Bosch 026121030L Engine Crankshaft Position Sensor

Bosch Crankshaft Position Sensor for Porsche

The Bosch 026121030L engine crankshaft position sensor is a standard replacement part for select Porsche applications, including the 2017-2019 Porsche 911 and 2022-2025 Porsche 718 Boxster and 718 Cayman. It uses OE-quality construction to help maintain accurate crankshaft speed signal output in demanding engine conditions.

Key Features

• Bosch Engine Crankshaft Position Sensor, part number 026121030L
• OE-quality design with improved temperature shock stability
• Expanded operating temperature range for demanding engine environments
• Reduced signal drift over the service life of the sensor
• Rectangular connector with male connector and blade terminals
• 3-terminal, 1-connector standard replacement sensor
• Mounting hole quantity: 1

Product Details

Bosch’s Engine Crankshaft Position Sensor line focuses on accurate engine speed and crankshaft position signal delivery using robust sensor construction. This Bosch 026121030L is built as a standard replacement for Porsche models that require dependable crankshaft position input for engine management. It fits 2017-2019 Porsche 911, 2022-2025 Porsche 718 Boxster, and 2022-2025 Porsche 718 Cayman. This part cross-references Porsche 99160611200 for the same application.

Common Issues This Sensor Can Address

• Crankshaft position signal loss or intermittent signal faults
• Engine stalling related to inaccurate crankshaft speed input
• Hard starting caused by a failing crankshaft position sensor
• Check engine light concerns tied to crankshaft sensor performance
• Rough running or misfire symptoms linked to incorrect engine timing data

Installation Notes

Verify connector shape, terminal count, and mounting style before installation. This sensor uses a rectangular male connector with blade terminals and does not include a wiring harness, mounting bracket, or mounting hardware. Confirm the vehicle application by year, make, and model before ordering the Bosch 026121030L.

Quality Assurance

Bosch manufactures this crankshaft position sensor to OE-quality standards with a focus on temperature stability and long-term signal consistency. The design supports reliable operation across an enlarged temperature range while reducing drift during service life.