Denso 471-1262 A/C Compressor

Overview of Denso A/C Compressor 471-1262 for BMW and Rolls-Royce

The Denso A/C Compressor part number 471-1262 is designed specifically for select BMW and Rolls-Royce models, including the BMW 750iL and Rolls-Royce Silver Seraph. This compressor supports R134a refrigerant and features a serpentine pulley belt type, ensuring compatibility with the vehicle's existing HVAC system.

• Compatible with BMW 750iL and Rolls-Royce Silver Seraph
• Uses R134a refrigerant type
• Clutch maximum diameter of 110.0 mm
• Serpentine pulley belt type for efficient power transfer
• Bolt tangent mounting type for secure installation

Technical Details and Features

The Denso 471-1262 A/C compressor is engineered with a clutch maximum diameter of 110.0 mm, which is critical for proper engagement and disengagement of the compressor clutch. The serpentine pulley belt type is compatible with modern engine belt systems, providing smooth operation and reduced wear. The bolt tangent mounting type ensures a secure and precise fit within the HVAC assembly of the BMW 750iL and Rolls-Royce Silver Seraph models. This compressor is designed to work with R134a refrigerant, the standard for many automotive air conditioning systems.

Applications and Problem Resolution

This A/C compressor is used to maintain the air conditioning system's cooling performance in the specified vehicles. It addresses several common issues, including:

• Loss of cooling efficiency due to compressor failure
• Clutch slippage or failure affecting compressor engagement
• Noise or vibration caused by worn pulley or clutch components
• Leaks or refrigerant circulation problems within the compressor
• Incompatibility with R134a refrigerant systems

Installation Notes and Tips

When installing the Denso 471-1262 A/C compressor, ensure the following:

• Verify compatibility with BMW 750iL or Rolls-Royce Silver Seraph models
• Use proper torque specifications for bolt tangent mounting
• Inspect and replace the serpentine belt if worn or damaged
• Evacuate and recharge the A/C system with R134a refrigerant after installation
• Check for proper clutch engagement and pulley alignment

Quality Assurance and Warranty

Denso manufactures this A/C compressor to meet OEM standards for fit, form, and function. The part number 471-1262 undergoes rigorous quality control to ensure durability and reliable performance in BMW 750iL and Rolls-Royce Silver Seraph vehicles. Warranty coverage details should be confirmed at the point of purchase, typically including protection against manufacturing defects.