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T11-3550030AB
HongPro
T11-3550030AB
This professional-grade Wheel Speed Sensor is engineered to deliver exceptional accuracy and reliability for modern Anti-lock Braking (ABS) and stability control systems. It provides critical, real-time data on wheel rotation speed to the vehicle's ECU, ensuring optimal braking performance and traction control. Manufactured with a high-temperature resistant housing and a sealed connector, it is built to withstand harsh road conditions, vibration, and exposure to contaminants.
Constructed with a high-precision sensing element, it offers a rapid response time and minimal signal deviation for accurate system operation. Our production follows ISO 9001 quality standards, and each unit undergoes rigorous end-of-line testing to ensure a perfect fit and long-term performance, matching the OEM part in form, function, and durability. Check our catalog for specific vehicle compatibility.
Experience flawless integration with your vehicle's safety systems. Our T11-3550030AB sensor is engineered with a high-precision magnetic core and advanced digital signal processing. This technology ensures an exceptionally accurate and stable signal output with a deviation of less than 2%, which is critical for the reliable operation of the Anti-lock Braking System (ABS) and Electronic Stability Control (ESC). This precision eliminates false triggering and provides the vehicle's computer with the real-time data it needs to ensure passenger safety.
Built to withstand the harshest road conditions, this sensor features a high-temperature PPS (Polyphenylene Sulfide) housing, capable of continuous operation in temperatures from -40°C to +150°C. The connector is sealed to an IP67 rating, making it completely dust-tight and protected against temporary immersion in water. This robust construction guarantees superior resistance to moisture, road salt, vibration, and impact, significantly outperforming generic alternatives and providing a reliable service life.
Trust in a product built to the highest standards. Every T11-3550030AB Wheel Speed Sensor is manufactured in our ISO 9001:2015 certified facility. We implement a 100% end-of-line testing protocol, where each unit is validated for signal accuracy, electrical continuity, and sealing integrity. This commitment to quality ensures that our sensor is a perfect OEM replacement, matching the original part in dimensions, electrical characteristics, and performance, guaranteeing a hassle-free installation and perfect fit.
A common point of failure in wheel speed sensors is compromised wiring and connectors. Our sensor is equipped with a high-density, high-voltage PVC cable and a gold-plated terminal within the connector. This design provides excellent resistance to abrasion, ozone, and electrical corrosion. The positive-lock connector seal ensures a secure, moisture-proof connection every time, delivering a stable signal and preventing system failures caused by environmental factors.
| Parameter | Specification | Notes / Standard |
| Part Number | T11-3550030AB | - |
| Product Type | Active Wheel Speed Sensor | Hall-effect type |
| Operating Voltage | 4.5V ~ 20V DC | Compatible with standard vehicle ECU voltage ranges. |
| Output Signal | Digital Square Wave | Provides a stable, clean signal for accurate ECU interpretation. |
| Operating Temperature | -40°C to +150°C | Ensures reliable performance in extreme climates. |
| Storage Temperature | -40°C to +85°C | - |
| Protection Rating | IP67 | Dust-tight and protected against temporary immersion in water (up to 1m for 30 minutes). |
| Housing Material | Polyphenylene Sulfide (PPS) | High-temperature, chemical, and corrosion-resistant thermoplastic. |
| Sealing Material | Fluorosilicone Rubber (FVMQ) | Superior resistance to fuels, oils, and high temperatures. |
| Cable Length | 450mm ± 10mm | Standard length for optimal routing and installation. |
| Connector Type | 2-Pin, OEM-Style | Ensures a perfect, secure, and waterproof connection. |
| Terminal Plating | Gold Plating | Ensures minimal resistance and prevents corrosion for long-term signal integrity. |
| Quality Standards | ISO 9001:2015, IATF 16949 | Manufactured in a certified facility, adhering to international automotive quality standards. |
| Testing | 100% End-of-Line Functional Test | Every unit is tested for signal output, electrical function, and short circuits. |
Here are specific application scenarios of Wheel Speed Sensor:
This sensor is fundamental to the ABS. It continuously monitors the rotational speed of each wheel. During hard braking or on slippery surfaces, if the system detects a wheel is about to lock up (sudden speed drop), it uses the sensor's data to modulate brake pressure. This prevents wheel lockup, allowing the driver to maintain steering control and significantly reducing stopping distances, especially on wet or icy roads.
Modern stability and traction control systems rely heavily on data from the wheel speed sensors. By comparing the speed of all four wheels and the vehicle's intended direction, the ECU can detect loss of traction or a skid. If a drive wheel spins faster than others (indicating slip), the system can apply brakes or reduce engine power to that wheel, restoring grip and keeping the vehicle stable during acceleration or cornering.
The precise data from this sensor is a critical input for many ADAS features. Systems like Hill Descent Control (HDC) and Electronic Brakeforce Distribution (EBD) use real-time wheel speed information to function correctly. It provides the vehicle's core speed reference, which is essential for the integrated operation of these advanced safety and convenience systems, ensuring they respond appropriately to dynamic driving conditions.
The sensor's data is not used in isolation. It is fed into the vehicle's central computer, which cross-references it with inputs from the steering angle sensor, yaw rate sensor, and others. This integrated network creates a comprehensive understanding of the vehicle's dynamics, allowing for proactive and coordinated interventions from various systems to enhance overall safety, stability, and driver confidence.
Locate & Remove: Safely lift the vehicle and remove the wheel for access. Locate the faulty sensor, typically mounted on the wheel hub or steering knuckle. Disconnect the electrical connector and remove the mounting bolt to extract the old sensor.
Install & Connect: Thoroughly clean the sensor mounting hole to ensure a flush fit. Install the new T11-3550030AB sensor, securing it with the specified torque. Reconnect the electrical connector until it clicks, ensuring a sealed and secure connection.
Final Check: Reinstall the wheel and lower the vehicle. Reconnect the battery. For most models, a short test drive will allow the system to self-calibrate. If an ABS warning light persists, use an OBD-II scanner to clear the fault code.
