Walker 235-1088 Engine Crankshaft Position Sensor

Engine Crankshaft Position Sensor for VW and Audi

Walker Products 235-1088 is an engine crankshaft position sensor built for select Audi and Volkswagen applications. It uses a black housing, an oval 1-connector design, and a 3-terminal female connection with a mounting bracket included for direct replacement service.

Compatible With 2000-2015 Audi TT, TT Quattro, A3, A4, A4 Quattro, A1, S3, and TTS Quattro, plus select Volkswagen Jetta, Golf, GTI, Beetle, Passat, Eos, Bora, Touareg, Polo, and EuroVan applications. This part number, 235-1088, is also listed across multiple OE-style interchange references for the same application.

Key Features

• Engine crankshaft position sensor for ignition and engine management service
• Black sensor body with oval connector shape
• 1 connector, 3 terminals, male connector / female terminal configuration
• Mounting bracket included for proper sensor placement
• Walker Products engineering and manufacturing support for aftermarket replacement parts
• Part number 235-1088 for catalog and fitment lookup

Product Details

Walker Products has supplied fuel system and engine management components since 1946, with a product line that includes cam and crank sensors, oxygen sensors, throttle position sensors, fuel injectors, spark plug wires, and related gaskets. The Walker Products line is backed by in-house manufacturing, product management, and engineering resources, and the company is ISO 9001/IATF16949 certified. For buyers searching for a crankshaft position sensor for Audi TT Quattro, Volkswagen Jetta, or Volkswagen Golf applications, 235-1088 provides a direct-fit replacement option for the listed vehicles and notes.

This part cross-references Bosch 0261210199 and Standard Ignition PC525 for the same application.

Common Problems This Sensor Can Address

• Crankshaft signal loss that can trigger a no-start condition
• Intermittent stalling or rough running related to engine speed input
• Check engine light concerns tied to crankshaft position sensor faults
• Hard starting after heat soak or during cold starts
• Misfire or timing-related drivability issues caused by an inaccurate crank signal

Installation Notes and Tips

Verify the connector style, terminal count, and mounting location against the original sensor before installation. Confirm vehicle-specific notes such as sensor-only applications, emissions notes, start-stop exclusions, or chassis/VIN restrictions where listed. For best results, inspect the harness and connector for corrosion or damage before installing the new sensor.

Quality Assurance

Walker Products manufactures engine sensors to meet or exceed OEM standards and specifications, with technical support and application data maintained by its own engineering staff. The company’s ISO 9001/IATF16949 certification supports consistent production and catalog accuracy for replacement parts such as the 235-1088 crankshaft position sensor.