Walker 235-91866 Engine Crankshaft Position Sensor

Walker Crankshaft Position Sensor for Porsche

Walker Full Service Kit crankshaft position sensor 235-91866 is built for precise engine speed and crank position input on select Porsche applications. It supports accurate ignition timing and fuel delivery control for 2012-2021 Porsche 911, Boxster, Cayman, 718 Boxster, and 718 Cayman models.

Key Features

• Engine crankshaft position sensor for ignition and engine management systems
• Black housing with 1 rectangular female connector
• 3 male terminals with spade terminal type
• 1 mounting hole for direct-fit installation
• Walker Full Service Kit product line for service-focused replacement
• Part number 235-91866 for catalog and fitment lookup

Product Details

Walker Products 235-91866 is an engine crankshaft position sensor engineered for accurate crankshaft signal reporting to the vehicle control system. On Porsche 911, Boxster, Cayman, 718 Boxster, and 718 Cayman applications, the sensor helps the engine computer maintain proper timing and fuel injection control by delivering a consistent position signal. The Full Service Kit line is positioned for service replacement needs where correct fitment, connector layout, and sensor response matter. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

Compatible Vehicles

• Fits 2017-2021 Porsche 718 Boxster, N/A
• Fits 2017-2021 Porsche 718 Cayman, N/A
• Fits 2012-2019 Porsche 911, N/A
• Fits 2013-2016 Porsche Boxster, N/A
• Fits 2014-2016 Porsche Cayman, N/A

Common Issues This Sensor Can Address

• Intermittent crankshaft position signal loss
• Hard starting caused by incorrect engine speed input
• Rough running from unstable ignition timing data
• Fuel injection control errors related to crank signal faults
• Check engine light conditions tied to crankshaft sensor failure

Installation Notes

Verify connector shape, terminal count, and mounting style before installation. Clean the mounting area, inspect the harness connector for corrosion or bent terminals, and confirm the sensor seats fully at the mounting point. After installation, clear diagnostic trouble codes and confirm stable engine operation with a scan tool.

Quality Assurance

Walker Products focuses on precision sensor design, durability, and resistance to electromagnetic interference for dependable engine signal performance. The 235-91866 is built to integrate cleanly with the engine management system on the listed Porsche applications.