Bosch 0261210143 Engine Crankshaft Position Sensor

Bosch Crankshaft Position Sensor for Audi A8

The Bosch Engine Crank Angle Sensor (New), part number 0261210143, is an OE-quality crankshaft position sensor built for accurate engine speed and crank angle signal input. It is engineered with a robust design to improve temperature stability, extend operating temperature range, and reduce signal drift over the service life.

Compatible with 1997-1999 Audi A8 and 1997-1999 Audi A8 Quattro, this Bosch crankshaft position sensor supports reliable ignition timing and engine management performance. If you are searching for a Bosch 0261210143 replacement for an Audi A8 crankshaft sensor application, this part matches the listed fitment.

Key Features

• Bosch Engine Crank Angle Sensor (New) for ignition and sensor applications
• Part number 0261210143 for direct reference and catalog lookup
• OE-quality construction with a durable sensor housing
• Expanded temperature range for stable operation in demanding conditions
• Reduced signal drift over the service life for consistent engine data
• Fits 1997-1999 Audi A8 and 1997-1999 Audi A8 Quattro

Product Details

This Bosch crankshaft position sensor monitors crankshaft speed and position so the engine control system can manage ignition timing and fuel delivery accurately. The Bosch Engine Crank Angle Sensor (New) line focuses on robust sensor construction and stable output, which is important in vehicles that depend on precise crank signal input for smooth starting and consistent running behavior. For Audi A8 and Audi A8 Quattro models from 1997 through 1999, part number 0261210143 is the listed replacement.

This part cross-references Audi OE number 077905381E for the same application.

What It Helps Address

• Crankshaft signal loss or intermittent engine speed input
• Hard starting caused by inaccurate crank angle data
• Stalling related to unstable sensor output
• Rough idle from inconsistent ignition timing reference
• Check engine light conditions tied to crankshaft position sensor faults

Installation Notes and Tips

Verify the connector style and mounting location against the original sensor before installation. Clean the mounting area and inspect the wiring harness for heat damage, corrosion, or broken terminals that could affect signal quality. After installation, clear diagnostic trouble codes and confirm proper engine operation with a scan tool if available.

Quality Assurance

Bosch is known for OE-level sensor engineering, and the 0261210143 crankshaft position sensor is built with a durable design intended to maintain stable performance across a wider temperature range and throughout normal service life.