and Warranty

Delphi manufactures the CS0121 compressor to meet OE standards for fit, form, and function. The compressor includes oil pre-filled for immediate use and is tested for performance and durability. While specific warranty details may vary, Delphi products typically come with a limited warranty covering defects in materials and workmanship. Consult product documentation or supplier information for exact warranty terms.