Walker
Walker Products FSK

Walker 235-91001 Engine Camshaft Position Sensor

Brand Walker 235-91001
Connector Gender Male
Mounting Bracket Included Yes
Product line Walker Products FSK
Fits Buick, Oldsmobile, and Pontiac · 30 vehicles

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

Engine sensor. Measures camshaft position for precise engine management.

Walker Products FSK. From a long-running fuel system and engine sensor manufacturer.

Cross-references Febi-Bilstein 22001, Standard Ignition PC4 and 5S1242 for the same application. See all 13.

$36.51Free shipping
In stock · usually ships same day before 1pm CST
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Free returns within 60 days if it doesn't fit when fitment is verified.

Walker Products FSK Camshaft Position Sensor

Walker Products FSK 235-91001 is an engine camshaft position sensor built for direct-fit replacement in select Buick, Oldsmobile, and Pontiac applications. It features a male connector and includes a mounting bracket for proper sensor placement during service.

Key Features

  • Engine camshaft position sensor for ignition and engine management service
  • Male connector for the specified vehicle harness connection
  • Mounting bracket included for secure installation
  • Walker Products FSK line for application-specific replacement parts
  • Part number 235-91001 for accurate ordering and lookup

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. The Walker Products FSK line is positioned for service parts that match the original application requirements, and 235-91001 follows that approach for camshaft position sensor replacement. This part cross-references Standard Ignition PC4 for the same application.

Compatible With 1986-1988 Buick Century, 1986-1988 Buick LeSabre, 1986-1987 Buick Riviera, 1986-1988 Oldsmobile Cutlass Ciera, 1987-1988 Oldsmobile Cutlass Cruiser, 1986-1988 Oldsmobile Delta 88, 1986-1987 Oldsmobile 98, 1986-1987 Oldsmobile Toronado, and 1987-1988 Pontiac Bonneville. Use 235-91001 when servicing these camshaft position sensor applications on the listed vehicles.

Common Symptoms This Part May Address

  • Hard starting or extended crank time
  • Intermittent stalling or rough engine operation
  • Check engine light related to camshaft signal faults
  • Loss of synchronization between cam and crank signals
  • Driveability issues caused by an inaccurate camshaft position signal

Installation Notes

Verify connector style, bracket location, and vehicle application before installation. Inspect the harness, terminals, and mounting surface for damage or corrosion, and clear diagnostic trouble codes after replacement. Confirm proper sensor alignment and secure the bracket to the original mounting point.

Quality Assurance

Walker Products is an ISO 9001/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.

This part fits 30 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersFuel TypePositionNotes
1988BuickCentury3.8LV6N/AWalker Products FSK
1988BuickCentury3.8LV6GASN/AWalker Products FSK
1988BuickLeSabre3.8LV6N/AWalker Products FSK
1988BuickLeSabre3.8LV6GASN/AWalker Products FSK
1988OldsmobileCutlass Ciera3.8LV6GASN/AWalker Products FSK
1988OldsmobileCutlass Cruiser3.8LV6N/AWalker Products FSK
1988OldsmobileDelta 883.8LV6N/AWalker Products FSK
1988PontiacBonneville3.8LV6N/AWalker Products FSK
1987BuickCentury3.8LV6N/AWalker Products FSK
1987BuickCentury3.8LV6GASN/AWalker Products FSK
1987BuickLeSabre3.8LV6N/AWalker Products FSK
1987BuickLeSabre3.8LV6GASN/AWalker Products FSK
1987BuickRiviera3.8LV6N/AWalker Products FSK
1987BuickRiviera3.8LV6GASN/AWalker Products FSK
1987Oldsmobile983.8LV6GASN/AWalker Products FSK
1987OldsmobileCutlass Ciera3.8LV6GASN/AWalker Products FSK
1987OldsmobileCutlass Cruiser3.8LV6N/AWalker Products FSK
1987OldsmobileDelta 883.8LV6GASN/AWalker Products FSK
1987OldsmobileToronado3.8LV6GASN/AWalker Products FSK
1987PontiacBonneville3.8LV6GASN/AWalker Products FSK
1986BuickCentury3.8LV6N/AWalker Products FSK
1986BuickCentury3.8LV6GASN/AWalker Products FSK
1986BuickLeSabre3.8LV6N/AWalker Products FSK
1986BuickLeSabre3.8LV6GASN/AWalker Products FSK
1986BuickRiviera3.8LV6N/AWalker Products FSK
1986BuickRiviera3.8LV6GASN/AWalker Products FSK
1986Oldsmobile983.8LV6GASN/AWalker Products FSK
1986OldsmobileCutlass Ciera3.8LV6GASN/AWalker Products FSK
1986OldsmobileDelta 883.8LV6GASN/AWalker Products FSK
1986OldsmobileToronado3.8LV6GASN/AWalker Products FSK
Directly replaces or cross-references 13 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Febi-Bilstein — 22001Standard Ignition — PC45S1242147-401213-14496056147401213144CSS102CSS102PSS10047SU152SU152DG