Denso 471-1528 A/C Compressor

Overview of the Denso 471-1528 A/C Compressor

The Denso 471-1528 A/C compressor is designed for reliable air conditioning performance in select BMW models. Engineered to work with R134a refrigerant, this compressor supports efficient cooling for vehicles such as the BMW 325Ci, 325i, 325xi, 330Ci, 330i, 330xi, and X3.

• Compatible with BMW 325Ci, 325i, 325xi, 330Ci, 330i, 330xi, and X3 models
• Designed for R134a refrigerant systems
• Clutch maximum diameter of 110.0 mm for precise engagement
• Serpentine pulley belt type for smooth operation
• Bolt tangent mounting type for secure installation

Technical Details and Features

This Denso A/C compressor (part number 471-1528) is built to meet OEM specifications for BMW vehicles using R134a refrigerant. The clutch has a maximum diameter of 110.0 mm, ensuring proper engagement with the serpentine belt system. The bolt tangent mounting type provides a stable and secure fit, minimizing vibration and wear. The serpentine pulley belt type is compatible with the factory belt routing, maintaining consistent power delivery to the compressor.

Applications and Common Issues Addressed

This A/C compressor is intended for use in the following BMW models: 325Ci, 325i, 325xi, 330Ci, 330i, 330xi, and X3. It is suitable for replacing faulty or worn compressors that cause issues such as:

• Insufficient cooling or no cold air from the A/C system
• Unusual noises from the compressor clutch or pulley
• Compressor clutch failure or slipping
• Refrigerant leaks related to compressor seals
• Intermittent compressor engagement or electrical faults

Installation Notes and Tips

When installing the Denso 471-1528 A/C compressor, ensure the system is properly evacuated and recharged with R134a refrigerant. Verify the clutch maximum diameter matches the original part to maintain belt alignment. Use the bolt tangent mounting points for secure attachment and check the serpentine belt condition during installation. It is recommended to replace the receiver drier and inspect all A/C system components for leaks or damage.

Quality Assurance and Warranty

Denso manufactures this A/C compressor to meet strict quality standards, ensuring durability and performance in BMW vehicles. The part number 471-1528 undergoes rigorous testing for fit, form, and function. Warranty coverage details should be confirmed at the point of purchase, but Denso typically offers limited warranties covering defects in materials and workmanship.