Audi Q5 FY Front Wheel ABS Speed Sensor 4M0927803C

Audi Q5 FY Front Wheel ABS Speed Sensor is an original safety system component responsible for precise wheel speed measurement and integration with the ABS system. Thanks to the factory Audi design and specific axle fitment, this sensor ensures stable braking system performance and predictable vehicle behavior in emergency situations. It is a practical solution for users looking to restore proper ABS system functionality while maintaining high-quality parts.

Specifications and technical data

• SKU: 4M0927803C
• Mark: Audi
• Condition: Used
• OEM Part Number: 4M0927803C
• Substitutable numbers: 4M0927803C, 4M0 927 803 C
• Location on the vehicle: Front
• Category: ABS Speed Sensors

Function and role of the ABS speed sensor

The ABS speed sensor for the front wheel in the Audi Q5 FY is responsible for generating a wheel speed signal and transmitting it to the braking system controller. Based on this data, the ABS system can modulate pressure in the brake circuit, reducing slippage and improving vehicle handling during heavy braking. A properly functioning sensor contributes to:

• driving stability during sudden braking,
• effectiveness of the ABS system,
• operation of related systems, such as traction control or electronic stability control,
• absence of errors and warning lights on the instrument cluster.

Purpose and vehicle placement

The presented item belongs to the ABS speed sensor category and is designed for installation in the front of the vehicle. Placement on the front axle is important both for correct part selection and for proper routing of the cable and connectors in the wheel arch. Proper fitment for the specific Audi Q5 FY model allows for maintaining factory mounting geometry, which minimizes the risk of mechanical damage and signal interference.

Benefits of using an original Audi sensor

Using an original Audi ABS speed sensor offers a number of practical benefits. A component designed by the vehicle manufacturer is tailored to the characteristics of the braking system, which translates into consistent operation of all driver assistance systems. The most important advantages include:

• factory electrical and mechanical fitment – correct connectors, cable length, and mounting geometry,
• stable measurement signal, supporting proper ABS system operation,
• reduced risk of incompatibility often found with universal aftermarket replacements,
• easier diagnostics in the event of potential braking system faults.

Characteristics of the used component

The offered sensor is a used part, sourced from vehicle dismantling, which allows for an economical restoration of the ABS system while maintaining original Audi specifications. This type of solution is particularly beneficial for maintenance repairs where the priority is to combine reasonable costs with the preservation of the component's factory design. Before installation, it is recommended to perform a standard check of the electrical wiring and the vehicle socket to ensure proper contact and trouble-free operation of the system.

Selection and additional technical information

When selecting an ABS speed sensor for the Audi Q5 FY, it is crucial to pay attention to compatibility with the specific vehicle axle and the parameters specified by the manufacturer. It is worth using factory markings and reference numbers to avoid installation errors and ensure full compatibility with the car's electrical system. This allows the sensor to operate under optimal conditions, ensuring the ABS system maintains proper sensitivity and consistent performance.

If you are planning a comprehensive repair or upgrade of the braking zone in your Audi and need other components from the same group, such as additional sensors, signal cables, or installation mounts, check out the available parts in the Audi ABS speed sensor category.

To better assess when choosing a used component is technically and economically justified, it is worth reading our guide on automotive electronics: Second life for electronics – when is it worth choosing used engine controllers, comfort modules, and parking sensors?.