Walker 235-2121 Engine Camshaft Position Sensor

Walker 235-2121 Camshaft Position Sensor

Walker 235-2121 is an engine camshaft position sensor for select Porsche applications. It is built for accurate cam signal reporting to support proper engine management on 2014-2017 Porsche 911 models, including cylinder positions 1, 2, and 3. This Walker Products sensor is a direct-fit service part for owners and technicians replacing a failed cam sensor on the Porsche 911.

Key Features

• Engine camshaft position sensor for ignition and engine management systems
• Fits 2014-2017 Porsche 911, N/A position
• Application coverage for cylinder(s) 1, 2, and 3
• Walker Products part number 235-2121
• OE-style replacement for select Porsche 911 cam sensor service

Product Details

Walker Products has supplied fuel system and engine sensor components since 1946, with manufacturing and engineering support focused on meeting or exceeding OEM standards and specifications. The 235-2121 camshaft position sensor is part of Walker Products’ engine management lineup, which includes cam and crankshaft sensors, throttle position sensors, oxygen sensors, fuel injectors, spark plug wires, and related components. For Porsche 911 service, this sensor helps maintain the camshaft signal needed by the engine control system for accurate timing and synchronization.

This part cross-references Porsche 991 606 106 10 and 0232103152 for the same application.

Common Issues This Part May Resolve

• Camshaft position sensor fault codes
• Hard starting or extended crank conditions
• Rough idle or intermittent stalling
• Misfire or timing-related drivability concerns
• Loss of cam signal input to the engine control module

Installation Notes and Tips

Fits 2014-2017 Porsche 911, N/A. Verify the original sensor location and connector style before installation, and confirm the vehicle’s engine code and cylinder application match the listed fitment. Clear diagnostic trouble codes after replacement and recheck for stored faults during a road test.

Quality Assurance

Walker Products is an ISO 9001/IATF 16949 certified manufacturer with in-house manufacturing, product management, and engineering support. The company states that its parts are produced to meet or exceed OEM standards and specifications, with technical documentation and application support maintained for accuracy.