Walker
Walker Products FSK

Walker 235-91046 Engine Crankshaft Position Sensor

Brand Walker 235-91046
Color Black
Connector Gender Male
Connector Quantity 1
Mounting Bracket Included No
Mounting Hole Quantity 1
Product line Walker Products FSK
Fits Buick, Chevrolet, Pontiac, and Oldsmobile · 98 vehicles

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

Engine sensor. Measures crankshaft position for precise engine management.

Black finish. Clean, discreet look with a single connector design.

Cross-references Gates 22129, Standard Ignition PC61 and 5S1675 for the same application. See all 11.

$40.38Free shipping
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Free returns within 60 days if it doesn't fit when fitment is verified.

Walker Crankshaft Position Sensor 235-91046

Walker Products FSK 235-91046 is an engine crankshaft position sensor built for direct replacement service on select GM vehicles. It uses a black housing, one male connector, and one mounting hole for a straightforward OE-style fit at the rear of the engine harmonic balancer or timing cover, depending on application.

Key Features

  • Engine crankshaft position sensor for ignition and engine management service
  • Black sensor body with 1 connector and 1 mounting hole
  • Male connector design
  • No mounting bracket included
  • Walker Products FSK line for application-specific replacement parts
  • Cross-reference: Gates 22129

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. Part number 235-91046 is part of the Walker Products FSK line, which supports accurate vehicle application coverage and replacement fitment for crankshaft sensor service. Compatible With 1993-2005 Buick, Chevrolet, Oldsmobile, and Pontiac applications listed below, including 1997-2003 Chevrolet Malibu, 1999-2005 Pontiac Grand Am, and 1999-2004 Oldsmobile Alero. This part cross-references Standard Ignition PC61 for the same application.

What It Helps Fix

  • Crankshaft signal loss that can trigger a no-start condition
  • Intermittent stalling caused by an unstable engine speed signal
  • Rough running or misfire concerns tied to crank position input
  • Check engine light faults related to crankshaft sensor performance
  • Hard starting after heat soak or during extended cranking

Installation Notes

  • Fits 2002-2005 Buick Rendezvous, rear of engine harmonic balancer
  • Fits 2001-2005 Pontiac Aztek, rear of engine harmonic balancer
  • Fits 1999-2005 Pontiac Grand Am, rear of engine harmonic balancer
  • Fits 1999-2004 Oldsmobile Alero, rear of engine harmonic balancer
  • Fits 1997-2003 Chevrolet Malibu, rear of engine harmonic balancer
  • Fits 1994 Buick Regal, timing cover placement
  • Fits 1994 Pontiac Grand Prix, timing cover placement

Verify connector style, mounting location, and engine configuration before installation. The sensor is listed with one connector and one mounting hole, and the application notes identify rear harmonic balancer or timing cover placement depending on vehicle.

Quality Assurance

Walker Products is an ISO 9001 and IATF 16949 certified manufacturer with in-house product management and engineering support. The company states its engine sensors are produced to meet or exceed OEM standards and specifications, with application data and technical support maintained for accuracy.

This part fits 98 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersFuel TypePositionNotes
2005BuickRendezvous3.4LV6GASN/AEngine Crankshaft Position Sensor fits at the rear of the engine harmonic balancer.; Walker Products FSK
2005PontiacAztek3.4LV6GASN/AEngine Crankshaft Position Sensor fits at the rear of the engine harmonic balancer.; Walker Products FSK
2005PontiacGrand Am3.4LV6GASN/AEngine Crankshaft Position Sensor fits at the rear of the engine harmonic balancer.; Walker Products FSK
2005PontiacMontana3.4LV6GASN/AEngine Crankshaft Position Sensor fits at the rear of the engine harmonic balancer.; Walker Products FSK
2004BuickRendezvous3.4LV6GASN/AEngine Crankshaft Position Sensor fits at the rear of the engine harmonic balancer.; Walker Products FSK
2004OldsmobileAlero3.4LV6GASN/AEngine Crankshaft Position Sensor fits at the rear of the engine harmonic balancer.; Walker Products FSK
2004OldsmobileSilhouette3.4LV6GASN/AEngine Crankshaft Position Sensor fits at the rear of the engine harmonic balancer.; Walker Products FSK
2004PontiacAztek3.4LV6GASN/AEngine Crankshaft Position Sensor fits at the rear of the engine harmonic balancer.; Walker Products FSK
2004PontiacGrand Am3.4LV6—N/AEngine Crankshaft Position Sensor fits at the rear of the engine harmonic balancer.; Walker Products FSK
2004PontiacGrand Am3.4LV6GASN/AEngine Crankshaft Position Sensor fits at the rear of the engine harmonic balancer.; Walker Products FSK
2004PontiacMontana3.4LV6GASN/AEngine Crankshaft Position Sensor fits at the rear of the engine harmonic balancer.; Walker Products FSK
2003BuickRendezvous3.4LV6GASN/AEngine Crankshaft Position Sensor fits at the rear of the engine harmonic balancer.; Walker Products FSK
2003ChevroletMalibu3.1LV6GASN/AEngine Crankshaft Position Sensor fits at the rear of the engine harmonic balancer.; Walker Products FSK
2003OldsmobileAlero3.4LV6GASN/AEngine Crankshaft Position Sensor fits at the rear of the engine harmonic balancer.; Walker Products FSK
2003OldsmobileSilhouette3.4LV6GASN/AEngine Crankshaft Position Sensor fits at the rear of the engine harmonic balancer.; Walker Products FSK
2003PontiacAztek3.4LV6GASN/AEngine Crankshaft Position Sensor fits at the rear of the engine harmonic balancer.; Walker Products FSK
2003PontiacGrand Am3.4LV6—N/AEngine Crankshaft Position Sensor fits at the rear of the engine harmonic balancer.; Walker Products FSK
2003PontiacGrand Am3.4LV6GASN/AEngine Crankshaft Position Sensor fits at the rear of the engine harmonic balancer.; Walker Products FSK
2003PontiacMontana3.4LV6GASN/AEngine Crankshaft Position Sensor fits at the rear of the engine harmonic balancer.; Walker Products FSK
2002BuickRendezvous3.4LV6GASN/AEngine Crankshaft Position Sensor fits at the rear of the engine harmonic balancer.; Walker Products FSK
2002ChevroletMalibu3.1LV6GASN/AEngine Crankshaft Position Sensor fits at the rear of the engine harmonic balancer.; Walker Products FSK
2002OldsmobileAlero3.4LV6GASN/AEngine Crankshaft Position Sensor fits at the rear of the engine harmonic balancer.; Walker Products FSK
2002OldsmobileSilhouette3.4LV6GASN/AEngine Crankshaft Position Sensor fits at the rear of the engine harmonic balancer.; Walker Products FSK
2002PontiacAztek3.4LV6GASN/AEngine Crankshaft Position Sensor fits at the rear of the engine harmonic balancer.; Walker Products FSK
2002PontiacGrand Am3.4LV6—N/AEngine Crankshaft Position Sensor fits at the rear of the engine harmonic balancer.; Walker Products FSK
2002PontiacGrand Am3.4LV6GASN/AEngine Crankshaft Position Sensor fits at the rear of the engine harmonic balancer.; Walker Products FSK
2002PontiacMontana3.4LV6GASN/AEngine Crankshaft Position Sensor fits at the rear of the engine harmonic balancer.; Walker Products FSK
2001ChevroletMalibu3.1LV6GASN/AEngine Crankshaft Position Sensor fits at the rear of the engine harmonic balancer.; Walker Products FSK
2001OldsmobileAlero3.4LV6GASN/AEngine Crankshaft Position Sensor fits at the rear of the engine harmonic balancer.; Walker Products FSK
2001OldsmobileSilhouette3.4LV6GASN/AEngine Crankshaft Position Sensor fits at the rear of the engine harmonic balancer.; Walker Products FSK
2001PontiacAztek3.4LV6GASN/AEngine Crankshaft Position Sensor fits at the rear of the engine harmonic balancer.; Walker Products FSK
2001PontiacGrand Am3.4LV6—N/AEngine Crankshaft Position Sensor fits at the rear of the engine harmonic balancer.; Walker Products FSK
2001PontiacGrand Am3.4LV6GASN/AEngine Crankshaft Position Sensor fits at the rear of the engine harmonic balancer.; Walker Products FSK
2001PontiacMontana3.4LV6GASN/AEngine Crankshaft Position Sensor fits at the rear of the engine harmonic balancer.; Walker Products FSK
2000ChevroletMalibu3.1LV6GASN/AEngine Crankshaft Position Sensor fits at the rear of the engine harmonic balancer.; Walker Products FSK
2000OldsmobileAlero3.4LV6GASN/AEngine Crankshaft Position Sensor fits at the rear of the engine harmonic balancer.; Walker Products FSK
2000OldsmobileSilhouette3.4LV6GASN/AEngine Crankshaft Position Sensor fits at the rear of the engine harmonic balancer.; Walker Products FSK
2000PontiacGrand Am3.4LV6—N/AEngine Crankshaft Position Sensor fits at the rear of the engine harmonic balancer.; Walker Products FSK
2000PontiacGrand Am3.4LV6GASN/AEngine Crankshaft Position Sensor fits at the rear of the engine harmonic balancer.; Walker Products FSK
2000PontiacMontana3.4LV6GASN/AEngine Crankshaft Position Sensor fits at the rear of the engine harmonic balancer.; Walker Products FSK
1999ChevroletMalibu3.1LV6—N/AEngine Crankshaft Position Sensor fits at the rear of the engine harmonic balancer.; Walker Products FSK
1999ChevroletMalibu3.1LV6GASN/AEngine Crankshaft Position Sensor fits at the rear of the engine harmonic balancer.; Walker Products FSK
1999OldsmobileAlero3.4LV6GASN/AEngine Crankshaft Position Sensor fits at the rear of the engine harmonic balancer.; Walker Products FSK
1999OldsmobileCutlass3.1LV6GASN/AEngine Crankshaft Position Sensor fits at the rear of the engine harmonic balancer.; Walker Products FSK
1999OldsmobileSilhouette3.4LV6GASN/AEngine Crankshaft Position Sensor fits at the rear of the engine harmonic balancer.; Walker Products FSK
1999PontiacGrand Am3.4LV6—N/AEngine Crankshaft Position Sensor fits at the rear of the engine harmonic balancer.; Walker Products FSK
1999PontiacGrand Am3.4LV6GASN/AEngine Crankshaft Position Sensor fits at the rear of the engine harmonic balancer.; Walker Products FSK
1999PontiacMontana3.4LV6GASN/AEngine Crankshaft Position Sensor fits at the rear of the engine harmonic balancer.; Walker Products FSK
1999PontiacTrans Sport3.4LV6—N/AWalker Products FSK
1998ChevroletMalibu3.1LV6—N/AEngine Crankshaft Position Sensor fits at the rear of the engine harmonic balancer.; Walker Products FSK
1998ChevroletMalibu3.1LV6GASN/AEngine Crankshaft Position Sensor fits at the rear of the engine harmonic balancer.; Walker Products FSK
1998OldsmobileAchieva3.1LV6GASN/AEngine Crankshaft Position Sensor fits at the rear of the engine harmonic balancer.; Walker Products FSK
1998OldsmobileCutlass3.1LV6GASN/AEngine Crankshaft Position Sensor fits at the rear of the engine harmonic balancer.; Walker Products FSK
1998OldsmobileSilhouette3.4LV6GASN/AEngine Crankshaft Position Sensor fits at the rear of the engine harmonic balancer.; Walker Products FSK
1998PontiacTrans Sport3.4LV6GASN/AEngine Crankshaft Position Sensor fits at the rear of the engine harmonic balancer.; Walker Products FSK
1997ChevroletLumina3.4LV6GASN/AEngine Crankshaft Position Sensor fits at the rear of the engine harmonic balancer.; Walker Products FSK
1997ChevroletMalibu3.1LV6—N/AEngine Crankshaft Position Sensor fits at the rear of the engine harmonic balancer.; Walker Products FSK
1997ChevroletMalibu3.1LV6GASN/AEngine Crankshaft Position Sensor fits at the rear of the engine harmonic balancer.; Walker Products FSK
1997ChevroletMonte Carlo3.4LV6GASN/AEngine Crankshaft Position Sensor fits at the rear of the engine harmonic balancer.; Walker Products FSK
1997OldsmobileAchieva3.1LV6GASN/AEngine Crankshaft Position Sensor fits at the rear of the engine harmonic balancer.; Walker Products FSK
1997OldsmobileCutlass3.1LV6GASN/AEngine Crankshaft Position Sensor fits at the rear of the engine harmonic balancer.; Walker Products FSK
1997OldsmobileCutlass Supreme3.1LV6GASN/AEngine Crankshaft Position Sensor fits at the rear of the engine harmonic balancer.; Walker Products FSK
1997OldsmobileSilhouette3.4LV6GASN/AEngine Crankshaft Position Sensor fits at the rear of the engine harmonic balancer.; Walker Products FSK
1997PontiacTrans Sport3.4LV6GASN/AEngine Crankshaft Position Sensor fits at the rear of the engine harmonic balancer.; Walker Products FSK
1996BuickCentury3.1LV6—N/AEngine Crankshaft Position Sensor fits at the rear of the engine harmonic balancer.; Walker Products FSK
1996BuickCentury3.1LV6GASN/AEngine Crankshaft Position Sensor fits at the rear of the engine harmonic balancer.; Walker Products FSK
1996BuickRegal3.1LV6GASN/AEngine Crankshaft Position Sensor fits at the rear of the engine harmonic balancer.; Walker Products FSK
1996BuickSkylark3.1LV6GASN/AEngine Crankshaft Position Sensor fits at the rear of the engine harmonic balancer.; Walker Products FSK
1996ChevroletLumina3.4LV6GASN/AEngine Crankshaft Position Sensor fits at the rear of the engine harmonic balancer.; Walker Products FSK
1996ChevroletLumina3.1LV6GASN/AEngine Crankshaft Position Sensor fits at the rear of the engine harmonic balancer.; Walker Products FSK
1996ChevroletLumina APV3.4LV6GASN/AEngine Crankshaft Position Sensor fits at the rear of the engine harmonic balancer.; Walker Products FSK
1996ChevroletMonte Carlo3.4LV6GASN/AEngine Crankshaft Position Sensor fits at the rear of the engine harmonic balancer.; Walker Products FSK
1996ChevroletMonte Carlo3.1LV6GASN/AEngine Crankshaft Position Sensor fits at the rear of the engine harmonic balancer.; Walker Products FSK
1996OldsmobileAchieva3.1LV6GASN/AEngine Crankshaft Position Sensor fits at the rear of the engine harmonic balancer.; Walker Products FSK
1996OldsmobileCutlass3.1LV6—N/AEngine Crankshaft Position Sensor fits at the rear of the engine harmonic balancer.; Walker Products FSK
1996OldsmobileCutlass Ciera3.1LV6GASN/AEngine Crankshaft Position Sensor fits at the rear of the engine harmonic balancer.; Walker Products FSK
1996OldsmobileCutlass Supreme3.4LV6GASN/AEngine Crankshaft Position Sensor fits at the rear of the engine harmonic balancer.; Walker Products FSK
1996OldsmobileCutlass Supreme3.1LV6GASN/AEngine Crankshaft Position Sensor fits at the rear of the engine harmonic balancer.; Walker Products FSK
1996OldsmobileSilhouette3.4LV6GASN/AEngine Crankshaft Position Sensor fits at the rear of the engine harmonic balancer.; Walker Products FSK
1996PontiacGrand Am3.1LV6GASN/AEngine Crankshaft Position Sensor fits at the rear of the engine harmonic balancer.; Walker Products FSK
1996PontiacGrand Prix3.1LV6GASN/AEngine Crankshaft Position Sensor fits at the rear of the engine harmonic balancer.; Walker Products FSK
1996PontiacTrans Sport3.4LV6GASN/AEngine Crankshaft Position Sensor fits at the rear of the engine harmonic balancer.; Walker Products FSK
1995BuickRegal3.1LV6GASN/AEngine Crankshaft Position Sensor fits at the rear of the engine harmonic balancer.; Walker Products FSK
1995BuickSkylark3.1LV6GASN/AEngine Crankshaft Position Sensor fits at the rear of the engine harmonic balancer.; Walker Products FSK
1995ChevroletLumina3.1LV6GASN/AEngine Crankshaft Position Sensor fits at the rear of the engine harmonic balancer.; Walker Products FSK
1995ChevroletMonte Carlo3.1LV6GASN/AEngine Crankshaft Position Sensor fits at the rear of the engine harmonic balancer.; Walker Products FSK
1995OldsmobileAchieva3.1LV6GASN/AEngine Crankshaft Position Sensor fits at the rear of the engine harmonic balancer.; Walker Products FSK
1995OldsmobileCutlass3.1LV6—N/ALocated Behind Balancer; with Wire Lead; Walker Products FSK
1995OldsmobileCutlass Supreme3.1LV6GASN/AEngine Crankshaft Position Sensor fits at the rear of the engine harmonic balancer.; Walker Products FSK
1995PontiacGrand Am3.1LV6GASN/AEngine Crankshaft Position Sensor fits at the rear of the engine harmonic balancer.; Walker Products FSK
1995PontiacGrand Prix3.1LV6GASN/AEngine Crankshaft Position Sensor fits at the rear of the engine harmonic balancer.; Walker Products FSK
1994BuickRegal3.1LV6—N/ATiming Cover Placement; Walker Products FSK
1994BuickSkylark3.1LV6—N/ATiming Cover Placement; Walker Products FSK
1994OldsmobileAchieva3.1LV6—N/ATiming Cover Placement; Walker Products FSK
1994OldsmobileCutlass Supreme3.1LV6—N/ATiming Cover Placement; Walker Products FSK
1994PontiacGrand Am3.1LV6—N/ATiming Cover Placement; Walker Products FSK
1994PontiacGrand Prix3.1LV6—N/ATiming Cover Placement; Walker Products FSK
1993OldsmobileCutlass Supreme3.1LV6—N/ATiming Cover Placement; Walker Products FSK
Directly replaces or cross-references 11 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Gates — 22129Standard Ignition — PC615S1675147-431213-93696080147431213936CSS23SU195SU195DG