Walker 235-91030 Engine Crankshaft Position Sensor

Walker Crankshaft Position Sensor 235-91030

Walker Products FSK 235-91030 is an engine crankshaft position sensor built for accurate crankshaft signal input in supported Ford, Mazda, and Mercury applications. It uses a black housing, one male connector, two mounting holes, and an included mounting bracket for a direct-fit style replacement.

Walker Products has supplied fuel system and engine management components since 1946, with manufacturing and engineering support focused on meeting or exceeding OEM standards. The Walker Products FSK line is positioned for dependable engine sensor replacement across common domestic and import vehicle applications.

Key Features

• Engine crankshaft position sensor for ignition and engine management service
• Black sensor body with 1 connector and male terminal design
• 2 mounting holes for secure installation
• Mounting bracket included
• Walker Products FSK part number 235-91030
• Cross-reference example: Standard Ignition PC250

Vehicle Fitment

• Fits 1998-2011 Ford Ranger, N/A
• Fits 1997-2010 Ford Explorer, N/A
• Fits 2007-2010 Ford Explorer Sport Trac, N/A
• Fits 2001-2005 Ford Explorer Sport Trac, N/A
• Fits 2005-2010 Ford Mustang, N/A
• Fits 1998-2010 Mazda B4000, N/A
• Fits 1998-2010 Mercury Mountaineer, N/A
• Fits 2001-2003 Ford Explorer Sport, N/A

What It Helps Resolve

• Crankshaft position sensor fault codes
• Intermittent no-start or hard-start conditions
• Rough running caused by inconsistent crank signal input
• Stalling or hesitation related to engine timing signal loss
• Misfire complaints tied to crankshaft sensor failure

Installation Notes

Verify connector style, mounting points, and application match before installation. For Ford Ranger, Ford Explorer, Ford Explorer Sport Trac, Ford Mustang, Mazda B4000, Mercury Mountaineer, and Ford Explorer Sport applications, confirm the sensor location and harness routing against the original part. Use the vehicle service procedure for proper sensor alignment and secure mounting.

Quality Assurance

Walker Products manufactures engine sensors to meet or exceed OEM standards and specifications. The company is ISO 9001 and IATF 16949 certified, with product management and engineering support used to maintain application accuracy and part quality.