Walker
Walker Products FSK

Walker 235-91027 Engine Camshaft Position Sensor

Brand Walker 235-91027
Connector Gender Male
Mounting Bracket Included Yes
Product line Walker Products FSK
Fits Ford, Mercury, and Mazda · 81 vehicles

OE-standard quality. Built to meet or exceed OEM specifications.

Engine sensor. For accurate camshaft position signal detection.

ISO certified. Made by a company certified to ISO 9001/IATF 16949.

Cross-references Anchor 9666, Gates 22039 and Spectra Premium S10046 for the same application. See all 19.

$38.81Free shipping
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Free returns within 60 days if it doesn't fit when fitment is verified.

Walker Camshaft Position Sensor 235-91027

Walker Products FSK 235-91027 is an engine camshaft position sensor for select Ford, Mercury, and Mazda applications. It is built with a male connector and includes a mounting bracket for a direct-fit style replacement in vehicles such as the Ford Ranger, Ford Explorer, and Ford Mustang.

Walker Products FSK Details

Walker Products FSK is the brand line for engine management and fuel system components backed by Walkerโ€™s long history in the automotive aftermarket. The company focuses on parts manufactured to meet or exceed OEM standards and supports production with engineering, product management, and technical documentation for accurate vehicle coverage.

  • Engine camshaft position sensor for ignition and engine management service
  • Male connector for the specified vehicle applications
  • Mounting bracket included for installation support
  • OE-style replacement for select Ford, Mercury, and Mazda models
  • Part number 235-91027 for catalog and cross-reference lookup

Vehicle Fitment

  • Fits 2001-2011 Ford Ranger, N/A
  • Fits 2005-2010 Ford Explorer, N/A
  • Fits 2002-2003 Ford Explorer, N/A
  • Fits 1997-2000 Ford Explorer, N/A
  • Fits 2007-2010 Ford Explorer Sport Trac, N/A
  • Fits 2002-2005 Ford Explorer Sport Trac, N/A
  • Fits 2008-2010 Ford Fiesta, N/A
  • Fits 2005-2010 Ford Mustang, N/A
  • Fits 1998-2010 Mercury Mountaineer, N/A
  • Fits 2001-2009 Mazda B4000, N/A
  • Fits 2004 Ford Explorer, N/A, From 03/01/2004
  • Fits 2004 Ford Explorer, N/A, To 03/01/2004
  • Fits 2001-2003 Ford Explorer Sport, N/A
  • Fits 2001 Ford Explorer, N/A, Stamped #95BF12K073AB
  • Fits 2001 Ford Explorer Sport Trac, N/A, Stamped #95BF12K073AB
  • Fits 2001 Ford Fiesta, N/A, Full Service Kit

Common Replacement Symptoms

  • Hard starting or extended crank time
  • Intermittent stalling or rough engine operation
  • Check engine light related to camshaft position signal faults
  • Misfire or timing-related drivability concerns
  • Loss of synchronization between cam and crank sensor inputs

Installation Notes

Verify connector style, bracket location, and any build-date or stamped-number notes before installation. For Ford Explorer applications, confirm the date-specific coverage listed for 2004 models and the stamped #95BF12K073AB note on 2001 vehicles. Use the vehicle service information to confirm sensor placement and clear diagnostic trouble codes after replacement.

Quality Assurance

Walker Products is ISO 9001 and IATF 16949 certified and manufactures engine sensors to meet OEM-level standards and specifications. This part cross-references Standard Ignition PC423 for the same application.

This part fits 81 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersFuel TypePositionNotes
2011FordRanger4.0LV6—N/AWalker Products FSK
2010FordExplorer4.0LV6—N/AWalker Products FSK
2010FordExplorer Sport Trac4.0LV6—N/AWalker Products FSK
2010FordFiesta1.6LL4—N/AWalker Products FSK
2010FordMustang4.0LV6—N/AWalker Products FSK
2010FordRanger4.0LV6—N/AWalker Products FSK
2010MercuryMountaineer4.0LV6—N/AWalker Products FSK
2009FordExplorer4.0LV6—N/AWalker Products FSK
2009FordExplorer Sport Trac4.0LV6—N/AWalker Products FSK
2009FordFiesta1.6LL4—N/AWalker Products FSK
2009FordMustang4.0LV6—N/AWalker Products FSK
2009FordRanger4.0LV6—N/AWalker Products FSK
2009MazdaB40004.0LV6—N/AWalker Products FSK
2009MercuryMountaineer4.0LV6—N/AWalker Products FSK
2008FordExplorer4.0LV6—N/AWalker Products FSK
2008FordExplorer Sport Trac4.0LV6—N/AWalker Products FSK
2008FordFiesta1.6LL4—N/AWalker Products FSK
2008FordMustang4.0LV6—N/AWalker Products FSK
2008FordRanger4.0LV6—N/AWalker Products FSK
2008MazdaB40004.0LV6—N/AWalker Products FSK
2008MercuryMountaineer4.0LV6—N/AWalker Products FSK
2007FordExplorer4.0LV6—N/AWalker Products FSK
2007FordExplorer Sport Trac4.0LV6—N/AWalker Products FSK
2007FordMustang4.0LV6—N/AWalker Products FSK
2007FordRanger4.0LV6—N/AWalker Products FSK
2007MazdaB40004.0LV6—N/AWalker Products FSK
2007MercuryMountaineer4.0LV6—N/AWalker Products FSK
2006FordExplorer4.0LV6—N/AWalker Products FSK
2006FordMustang4.0LV6—N/AWalker Products FSK
2006FordRanger4.0LV6—N/AWalker Products FSK
2006MazdaB40004.0LV6—N/AWalker Products FSK
2006MercuryMountaineer4.0LV6—N/AWalker Products FSK
2005FordExplorer4.0LV6FLEXN/AWalker Products FSK
2005FordExplorer4.0LV6GASN/AWalker Products FSK
2005FordExplorer Sport Trac4.0LV6—N/AWalker Products FSK
2005FordExplorer Sport Trac4.0LV6FLEXN/AWalker Products FSK
2005FordExplorer Sport Trac4.0LV6GASN/AWalker Products FSK
2005FordMustang4.0LV6—N/AWalker Products FSK
2005FordRanger4.0LV6—N/AWalker Products FSK
2005MazdaB40004.0LV6—N/AWalker Products FSK
2005MercuryMountaineer4.0LV6FLEXN/AWalker Products FSK
2005MercuryMountaineer4.0LV6GASN/AWalker Products FSK
2004FordExplorer4.0LV6FLEXN/AFrom 03/01/2004; Walker Products FSK
2004FordExplorer4.0LV6FLEXN/ATo 03/01/2004; Walker Products FSK
2004FordExplorer4.0LV6GASN/ATo 03/01/2004; Walker Products FSK
2004FordExplorer4.0LV6GASN/AFrom 03/01/2004; Walker Products FSK
2004FordExplorer Sport Trac4.0LV6—N/AWalker Products FSK
2004FordExplorer Sport Trac4.0LV6FLEXN/AWalker Products FSK
2004FordExplorer Sport Trac4.0LV6GASN/AWalker Products FSK
2004FordRanger4.0LV6—N/AWalker Products FSK
2004MazdaB40004.0LV6—N/AWalker Products FSK
2004MercuryMountaineer4.0LV6—N/AWalker Products FSK
2003FordExplorer4.0LV6FLEXN/AWalker Products FSK
2003FordExplorer4.0LV6GASN/AWalker Products FSK
2003FordExplorer Sport4.0LV6—N/AWalker Products FSK
2003FordExplorer Sport Trac4.0LV6—N/AWalker Products FSK
2003FordRanger4.0LV6—N/AWalker Products FSK
2003MazdaB40004.0LV6—N/AWalker Products FSK
2003MercuryMountaineer4.0LV6—N/AWalker Products FSK
2002FordExplorer4.0LV6FLEXN/AWalker Products FSK
2002FordExplorer4.0LV6GASN/AWalker Products FSK
2002FordExplorer Sport4.0LV6—N/AWalker Products FSK
2002FordExplorer Sport Trac4.0LV6—N/AWalker Products FSK
2002FordRanger4.0LV6—N/AWalker Products FSK
2002MazdaB40004.0LV6—N/AWalker Products FSK
2002MercuryMountaineer4.0LV6FLEXN/AWalker Products FSK
2002MercuryMountaineer4.0LV6GASN/AWalker Products FSK
2001FordExplorer4.0LV6—N/AStamped #95BF12K073AB; Walker Products FSK
2001FordExplorer Sport4.0LV6—N/AWalker Products FSK
2001FordExplorer Sport Trac4.0LV6—N/AStamped #95BF12K073AB; Walker Products FSK
2001FordFiesta1.6LL4—N/AFull Service Kit
2001FordRanger4.0LV6GASN/AWalker Products FSK
2001MazdaB40004.0LV6—N/AWalker Products FSK
2001MercuryMountaineer4.0LV6—N/AWalker Products FSK
2000FordExplorer4.0LV6—N/AWalker Products FSK
2000MercuryMountaineer4.0LV6—N/AWalker Products FSK
1999FordExplorer4.0LV6—N/AWalker Products FSK
1999MercuryMountaineer4.0LV6—N/AWalker Products FSK
1998FordExplorer4.0LV6—N/AWalker Products FSK
1998MercuryMountaineer4.0LV6—N/AWalker Products FSK
1997FordExplorer4.0LV6—N/AWalker Products FSK
Directly replaces or cross-references 19 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Anchor — 9666Gates — 22039Spectra Premium — S10046Standard Ignition — PC4235S12895S1343147-258147-7001213-25069619014725814770012132506CSS1061CSS1585PC591SU2206SU2206DGSU5773