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Spectra S10541 Engine Camshaft Position Sensor
| Brand | Spectra S10541 |
|---|---|
| Fits | Chevrolet and GMC · 14 vehicles |
Camshaft position sensor. Helps synchronize fuel injector and coil firing sequence.
Ignition timing sensor. Supports precise distributor and ignition timing control.
Cross-references Standard Ignition PC949, 2351547 and 12572657 for the same application. See all 5.
Will it fit your vehicle?
Free return shipping if it doesn't fit.
Spectra S10541 Camshaft Position Sensor
The Spectra S10541 is an engine camshaft position sensor that helps the ignition system identify camshaft position for accurate cylinder synchronization. It is a direct-fit replacement for select GM trucks and vans, including Chevrolet Avalanche 2500, Silverado 3500, Suburban 2500, and GMC Sierra 2500 HD applications.
- Engine camshaft position sensor for ignition timing and cylinder synchronization
- Supports proper fuel injector and coil firing sequence control
- Direct replacement for select 2002-2003 Chevrolet and GMC applications
- Cross-reference part numbers include Standard Ignition PC949 and 2351547
- Part number: S10541
How This Sensor Works
The camshaft position sensor reports camshaft position data to the engine management system so the vehicle can determine which cylinder is firing. On the listed Chevrolet and GMC applications, that input works with the crankshaft signal to help maintain correct ignition timing and synchronized engine operation. This Spectra S10541 camshaft position sensor is a fitment-based replacement for 2002-2003 Chevrolet Avalanche 2500, Silverado 3500, Suburban 2500, GMC Sierra 2500 HD, Sierra 3500, and Yukon XL 2500, plus 2002 Chevrolet Express 3500 and GMC Savana 3500.
Common Issues It May Address
- Hard starting or extended crank conditions
- Intermittent stalling or rough running
- Check engine light related to camshaft position signal faults
- Misfire or synchronization concerns tied to sensor input
- Ignition timing irregularities on the listed GM platforms
Installation Notes
Verify the connector style and engine application before installation. Confirm the part number S10541 against the vehicle’s service information and inspect related wiring, connectors, and mounting surfaces for damage or contamination. After installation, clear diagnostic trouble codes and confirm proper sensor signal operation with a scan tool if required.
Quality Assurance
Spectra manufactures this sensor as an OE-style replacement for the listed GM fitments, with application coverage focused on ignition and engine management accuracy. Confirmed interchange references include Standard Ignition PC949 and 2351547 for the same application.
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2003 | Chevrolet | Avalanche 2500 | — | — | N/A | — |
| 2003 | Chevrolet | Silverado 3500 | 8.1L | V8 | N/A | — |
| 2003 | Chevrolet | Suburban 2500 | 8.1L | V8 | N/A | — |
| 2003 | GMC | Sierra 2500 HD | 8.1L | V8 | N/A | — |
| 2003 | GMC | Sierra 3500 | 8.1L | V8 | N/A | — |
| 2003 | GMC | Yukon XL 2500 | 8.1L | V8 | N/A | — |
| 2002 | Chevrolet | Avalanche 2500 | — | — | N/A | — |
| 2002 | Chevrolet | Express 3500 | 8.1L | V8 | N/A | — |
| 2002 | Chevrolet | Silverado 3500 | 8.1L | V8 | N/A | — |
| 2002 | Chevrolet | Suburban 2500 | 8.1L | V8 | N/A | — |
| 2002 | GMC | Savana 3500 | 8.1L | V8 | N/A | — |
| 2002 | GMC | Sierra 2500 HD | 8.1L | V8 | N/A | — |
| 2002 | GMC | Sierra 3500 | 8.1L | V8 | N/A | — |
| 2002 | GMC | Yukon XL 2500 | 8.1L | V8 | N/A | — |
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