37.52 EUR
Bosch 0986594544 Wheel Speed Sensor
Bosch 0986594544 Wheel Speed Sensor Bosch Sports Steering Wheels
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Bosch 0986594544 Wheel Speed Sensor
The Bosch 0986594544 Wheel Speed Sensor is a precision-engineered component designed to monitor the rotational speed of a vehicle’s wheels. This sensor plays a pivotal role in modern automotive safety systems, particularly in Anti-lock Braking Systems (ABS), Electronic Stability Control (ESC), and traction control modules. By delivering accurate wheel velocity data to the vehicle’s electronic control unit (ECU), it ensures optimal braking performance, prevents wheel lock-up during emergency stops, and enhances overall vehicle stability.
Key Functionalities
- Accurate Wheel Speed Measurement: Utilizes a magnetic Hall-effect or inductive principle to detect the rotation of the wheel’s gear teeth, converting mechanical motion into an electrical signal proportional to speed.
- Real-Time Data Transmission: Sends instantaneous speed data via a high-reliability CAN bus interface to the ECU for immediate processing.
- Robust Operating Range: Capable of operating across a wide spectrum of temperatures, vibrations, and electrical noise typical in automotive environments.
- High Signal Integrity: Features built-in filtering and shielding to minimize false readings caused by electromagnetic interference (EMI).
Technical Specifications
| Parameter | Description |
|---|---|
| Model Number | 0986594544 |
| Type | Wheel Speed Sensor (ABS) |
| Operating Principle | Inductive / Hall-Effect |
| Signal Type | Digital Pulse Output |
| Voltage Supply | 12–14 V DC |
| Current Consumption | ≤ 50 mA (typical) |
| Output Frequency Range | 0 – 2000 Hz (depending on wheel speed) |
| Temperature Range | -40°C to +120°C |
| Dimensions | Approx. 70 mm × 45 mm × 30 mm |
| Mounting Type | Standard bolt‑on with integrated cable connector |
| Compatibility | Designed for front axle wheel speed applications in a wide range of Mercedes-Benz models (e.g., C-Class, W203, S203) and other vehicles requiring high-precision ABS input. |
Installation Overview
The sensor is engineered for straightforward installation. The process typically involves:
- Removal of the existing wheel speed sensor or mounting bracket.
- Alignment of the sensor’s magnetic core with the gear teeth on the wheel hub.
- Secure fastening using the supplied bolts and torque specifications.
- Connection of the sensor cable to the vehicle’s ECU or dedicated ABS module.
- Verification of signal integrity through diagnostic tools (e.g., scan tool, oscilloscope).
Performance Highlights
- Enhanced Braking Efficiency: By providing precise wheel speed data, the sensor enables the ABS to modulate brake pressure accurately, reducing stopping distances on slippery surfaces.
- Improved Vehicle Stability: Accurate speed feedback allows ESC systems to detect and correct oversteer or understeer conditions in real time.
- Long-Term Reliability: Bosch’s rigorous quality control ensures that the sensor maintains performance over thousands of operating hours, even under harsh environmental conditions.
Compatibility with Mercedes-Benz Models
The 0986594544 sensor is specifically engineered to fit front axle wheel speed applications in a variety of Mercedes-Benz vehicles. Notable models include:
- C-Class (W203, S203) – both sedan and coupe variants.
- Mercedes-Benz C-Class T-Model and other high-performance trims.
- Other OEM platforms that utilize the Bosch WS544 sensor architecture.
Its design aligns with the original equipment specifications (OE), ensuring seamless integration without the need for additional adapters or modifications.
Quality Assurance & Compliance
- ISO/TS 16949: Adheres to automotive quality management standards.
- EMC Compliance: Meets stringent electromagnetic compatibility requirements for automotive electronics.
- Environmental Standards: Rated for operation in extreme temperatures and humidity levels typical of global markets.
Maintenance & Troubleshooting Tips
- Regular Inspection: Check the sensor’s mounting bolts and cable integrity during routine maintenance intervals.
- Signal Verification: Use a diagnostic scan tool to confirm pulse frequency matches expected wheel speed ranges.
- Common Issues: A sudden loss of signal or erratic pulses may indicate a damaged sensor, loose wiring, or contamination on the gear teeth. Clean the hub surface and ensure proper alignment before replacement.
Conclusion
The Bosch 0986594544 Wheel Speed Sensor exemplifies engineering excellence in automotive safety technology. Its precise speed detection, robust construction, and proven compatibility with a broad spectrum of Mercedes-Benz vehicles make it an indispensable component for maintaining optimal braking performance and vehicle stability. Whether installed as a new OEM part or replacing a worn sensor, this component delivers reliable data that keeps drivers safe on every journey.
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| Brand |  Bosch is a brand of power tools and appliances. The company was founded in 1886 and produces a wide range of power tools, appliances, and accessories. Bosch tools are known for their quality and durability, and the company is a leader in innovation and design. |
| Model | Bosch 0986594544 |
| MPN | Bosch 0986594544 |
| ID | 8277192 |
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