Walker 235-91019 Engine Crankshaft Position Sensor

Walker Products FSK Crankshaft Position Sensor

Walker Products FSK 235-91019 is an engine crankshaft position sensor built for direct replacement service on a wide range of GM vehicles. It is designed with a black housing, one male connector, two mounting holes, and an included mounting bracket for a secure fit in the original location.

Compatible With Buick LeSabre, Park Avenue, Regal, Riviera, Allure, LaCrosse, Lucerne; Chevrolet Impala, Monte Carlo, Camaro, Lumina, Lumina Van, Lumina APV; Pontiac Grand Prix, Bonneville, Firebird, Trans Sport; and selected Oldsmobile applications across 1993-2009 model years.

Key Features

• Engine crankshaft position sensor for ignition and engine management service
• Walker Products FSK line engineered to meet or exceed OEM standards and specifications
• Black finish with 1 male connector for OE-style electrical connection
• 2 mounting holes for proper sensor retention
• Mounting bracket included for application-specific installation
• Backed by Walker Products engineering, product management, and technical support resources

Product Details

Walker Products has supplied fuel system and engine management components since 1946 and manufactures sensors for the automotive aftermarket with a focus on OE-level fit and accuracy. The FSK product line covers engine management needs such as cam and crankshaft sensors, throttle position sensors, oxygen sensors, fuel injectors, and related components. Part number 235-91019 is a crankshaft position sensor used to monitor crankshaft rotation data for the engine control system on compatible Buick, Chevrolet, Pontiac, and Oldsmobile vehicles.

This part cross-references Standard Ignition PC30 and Spectra Premium S10145 for the same application.

What It Helps Fix

• Crankshaft position sensor fault codes
• Hard starting or no-start conditions tied to crank signal loss
• Intermittent stalling or engine cut-out concerns
• Rough running caused by inaccurate crankshaft speed data
• Ignition timing and engine synchronization issues

Installation Notes and Tips

Confirm connector style, mounting points, and vehicle application before installation. Clean the mounting surface and inspect the harness connector for corrosion or damaged terminals before connecting the new sensor. Use the included bracket where required by the application, and verify proper sensor seating after installation. For best results, clear any stored diagnostic trouble codes and confirm normal engine operation after replacement.

Quality Assurance

Walker Products manufactures engine sensors to meet or exceed OEM standards and specifications. The company supports production with in-house manufacturing, engineering, product management, application data, instruction sheets, and technical support. Walker Products is ISO 9001 and IATF 16949 certified.