OE Quality
60-Day Returns

Denso 471-1691 A/C Compressor
Overview of Denso 471-1691 A/C Compressor for Audi Models
The Denso 471-1691 A/C compressor is designed specifically for select Audi vehicles, including the A4, A4 Quattro, A5, A5 Quattro, and Q5. Engineered to work with R134a refrigerant, this compressor ensures reliable air conditioning performance in your vehicle's HVAC system.
- Compatible with Audi A4, A4 Quattro, A5, A5 Quattro, and Q5 models
- Designed for R134a refrigerant systems
- Clutch maximum diameter of 100.0 mm for precise engagement
- Serpentine pulley belt type for efficient power transfer
- Bolt tangent mounting type for secure installation
Technical Details and Features
The Denso 471-1691 A/C compressor features a clutch with a maximum diameter of 100.0 mm, optimized for smooth and consistent operation. It is compatible with serpentine belt systems, which are common in modern Audi vehicles, providing efficient power delivery and reduced belt wear. The bolt tangent mounting type ensures a secure and stable fit within the engine bay, minimizing vibration and enhancing durability. This compressor is designed to operate with R134a refrigerant, the standard for many automotive air conditioning systems.
Applications and Common Issues Addressed
This A/C compressor is intended for use in the HVAC systems of Audi A4, A4 Quattro, A5, A5 Quattro, and Q5 models. It addresses several common air conditioning problems, including:
- Loss of cooling performance due to compressor failure
- Clutch slippage or failure affecting A/C engagement
- Noise or vibration caused by worn or damaged compressors
- Leaks or refrigerant circulation issues within the compressor
- Incompatibility with R134a refrigerant systems
Installation Notes and Tips
When installing the Denso 471-1691 A/C compressor, ensure the serpentine belt is properly aligned and tensioned to prevent premature wear. Verify that the mounting bolts are torqued to manufacturer specifications to maintain secure attachment. It is recommended to evacuate and recharge the A/C system with R134a refrigerant after installation to ensure optimal performance. Inspect related components such as the clutch and pulley for wear during replacement.
Quality Assurance and Warranty Information
Denso manufactures this A/C compressor to meet OEM standards for fit, form, and function. The part number 471-1691 is backed by Denso's quality control processes to ensure reliability and durability. While specific warranty terms may vary, Denso typically offers coverage against defects in materials and workmanship. Always consult the warranty documentation provided with the part for detailed information.
This part fits 14 vehicles. Search below:
| Year | Make | Model | Submodel | Position | Notes |
|---|---|---|---|---|---|
| 2012 | Audi | A4 | N/A | ||
| 2012 | Audi | A4 Quattro | N/A | ||
| 2012 | Audi | Q5 | N/A | ||
| 2011 | Audi | A4 | N/A | ||
| 2011 | Audi | A4 Quattro | N/A | ||
| 2011 | Audi | A5 | N/A | ||
| 2011 | Audi | A5 Quattro | N/A | ||
| 2011 | Audi | Q5 | N/A | ||
| 2010 | Audi | A4 | N/A | ||
| 2010 | Audi | A4 Quattro | N/A | ||
| 2010 | Audi | A5 | N/A | ||
| 2010 | Audi | A5 Quattro | N/A | ||
| 2009 | Audi | A4 | Base | N/A | |
| 2009 | Audi | A4 Quattro | Base | N/A |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.