Walker 235-1506 Engine Crankshaft Position Sensor

Walker Crankshaft Position Sensor for Audi

Walker Products 235-1506 is an engine crankshaft position sensor built for precise engine speed signal delivery in select Audi applications. It is a direct-fit replacement for vehicles that use a gray engine speed sensor configuration, with fitment covering multiple Audi A4, A6, 90, 100, Cabriolet, and V8 Quattro models.

Key Features

• Engine crankshaft position sensor / engine speed sensor application
• Brown housing with 1 rectangular connector
• 3-terminal female connection with male connector gender
• 1 mounting hole design
• Walker Products 235-1506 for select Audi ignition and engine management systems
• Cross-references Standard Ignition PC181 and PC347 for the same application

Product Details

Walker Products has supplied fuel system and engine management components since 1946, with manufacturing and engineering support focused on meeting or exceeding OEM standards and specifications. The Walker Products line includes sensors and related engine management parts, and this crankshaft position sensor reflects that focus with application-specific construction for select Audi models. If you are sourcing a Walker Products 235-1506 replacement for an Audi A4, Audi A6, or Audi V8 Quattro, this part is listed for the engine speed sensor position noted in the fitment data.

Compatible With 1995-1998 Audi A6 Quattro, N/A; 1995-1998 Audi Cabriolet, N/A; 1996-1997 Audi A4, N/A; 1996-1997 Audi A4 Quattro, N/A; 1995-1997 Audi A6, N/A; 1995 Audi 90, N/A; 1995 Audi 90 Quattro, N/A; 1992-1994 Audi 100, N/A; 1992-1994 Audi 100 Quattro, N/A; 1993-1994 Audi 90, N/A; 1993-1994 Audi 90 Quattro, N/A; 1994 Audi Cabriolet, N/A; 1991-1994 Audi V8 Quattro, N/A; and 1990-1994 Audi V8 Quattro, N/A.

What It Helps Address

• Intermittent crankshaft position signal loss
• Hard starting or no-start conditions tied to engine speed input
• Rough running caused by inaccurate crank signal data
• Stalling related to sensor signal interruption
• Check engine light concerns linked to crankshaft sensor faults

Installation Notes and Tips

Verify connector shape, terminal count, and mounting style against the original sensor before installation. This part uses a rectangular connector, 3 terminals, and a single mounting hole, so matching the OE configuration is important for proper installation. Confirm the vehicle application by year, make, model, and engine speed sensor location before replacing the original unit.

Quality Assurance

Walker Products manufactures engine sensors and related components to meet or exceed OEM standards and specifications. The company supports production with in-house manufacturing, product management, engineering, and technical documentation, and operates as an ISO 9001/IATF16949 certified manufacturer.