Denso 471-1474 A/C Compressor

Reliable A/C Compressor for Mercedes-Benz Models

The Denso 471-1474 A/C compressor is engineered to restore efficient air conditioning performance in select Mercedes-Benz vehicles. Designed for compatibility with various AMG and standard models, this compressor supports R134a refrigerant systems and features a serpentine pulley belt for smooth operation.

Key Features of the Denso 471-1474 A/C Compressor

• Compatible with R134a refrigerant type
• Clutch maximum diameter of 110.0 mm for precise engagement
• Serpentine pulley belt type for reliable power transmission
• Bolt tangent mounting type for secure installation
• Designed specifically for Mercedes-Benz models including C55 AMG, E55 AMG, ML350, and more

Detailed Product Description

This Denso A/C compressor, part number 471-1474, is built to meet the exacting standards required by Mercedes-Benz vehicles such as the C230, CLK350, CLS550, and G550. The compressor uses R134a refrigerant, which is standard in many modern automotive air conditioning systems. Its clutch diameter of 110.0 mm ensures proper engagement and disengagement, reducing wear and improving system efficiency. The serpentine pulley belt type allows for smooth and consistent power delivery from the engine, while the bolt tangent mounting type provides a secure and stable fitment, minimizing vibration and noise during operation.

Common Applications and Issues Addressed

• Restores cooling performance in Mercedes-Benz C55 AMG and E63 AMG air conditioning systems
• Replaces faulty compressors causing insufficient refrigerant compression
• Eliminates clutch slippage or failure in models like the ML350 and SL550
• Resolves pulley belt alignment issues affecting compressor operation
• Addresses mounting instability that can lead to premature wear or noise

Installation Notes and Tips

• Ensure system is evacuated and refrigerant properly recovered before removal
• Verify compatibility with specific Mercedes-Benz model and year
• Inspect serpentine belt condition and replace if worn
• Use correct torque specifications for bolt tangent mounting to avoid leaks or misalignment
• Recharge system with R134a refrigerant following installation

Quality Assurance and Warranty Information

Denso manufactures this A/C compressor to meet OEM standards, ensuring reliable performance and durability. The part number 471-1474 undergoes rigorous quality control testing. Warranty coverage details should be confirmed at the point of purchase, typically including protection against manufacturing defects for a specified period.