Denso 471-1594 A/C Compressor

Overview of the Denso 471-1594 A/C Compressor

The Denso 471-1594 A/C compressor is engineered for reliable air conditioning performance in select Mercedes-Benz models. Designed to work with R134a refrigerant, this compressor ensures efficient cooling and system compatibility for vehicles like the GL450 and ML350.

• Compatible with Mercedes-Benz GL450, GL550, ML350, ML500, ML550, R350, and R500 models
• Uses R134a refrigerant for optimal cooling efficiency
• Clutch maximum diameter of 100.0 mm for precise engagement
• Serpentine pulley belt type for smooth operation
• Bolt tangent mounting type for secure installation

Technical Details and Features

The Denso 471-1594 A/C compressor is designed to meet the specific requirements of Mercedes-Benz SUVs and crossovers. Its clutch has a maximum diameter of 100.0 mm, which ensures proper engagement and disengagement during operation. The serpentine pulley belt type is compatible with the vehicle’s existing belt system, providing consistent power transmission. The bolt tangent mounting type allows for a secure and stable fitment, reducing vibration and wear over time. This compressor is optimized for use with R134a refrigerant, the standard for many modern automotive air conditioning systems.

Compatible Mercedes-Benz Models

This A/C compressor is compatible with the following Mercedes-Benz vehicles:

• GL-Class: GL450, GL550
• ML-Class: ML350, ML500, ML550
• R-Class: R350, R500

When searching for an A/C compressor replacement for these models, referencing the part number 471-1594 will help ensure proper fit and function.

Common Applications and Problem Resolution

This Denso A/C compressor is used to restore or maintain the air conditioning system’s cooling performance. It addresses issues such as:

• Loss of cooling or insufficient air conditioning output
• Clutch failure or slipping during compressor engagement
• Unusual noises from the compressor pulley or clutch assembly
• Refrigerant leaks or compressor seal failures
• Incompatibility with R134a refrigerant systems

Installation Notes and Tips

Installation of the Denso 471-1594 A/C compressor requires proper handling to avoid damage to the clutch and pulley assembly. Ensure the serpentine belt is correctly routed and tensioned according to manufacturer specifications. The bolt tangent mounting type necessitates secure fastening to prevent vibration. It is recommended to evacuate and recharge the A/C system with R134a refrigerant after installation to maintain system integrity and performance.

Quality Assurance and Warranty

Denso manufactures this A/C compressor to meet OEM standards for durability and performance. The part number 471-1594 undergoes rigorous quality control to ensure compatibility with Mercedes-Benz GL, ML, and R-Class models. Warranty coverage details should be confirmed at the point of purchase, but Denso products typically include a limited warranty against defects in materials and workmanship.