Walker
Walker Products

Walker 235-1623 Engine Camshaft Position Sensor

Brand Walker 235-1623
Product line Walker Products
Fits Saturn and Chevrolet · 3 vehicles

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

Engine sensor expertise. From a long-time maker of fuel system and engine management parts.

Cross-references ACI 81250, Carlson 19104 and Dorman - HELP 79337 for the same application. See all 29.

$45.75Free 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 $45.75
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Engine Camshaft Position Sensor for Saturn Astra

Walker Products 235-1623 is an engine camshaft position sensor built for direct-fit replacement in select Saturn Astra and Chevrolet Astra applications. It supports accurate camshaft signal input for proper engine management and is backed by Walker Products’ long history in fuel system and engine sensor manufacturing.

  • Engine camshaft position sensor for select 2008-2009 Saturn Astra applications
  • Also fits 2008 Chevrolet Astra
  • Walker Products 235-1623 replacement part number
  • Manufactured to meet or exceed OEM standards and specifications
  • Supported by Walker Products engineering, product management, and technical resources

Walker Products Sensor Line

Walker Products has supplied automotive fuel system and engine management components since 1946. The Walker Products line includes cam and crank sensors, throttle position sensors, oxygen sensors, fuel injectors, spark plug wires, gaskets, and repair kits, with production backed by ISO 9001/IATF16949 certification and in-house manufacturing oversight.

Fitment Details

Fits 2008-2009 Saturn Astra, N/A. Fits 2008 Chevrolet Astra, N/A.

This part cross-references Standard Ignition PC815 for the same application.

Common Replacement Reasons

  • Check engine light related to camshaft position sensor signal
  • Hard starting or extended crank conditions
  • Rough idle or intermittent stalling
  • Engine misfire or timing-related drivability concerns
  • Loss of synchronization between camshaft and engine control data

Installation Notes

Verify the connector style, mounting location, and OE part match before installation. Clear diagnostic trouble codes after replacement and confirm proper sensor signal with a scan tool if required. Use the vehicle service information for the exact removal and installation procedure.

Quality Assurance

Walker Products manufactures engine sensors to meet or exceed OEM standards and specifications. The company’s ISO 9001/IATF16949 certification supports consistent production control, application accuracy, and technical support for aftermarket replacement parts.

This part fits 3 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2009SaturnAstra1.8LL4N/AWalker Products
2008ChevroletAstra1.8LL4N/AWalker Products
2008SaturnAstra1.8LL4N/AWalker Products
Directly replaces or cross-references 29 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
ACI — 81250Carlson — 19104Dorman - HELP — 79337Dorman - HELP — 83364HOLSTEIN — 2CAM0315Monroe Shocks & Struts — 40055Spectra Premium — S10511Standard Ignition — PC8151CS2535S118946PU0091219119.04890488742796350207418550574550574A90311675174272519220555352609CHN3V251CSS1315CSS1815EC0047SU13347V40720446XREV273