Walker 235-1890 Engine Crankshaft Position Sensor

Walker Crankshaft Position Sensor

Walker Products 235-1890 is an engine crankshaft position sensor built for precise crankshaft signal monitoring in select GM trucks and vans. It supports reliable engine timing input for 2016-2022 Chevrolet Colorado, 2017-2022 Chevrolet Express 2500, 2017-2022 Chevrolet Express 3500, 2016-2022 GMC Canyon, 2017-2022 GMC Savana 2500, and 2017-2022 GMC Savana 3500 applications.

Walker Products has supplied fuel system and engine management components since 1946, with manufacturing and engineering processes focused on OEM-level fit and specification control. Part number 235-1890 is part of the Walker Products engine sensor line for service replacement on modern GM applications.

Key Features

• Engine crankshaft position sensor for ignition and engine management service
• Direct-fit application coverage for select Chevrolet and GMC models
• Supports accurate crankshaft signal input for engine control systems
• Walker Products engineering and product management support
• Manufactured under ISO 9001/IATF16949 quality systems

Detailed Description

Walker Products 235-1890 is a crankshaft position sensor used to monitor crankshaft rotation and provide the engine control module with timing data. This signal is critical for ignition timing, fuel delivery, and overall engine operation. For technicians servicing a Chevrolet Colorado, GMC Canyon, or GM Express and Savana van platform, this sensor is a direct replacement option for the listed model years.

This part cross-references part number 55593759 for the same application. Walker Products 235-1890 is built for service on 2016-2022 Chevrolet Colorado, 2016-2022 GMC Canyon, 2017-2022 Chevrolet Express 2500, 2017-2022 Chevrolet Express 3500, 2017-2022 GMC Savana 2500, and 2017-2022 GMC Savana 3500.

What It Helps Fix

• Crankshaft signal loss or intermittent engine speed input
• Hard starting or extended crank conditions
• Stalling related to incorrect engine timing data
• Check engine light concerns tied to crank sensor faults
• Rough running caused by unstable crankshaft position readings

Installation Notes and Tips

Verify the vehicle year, make, model, and engine sensor location before installation. For 2018-2019 applications, the fitment notes indicate bolt inclusion in the catalog listing; 2020-2022 applications are listed as sensor only. Inspect the connector, wiring, and mounting surface for damage or contamination before replacing the sensor.

Quality Assurance

Walker Products manufactures engine sensors and fuel system components to meet or exceed OEM standards and specifications. The company supports production with in-house manufacturing, engineering, product management, and technical documentation processes, and operates under ISO 9001/IATF16949 certification.