Walker
Walker Products FSK

Walker 235-91159 Engine Camshaft Position Sensor

Brand Walker 235-91159
Connector Gender Male
Mounting Bracket Included Yes
Product line Walker Products FSK
Fits Buick, Chevrolet, Pontiac, Saturn, and Oldsmobile · 47 vehicles

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

Engine sensor expertise. From a long-time maker of fuel system components and engine sensors.

Camshaft position sensor. A direct-fit engine management sensor for precise timing signals.

Cross-references Standard Ignition PC400, 5S1415 and 147-487 for the same application. See all 9.

$39.39Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
Free return shipping if it doesn't fit when you check fitment here first.
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
Step 2 — Quantity
Order total $39.39
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Walker Camshaft Position Sensor for GM Applications

Walker Products FSK 235-91159 is an engine camshaft position sensor built for select Buick, Chevrolet, Pontiac, Oldsmobile, and Saturn applications. It uses a male connector and includes a mounting bracket for a direct-fit replacement on listed vehicles.

Key Features

  • Engine camshaft position sensor for ignition and engine management systems
  • Male connector for the specified vehicle applications
  • Mounting bracket included for proper sensor placement
  • Walker Products FSK line for OE-style replacement coverage
  • Cross-references Standard Ignition PC400 for the same application

Product Details

Walker Products FSK 235-91159 is engineered for vehicles that rely on accurate camshaft position input for ignition timing and engine control. This sensor is listed for 2003-2007 Buick Rendezvous, 2005-2006 Buick Terraza, 2005 Buick Allure, 2003-2005 Buick Century, 2005-2006 Chevrolet Equinox, 2003-2006 Chevrolet Malibu, 2005-2006 Chevrolet Uplander, 2003-2005 Chevrolet Impala, 2003-2005 Chevrolet Monte Carlo, 2005-2006 Pontiac G6, 2003-2006 Pontiac Montana, 2006 Pontiac Torrent, 2005-2006 Saturn Relay, 2003-2005 Pontiac Aztek, 2003-2005 Pontiac Grand Am, 2003-2004 Oldsmobile Alero, 2003-2004 Oldsmobile Silhouette, and 2003 Pontiac Grand Prix. The Walker Products FSK 235-91159 part number is a useful reference when matching the correct sensor for these GM platforms.

What It Helps Fix

  • Camshaft position sensor fault codes
  • Hard starting or extended crank conditions
  • Rough idle or inconsistent engine operation
  • Intermittent stalling related to cam signal loss
  • Check engine light concerns tied to camshaft position input

Installation Notes and Tips

Verify the connector style, mounting location, and vehicle application before installation. Confirm the sensor matches the listed fitment for your Buick Rendezvous, Chevrolet Malibu, or Pontiac Grand Am application, and inspect the connector and harness for damage before replacing the part. The included mounting bracket supports proper positioning during installation.

Quality Assurance

Walker Products has supplied fuel system and engine management components since 1946 and manufactures to meet or exceed OEM standards and specifications. The company supports production with in-house engineering, product management, and technical documentation, and operates under ISO 9001/IATF16949 certification.

This part fits 47 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2007BuickRendezvous3.5LV6N/AWalker Products FSK
2006BuickRendezvous3.5LV6N/AWalker Products FSK
2006BuickTerraza3.5LV6N/AWalker Products FSK
2006ChevroletEquinox3.4LV6N/AWalker Products FSK
2006ChevroletMalibu3.5LV6N/AWalker Products FSK
2006ChevroletUplander3.5LV6N/AWalker Products FSK
2006PontiacG63.5LV6N/AWalker Products FSK
2006PontiacMontana3.5LV6N/AWalker Products FSK
2006PontiacTorrent3.4LV6N/AWalker Products FSK
2006SaturnRelay3.9LV6N/AWalker Products FSK
2006SaturnRelay3.5LV6N/AWalker Products FSK
2005BuickAllure3.6LV6N/AWalker Products FSK
2005BuickCentury3.1LV6N/AWalker Products FSK
2005BuickRendezvous3.4LV6N/AWalker Products FSK
2005BuickTerraza3.5LV6N/AWalker Products FSK
2005ChevroletEquinox3.4LV6N/AWalker Products FSK
2005ChevroletImpala3.4LV6N/AWalker Products FSK
2005ChevroletMalibu3.5LV6N/AWalker Products FSK
2005ChevroletMonte Carlo3.4LV6N/AWalker Products FSK
2005ChevroletUplander3.5LV6N/AWalker Products FSK
2005PontiacAztek3.4LV6N/AWalker Products FSK
2005PontiacG63.5LV6N/AWalker Products FSK
2005PontiacGrand Am3.4LV6N/AWalker Products FSK
2005PontiacMontana3.5LV6N/AWalker Products FSK
2005PontiacMontana3.4LV6N/AWalker Products FSK
2005SaturnRelay3.5LV6N/AWalker Products FSK
2004BuickCentury3.1LV6N/AWalker Products FSK
2004BuickRendezvous3.4LV6N/AWalker Products FSK
2004ChevroletImpala3.4LV6N/AWalker Products FSK
2004ChevroletMalibu3.5LV6N/AWalker Products FSK
2004ChevroletMonte Carlo3.4LV6N/AWalker Products FSK
2004OldsmobileAlero3.4LV6N/AWalker Products FSK
2004OldsmobileSilhouette3.4LV6N/AWalker Products FSK
2004PontiacAztek3.4LV6N/AWalker Products FSK
2004PontiacGrand Am3.4LV6N/AWalker Products FSK
2004PontiacMontana3.4LV6N/AWalker Products FSK
2003BuickCentury3.1LV6N/AWalker Products FSK
2003BuickRendezvous3.4LV6N/AWalker Products FSK
2003ChevroletImpala3.4LV6N/AWalker Products FSK
2003ChevroletMalibu3.1LV6N/AWalker Products FSK
2003ChevroletMonte Carlo3.4LV6N/AWalker Products FSK
2003OldsmobileAlero3.4LV6N/AWalker Products FSK
2003OldsmobileSilhouette3.4LV6N/AWalker Products FSK
2003PontiacAztek3.4LV6N/AWalker Products FSK
2003PontiacGrand Am3.4LV6N/AWalker Products FSK
2003PontiacGrand Prix3.1LV6N/AWalker Products FSK
2003PontiacMontana3.4LV6N/AWalker Products FSK
Directly replaces or cross-references 9 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Standard Ignition — PC4005S1415147-487213-15331474872131533CSS1576SU1495SU1495DG