Denso 471-9143 A/C Compressor

Overview of the Denso 471-9143 A/C Compressor

The Denso 471-9143 A/C compressor is designed for reliable air conditioning performance in select Buick, Chevrolet, Oldsmobile, and Pontiac vehicles. Engineered to work with R134a refrigerant, this compressor supports efficient cooling for models like the Grand Prix, Impala, Intrigue, Lumina, Monte Carlo, and Regal.

• Compatible with R134a refrigerant systems
• Clutch maximum diameter of 121.0 mm for precise engagement
• Serpentine pulley belt type for smooth operation
• Three ear mount design for secure installation
• Part number 471-9143 ensures exact fitment

Technical Details and Features

This Denso A/C compressor features a clutch with a maximum diameter of 121.0 mm, optimized for the serpentine belt systems found in many GM vehicles. The three ear mount provides a stable and secure attachment point, reducing vibration and wear. Designed specifically for R134a refrigerant, it meets the requirements of the air conditioning systems in Buick Grand Prix, Chevrolet Impala, Oldsmobile Intrigue, Lumina, Monte Carlo, and Pontiac Regal models. The part number 471-9143 identifies this compressor for precise replacement needs.

Compatible Vehicles and Applications

This A/C compressor is compatible with the following makes and models:

• Buick Grand Prix
• Chevrolet Impala
• Oldsmobile Intrigue
• Chevrolet Lumina
• Pontiac Monte Carlo
• Buick Regal

Use the Denso 471-9143 compressor when servicing the air conditioning system in these vehicles to maintain proper cooling performance and system integrity.

Common Issues Addressed by This Compressor

• Loss of cooling efficiency due to compressor failure
• Clutch slippage or failure causing intermittent A/C operation
• Noise or vibration from worn or damaged compressor mounts
• Leaks or refrigerant loss in R134a systems
• Incompatibility with serpentine belt drive systems

Installation Notes and Tips

When installing the Denso 471-9143 A/C compressor, ensure the system is properly evacuated and recharged with R134a refrigerant. Verify the clutch diameter matches the existing setup to avoid fitment issues. The three ear mount requires correct alignment and torque specifications to prevent premature wear. Inspect the serpentine belt for wear and replace if necessary to maintain optimal compressor function.

Quality Assurance and Warranty

Denso manufactures this A/C compressor to meet OEM specifications, ensuring durability and performance. The part number 471-9143 undergoes rigorous quality control to provide reliable operation in compatible Buick, Chevrolet, Oldsmobile, and Pontiac vehicles. Warranty coverage details should be confirmed with the supplier or manufacturer at the time of purchase.