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ABS 30393 Wheel Speed Sensor
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ABS 30393 Wheel Speed Sensor
The ABS 30393 Wheel Speed Sensor is a high‑performance component designed to accurately monitor the rotational speed of each wheel in modern vehicles equipped with Anti‑Lock Braking Systems (ABS). By providing precise data to the vehicle’s electronic control unit, this sensor plays a critical role in maintaining traction and stability during braking.
Key Functionalities
- Accurate Wheel Speed Detection: Utilizes magnetic or Hall‑effect technology to generate a signal proportional to wheel rotation.
- Passive Operation: Requires no external power source; it draws energy from the vehicle’s electrical system, ensuring minimal impact on overall power consumption.
- Robust Signal Output: Delivers clean, noise‑reduced signals to the ABS controller, enhancing reliability under harsh driving conditions.
Technical Specifications
| Parameter | Description |
|---|---|
| Model Number | ABS 30393 |
| Sensor Type | Passive magnetic / Hall‑effect wheel speed sensor |
| Operating Voltage | 12–14 V DC (vehicle battery) |
| Signal Output | Square wave, frequency proportional to wheel speed |
| Temperature Range | -40 °C to +120 °C (typical automotive range) |
| Mounting Type | Standard bolt‑in or snap‑fit, compatible with most wheel hubs |
| Dimensions | Approximately 70 mm × 30 mm × 15 mm (varies slightly by manufacturer) |
| Weight | ~50 g |
Compatibility and Applications
The ABS 30393 sensor is engineered to fit a wide range of vehicle models, particularly those from major manufacturers such as BMW, Mercedes‑Benz, Audi, Volkswagen, and many others. It is commonly found in:
- Front and Rear Axles: Both front‑wheel drive (FWD) and rear‑wheel drive (RWD) configurations.
- SUVs and Crossovers: Models that require robust ABS performance for off‑road traction.
- Passenger Cars: Compact, mid‑size, and full‑size vehicles with integrated electronic stability control systems.
Installation Guidelines
- Safety First: Disconnect the vehicle’s battery to prevent accidental electrical discharge.
- Remove Existing Sensor: Loosen the mounting bolts or release the snap‑fit mechanism, then carefully detach the old sensor from the wheel hub.
- Prepare the New Sensor: Ensure that the sensor’s magnetic field aligns correctly with the wheel’s rotating element (usually a toothed rim or gear).
- Mount Securely: Attach the ABS 30393 sensor using the original mounting hardware, tightening to manufacturer specifications.
- Reconnect Power: Re‑attach the battery and verify that the vehicle’s diagnostic system recognizes the new sensor.
- Test Functionality: Perform a quick brake test to confirm that ABS activates correctly and no fault codes appear.
Benefits of Choosing ABS 30393
- Enhanced Safety: Reliable wheel speed data ensures optimal ABS performance, reducing the risk of skidding during emergency stops.
- Durability: Constructed from high‑grade materials that withstand vibration, heat, and corrosive environments typical in automotive applications.
- Ease of Replacement: Standardized design allows for quick swaps without specialized tools or extensive reprogramming.
- Consistent Performance: Maintains signal integrity across a wide range of speeds, from low‑speed maneuvering to high‑speed braking.
Maintenance Tips
Although the ABS 30393 sensor is designed for long‑term reliability, periodic checks can help preempt issues:
- Inspect wiring harnesses for fraying or corrosion.
- Verify that the sensor’s mounting surface remains clean and free of debris.
- Use a diagnostic scanner to confirm signal frequency matches expected wheel speed values.
Conclusion
The ABS 30393 Wheel Speed Sensor exemplifies precision engineering in automotive safety technology. Its passive design, robust construction, and universal compatibility make it an indispensable component for vehicles that rely on accurate wheel speed data to deliver safe, responsive braking performance.
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 19.98 EUR  22.38 EUR |
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| Identifiers | |
| Brand |  ABS All Brake Systems is a brake system manufacturer that produces high-quality brake systems for cars, trucks, and motorcycles. The company is known for its innovative products, excellent customer service, and competitive prices. |
| Model | ABS All Brake Systems 30393 |
| MPN | ABS All Brake Systems 30393 |
| ID | 7008722 |
| Dimensions / Weight | |
| Key Features | |
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