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Walker 235-1638 Engine Crankshaft Position Sensor
Reliable Engine Crankshaft Position Sensor for Audi Models
The Walker Products 235-1638 Engine Crankshaft Position Sensor is designed to provide accurate engine timing data for select Audi vehicles. This sensor ensures proper engine performance and smooth operation for Audi A4, A4 Quattro, A6, A6 Quattro, and A8 Quattro models.
- Compatible with Audi A4, A4 Quattro, A6, A6 Quattro, and A8 Quattro
- Walker Products brand line known for quality ignition sensors
- Part number 235-1638 for precise identification and fitment
- Engine crankshaft position sensor critical for engine timing and fuel injection
- GTIN 00724620136177 for easy product tracking and verification
About the Walker Products Brand Line
Walker Products offers a range of ignition sensors engineered to meet OEM specifications. The 235-1638 crankshaft position sensor is part of this line, providing reliable engine management components designed to maintain proper ignition timing and engine control. This product line focuses on durability and compatibility with specific vehicle applications, including various Audi models.
Product Description and Function
The Walker 235-1638 crankshaft position sensor monitors the rotational speed and position of the crankshaft in compatible Audi vehicles. This data is essential for the engine control unit (ECU) to regulate ignition timing and fuel injection. Proper sensor function helps maintain engine efficiency, reduces emissions, and supports smooth engine operation. This sensor is engineered to fit directly into the engine assembly of Audi A4, A4 Quattro, A6, A6 Quattro, and A8 Quattro models, ensuring accurate and consistent performance.
Common Issues Addressed by This Sensor
- Engine misfires or rough idling due to inaccurate crankshaft position data
- Difficulty starting the engine or intermittent stalling
- Check engine light triggered by faulty crankshaft sensor signals
- Poor fuel economy caused by incorrect ignition timing
- Engine hesitation or reduced power output during acceleration
Installation Notes and Tips
Installation of the Walker 235-1638 sensor requires basic mechanical knowledge and proper tools. Ensure the engine is cool before beginning installation. Disconnect the battery to prevent electrical shorts. Remove the old sensor carefully to avoid damage to the mounting area. Align the new sensor correctly and secure it according to manufacturer torque specifications. After installation, clear any diagnostic trouble codes and verify sensor operation through engine diagnostics.
Quality Assurance and Warranty
Walker Products maintains strict quality control standards for the 235-1638 crankshaft position sensor. Each unit undergoes testing to ensure compatibility and performance with specified Audi models. While specific warranty details are not provided here, Walker Products typically offers coverage against manufacturing defects. Consult product documentation or authorized sources for exact warranty terms.
This part fits 30 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2011 | Audi | A6 | 3.2L | V6 | N/A | Walker Products |
| 2011 | Audi | A6 Quattro | 4.2L | V8 | N/A | Walker Products |
| 2011 | Audi | A6 Quattro | 3.0L | V6 | N/A | Walker Products |
| 2010 | Audi | A6 | 3.2L | V6 | N/A | Walker Products |
| 2010 | Audi | A6 Quattro | 4.2L | V8 | N/A | Walker Products |
| 2010 | Audi | A6 Quattro | 3.0L | V6 | N/A | Walker Products |
| 2010 | Audi | A8 Quattro | 4.2L | V8 | N/A | Walker Products |
| 2009 | Audi | A6 | 3.2L | V6 | N/A | Walker Products |
| 2009 | Audi | A6 Quattro | 4.2L | V8 | N/A | Walker Products |
| 2009 | Audi | A6 Quattro | 3.0L | V6 | N/A | Walker Products |
| 2009 | Audi | A8 Quattro | 4.2L | V8 | N/A | Walker Products |
| 2008 | Audi | A4 | 3.2L | V6 | N/A | Walker Products |
| 2008 | Audi | A4 Quattro | 3.2L | V6 | N/A | Walker Products |
| 2008 | Audi | A6 | 3.2L | V6 | N/A | Walker Products |
| 2008 | Audi | A6 Quattro | 4.2L | V8 | N/A | Walker Products |
| 2008 | Audi | A6 Quattro | 3.2L | V6 | N/A | Walker Products |
| 2008 | Audi | A8 Quattro | 4.2L | V8 | N/A | Walker Products |
| 2007 | Audi | A4 | 3.2L | V6 | N/A | Walker Products |
| 2007 | Audi | A4 Quattro | 3.2L | V6 | N/A | Walker Products |
| 2007 | Audi | A6 | 3.2L | V6 | N/A | Walker Products |
| 2007 | Audi | A6 Quattro | 4.2L | V8 | N/A | Walker Products |
| 2007 | Audi | A6 Quattro | 3.2L | V6 | N/A | Walker Products |
| 2007 | Audi | A8 Quattro | 4.2L | V8 | N/A | Walker Products |
| 2006 | Audi | A4 | 3.2L | V6 | N/A | Walker Products |
| 2006 | Audi | A4 Quattro | 3.2L | V6 | N/A | Walker Products |
| 2006 | Audi | A6 | 3.2L | V6 | N/A | Walker Products |
| 2006 | Audi | A6 Quattro | 3.2L | V6 | N/A | Walker Products |
| 2005 | Audi | A4 | 3.2L | V6 | N/A | Sensor Only |
| 2005 | Audi | A4 Quattro | 3.2L | V6 | N/A | Walker Products |
| 2005 | Audi | A6 Quattro | 3.2L | V6 | N/A | Walker Products |
* 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.