Denso 471-1031 A/C Compressor

Overview of Denso A/C Compressor for Toyota Sienna

The Denso 471-1031 A/C compressor is designed specifically for Toyota Sienna models, ensuring reliable air conditioning performance. Engineered to work with R134a refrigerant, this compressor supports efficient cooling and system durability.

• Compatible with Toyota Sienna vehicles
• Uses R134a refrigerant for optimal cooling
• Clutch maximum diameter of 115.0 mm
• 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 471-1031) features a clutch with a maximum diameter of 115.0 mm, designed to engage and disengage efficiently with the serpentine belt system found in Toyota Sienna models. The bolt tangent mounting type ensures a stable and precise fit, reducing vibration and wear. Compatible with R134a refrigerant, this compressor meets the specifications required for maintaining proper air conditioning system pressure and performance.

Applications and Common Issues Addressed

This A/C compressor is intended for use in Toyota Sienna vehicles requiring replacement or upgrade of the air conditioning compressor. It addresses several common HVAC system problems, including:

• Loss of cooling due to compressor failure
• Clutch slippage or failure affecting A/C engagement
• Leaks or damage in the compressor housing
• Noise or vibration caused by worn compressor components
• Incompatibility with R134a refrigerant systems

Installation Notes and Tips

When installing the Denso 471-1031 A/C compressor on a Toyota Sienna, ensure the serpentine belt is properly aligned with the clutch pulley. Verify that the bolt tangent mounting points are clean and free of debris to secure the compressor firmly. 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 fit and function on Toyota Sienna models. The part number 471-1031 undergoes rigorous quality control to ensure durability and reliable operation. Warranty coverage details should be confirmed with the supplier or manufacturer, as they may vary.