Delphi SS11021 Engine Crankshaft Position Sensor

Delphi SS11021 Crankshaft Position Sensor

The Delphi SS11021 engine crankshaft position sensor is built for precise engine speed and crank position signal input on select BMW applications. It combines a black and silver housing, a 3-terminal blade connection, and an included wiring harness for a direct-fit replacement on covered vehicles.

Key Features

• Engine crankshaft position sensor for ignition and engine management systems
• Black and silver sensor body
• 1 rectangular female connector with 3 male blade terminals
• Wiring harness included
• Package contents include the sensor and instruction sheet
• OE-focused engineering backed by Delphi’s long history supplying original equipment to major automakers

Detailed Description

Delphi SS11021 is an OE-style crankshaft position sensor engineered for accurate crankshaft signal reporting, which helps the engine control system manage timing and synchronization. Delphi draws on more than a century of OE experience, and that heritage is reflected in the design and application coverage of this replacement part. This part cross-references BMW 12 14 1 726 065 and SU5151 for the same application. Fits 1991-1995 BMW 525i, N/A; Fits 1992-1995 BMW 325i, N/A; Fits 1992-1995 BMW 325is, N/A; Fits 1995 BMW M3, N/A.

What It Helps Solve

• Intermittent no-start conditions caused by a failing crankshaft signal
• Rough running or stalling related to incorrect engine position data
• Misfire or timing issues tied to inconsistent crank sensor output
• Check engine light concerns associated with crankshaft position sensor faults
• Driveability problems on BMW 325i, 325is, 525i, and M3 applications

Installation Notes and Tips

Verify connector shape, terminal count, and harness routing before installation. Inspect the mating connector for corrosion, damaged terminals, or oil contamination, and confirm the sensor is seated securely in the original mounting location. Use the included instruction sheet during installation and clear any stored fault codes after replacement.

Quality Assurance

Delphi builds this replacement sensor using OE-based knowledge developed through decades of supplying parts to major automakers. The SS11021 is intended to meet the fitment and signal requirements of the listed BMW applications.