Spectra S10525 Engine Crankshaft Position Sensor

Spectra S10525 Crankshaft Position Sensor

The Spectra S10525 engine crankshaft position sensor monitors crankshaft speed and position to support ignition timing and engine RPM signal accuracy. It is a direct-fit replacement for select GM and Saab applications, including Buick LaCrosse, Cadillac CTS, and Saab 9-3 models.

Key Features

• Engine crankshaft position sensor for ignition timing and RPM monitoring
• Helps eliminate the need for manual distributor timing
• Direct replacement for select 2004-2010 vehicles
• Cross-references Standard Ignition PC501 for the same application
• Part number: S10525

Detailed Description

Built for vehicles that rely on electronic engine management, the Spectra S10525 reads crankshaft position data used by the ignition system and engine control module. This sensor supports accurate timing input and engine speed feedback, making it a practical replacement for worn or failing original equipment on applications such as 2004-2007 Cadillac CTS, 2005-2008 Buick LaCrosse, and 2006-2010 Saab 9-3. The S10525 is also listed for 2004-2006 Buick Rendezvous, 2004-2007 Cadillac SRX, 2005-2007 Cadillac STS, and 2005-2008 Buick Allure.

What It Helps Fix

• Hard starting caused by an inaccurate crankshaft signal
• Intermittent stalling related to sensor signal loss
• Rough running from incorrect ignition timing input
• Check engine light conditions tied to crankshaft position faults
• Unstable engine RPM readings

Installation Notes and Tips

Verify the connector style and sensor location against the original part before installation. Confirm vehicle year, make, and model match the listed fitment for the Spectra S10525, especially on Buick LaCrosse, Cadillac CTS, and Saab 9-3 applications. Clear diagnostic trouble codes after installation and confirm stable engine speed data during a road test.

Quality Assurance

Spectra manufactures this crankshaft position sensor as an OE-style replacement for listed applications. The part is identified by part number S10525 and cross-references Standard Ignition PC501 for the same application.