Walker 235-1522 Engine Crankshaft Position Sensor

Walker 235-1522 Crankshaft Position Sensor

Walker Products 235-1522 is an engine crankshaft position sensor built for precise engine timing signal input and reliable ignition system operation. It is a direct-fit style replacement for select Audi and Volkswagen applications, including Audi A8 Quattro, Audi RS4, Volkswagen Touareg, and Volkswagen EuroVan.

Key Features

• Engine crankshaft position sensor for ignition and engine management systems
• Black housing with 1 oval connector
• 3 female terminals and 1 male connector interface
• 1 mounting hole design for application-specific installation
• Compatible with select 2004-2009 Audi and Volkswagen models
• Walker Products part number 235-1522

Product Details

Walker Products has supplied automotive fuel system and engine management components since 1946, with manufacturing and engineering support focused on meeting or exceeding OEM standards. The Walker 235-1522 crankshaft position sensor is part of that engine sensor lineup and is built for accurate signal delivery to the vehicle’s control system. This part is listed for 2005-2009 Audi A8 Quattro, 2007-2008 Audi RS4, 2004-2008 Volkswagen Touareg, and 2004 Volkswagen EuroVan, making it a fitment-based replacement for select European applications. This part cross-references Standard Ignition PC673 for the same application.

Common Symptoms This Sensor May Address

• Hard starting or extended crank time
• Intermittent stalling or engine cut-out
• Check engine light related to crankshaft signal faults
• Rough running caused by inconsistent engine speed input
• No-start condition tied to crankshaft position sensor failure

Installation Notes and Tips

Verify connector shape, terminal count, and mounting style before installation. This sensor uses a single oval connector with 3 terminals and a 1-hole mounting pattern, so matching the original part configuration is important. Confirm vehicle application by year, make, and model before ordering, especially for Audi A8 Quattro, Audi RS4, Volkswagen Touareg, and Volkswagen EuroVan applications. Follow the vehicle service procedure for sensor replacement and inspect the connector and wiring for corrosion or damage during installation.

Quality Assurance

Walker Products is ISO 9001 and IATF 16949 certified and supports its engine sensor products with in-house manufacturing, product management, engineering, application data, instruction sheets, and technical support. The 235-1522 is produced to align with OEM-level standards and specifications for the listed applications.