Denso 471-9139 A/C Compressor

Reliable A/C Compressor for Buick, Chevrolet, Oldsmobile, and Pontiac

The Denso 471-9139 A/C compressor is designed to restore efficient air conditioning performance in select Buick, Chevrolet, Oldsmobile, and Pontiac models. Engineered for vehicles using R134a refrigerant, this compressor ensures compatibility and reliable operation.

Key Features of the Denso 471-9139 A/C Compressor

• Compatible with R134a refrigerant systems
• Clutch maximum diameter of 107.0 mm for precise engagement
• Serpentine pulley belt type for smooth power transmission
• Four ear mount design for secure and stable installation
• Fits multiple models including Buick Century, Chevrolet Lumina, and Pontiac Grand Prix

Detailed Product Description

The Denso 471-9139 A/C compressor is a direct replacement part engineered to meet the specifications of original equipment. It features a clutch with a maximum diameter of 107.0 mm, designed to engage efficiently with the serpentine belt system common in many GM vehicles. The four ear mount configuration provides a secure fit, reducing vibration and ensuring consistent compressor operation. This compressor is compatible with R134a refrigerant, which is standard in many late-model Buick, Chevrolet, Oldsmobile, and Pontiac vehicles such as the Cutlass Ciera, Monte Carlo, and Regal.

Common Applications and Issues Addressed

• Restores cooling performance in Buick Century and Chevrolet Lumina A/C systems
• Replaces worn or damaged compressors in Pontiac Grand Prix and Oldsmobile Cutlass Supreme
• Eliminates clutch slippage and pulley belt issues
• Resolves refrigerant leaks related to compressor failure
• Improves overall HVAC system reliability in compatible vehicles

Installation Notes and Tips

• Ensure the vehicle uses R134a refrigerant before installation
• Verify the four ear mount points align with the vehicle’s compressor bracket
• Inspect serpentine belt condition and replace if worn to prevent premature compressor wear
• Follow manufacturer torque specifications for mounting bolts
• Recharge the A/C system with the correct refrigerant volume after installation

Quality Assurance and Warranty Information

Denso manufactures the 471-9139 A/C compressor to meet strict quality standards, ensuring durability and performance. This part undergoes rigorous testing to comply with OEM specifications. Warranty coverage details should be confirmed at the time of purchase, typically offering protection against defects in materials and workmanship.