The Walker Products Engine Crankshaft Position Sensor Spacer (part number 235-1556) is a direct-fit replacement for 1990-2007 Cadillac, Chevrolet, GMC, and Isuzu vehicles with 5.7L, 4.3L, and 5.0L engines. Walker Products Crankshaft Position Sensor Spacers are OE Replacement components that ensure correct sensor-to-reluctor gap for reliable signal output and engine timing.
Features:
- Exact OE Fit: Designed to install directly between the sensor and engine block or bracket—no modification or trimming required.
- OE Replacement Fit & Function:Â Matches original thickness, diameter, and material to maintain OEM-specified sensor alignment.
- Ensures Accurate Sensor Gap:Â Provides proper spacing between the crankshaft sensor and tone ring for consistent signal generation.
- Prevents Timing Errors:Â Helps eliminate crankshaft position codes, misfires, and drivability issues caused by incorrect sensor air gap.
- Built for Heat & Vibration:Â Constructed from durable, heat-resistant materials to withstand harsh under-hood conditions.
Fits: 1990-2007 Cadillac, Chevrolet, GMC, Isuzu, and Oldsmobile models including Escalade, Astro, Blazer, C1500, C1500 Suburban, C2500, C2500 Suburban, C3500 and more — 5.7L, 4.3L, and 5.0L engines.
Confirm the year, make, model, and engine against your vehicle before ordering. Full application data is shown in the fitment lookup on this page.
Interchanges With: Wells SU12931, General Motors 12565102, Airtex 5S11478
WARNING: This product can expose you to chemicals, including lead, which is known to the State of California to cause cancer or birth defects or other reproductive harm.
