Walker 235-1012 Engine Crankshaft Position Sensor

Walker 235-1012 Crankshaft Position Sensor

Walker Products 235-1012 is an engine crankshaft position sensor built for vehicles that use a 4-pin connector and a black oval connector design. It is engineered to meet or exceed OEM standards and specifications, with application coverage for select Buick, Oldsmobile, and Pontiac models from the mid-1980s.

Key Features

• Engine crankshaft position sensor for ignition and engine management systems
• Black housing with 1 male connector and 4 female terminals
• Oval connector shape for the listed applications
• No mounting bracket included
• Walker Products part number 235-1012
• Cross-reference: Standard Ignition PC6

Product Line Details

Walker Products has supplied fuel system and engine management components since 1946. The Walker Products line includes sensors and related engine management parts backed by in-house manufacturing, product management, and engineering support. As an ISO 9001/IATF16949 certified company, Walker focuses on producing parts that align with OEM-level requirements for fit, function, and application accuracy.

Fitment

• Fits 1986-1988 Buick Skylark, N/A, with 4 Pin Connector; Walker Products
• Fits 1985-1987 Oldsmobile Calais, N/A, with 4 Pin Connector; Walker Products
• Fits 1985-1987 Pontiac Grand Am, N/A, with 4 Pin Connector; Walker Products
• Fits 1986 Buick LeSabre, N/A, with 4 Pin Connector; Walker Products
• Fits 1986 Oldsmobile Delta 88, N/A, with 4 Pin Connector; Walker Products

What It Is Used For

• Restoring crankshaft position signal output for engine control
• Addressing intermittent no-start conditions tied to sensor failure
• Correcting stalling or rough running caused by inaccurate crank signal data
• Resolving ignition timing and engine synchronization faults
• Replacing a worn or damaged sensor on listed Buick, Oldsmobile, and Pontiac applications

Installation Notes and Tips

Verify the connector style, terminal count, and vehicle application before installation. This sensor uses a 4-pin connector with an oval shape, so matching the original connector configuration is important for proper fitment. Confirm the vehicle is one of the listed Buick, Oldsmobile, or Pontiac applications before ordering.

Quality Assurance

Walker Products manufactures engine sensors to meet or exceed OEM standards and specifications. The company supports its parts with engineering, product management, and technical documentation resources, and operates under ISO 9001/IATF16949 certification.