Audi A4 B7 Wheel ABS Speed Sensor Front Left Right N/O/S 8E0927803B

Audi A4 B7 Wheel ABS Speed Sensor Front Left Right is a precision brake system component responsible for reliable rotational speed readings of the front wheels. Thanks to its factory design for the Audi brand, it ensures operational consistency with the ABS system and stable performance of electronic safety systems. This used component allows for a technically correct and cost-effective repair of the front axle.

Specifications and technical data

• SKU: 8E0927803B
• Mark: Audi
• Condition: Used
• OEM Part Number: 8E0927803B
• Substitutable numbers: 8E0927803B, 8E0 927 803 B
• Location on the vehicle: Front, Left, Right
• Category: ABS Speed Sensors

Purpose and function in the brake system

The presented item from the ABS speed sensor category is designed for installation on the front axle of the vehicle, on either the left or right side. It is responsible for generating a wheel speed signal, which the ABS controller uses to monitor pressure in the brake system, preventing wheel lock-up during braking.

A properly functioning ABS sensor contributes to:

• vehicle stability during emergency braking,
• the operation of driver assistance systems based on the wheel speed signal,
• even distribution of braking force between the front wheels.

Compatibility and vehicle placement

The sensor has been designed for use on the front axle, with the possibility of installation on both the left and right sides. This solution facilitates part selection during ABS system maintenance and reduces the risk of errors when ordering the component.

Thanks to the use of dedicated mounting geometry and a properly matched electrical connector, the sensor works with the vehicle's factory wiring harness, which promotes trouble-free replacement and ensures correct cable routing in the wheel arch.

Characteristics of the used component

The offered sensor is a used component, which allows for reduced repair costs while maintaining compliance with the manufacturer's original specifications. This type of solution is particularly beneficial when servicing older Audi A4 B7 models, where both correct operation and a rational repair budget are important.

Choosing a used ABS sensor makes sense especially when you want to maintain the original design of the system without resorting to replacements with uncertain electrical and mechanical parameters.

Benefits of using a dedicated ABS sensor

Using the correct ABS sensor on the front axle translates into a number of practical benefits:

• operational consistency with the factory brake system controller,
• reduced risk of ABS errors and warning lights on the instrument cluster,
• maintaining predictable vehicle behavior during emergency braking,
• the ability to replace a single element without interfering with other system components.

For workshops and individual users, this means faster diagnostics, simpler installation, and greater confidence that the ABS system will operate in a repeatable manner consistent with the manufacturer's specifications.

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

Expert support when choosing a used sensor

When selecting a used ABS sensor, it is crucial to pay attention to the compatibility of markings as well as electrical and mechanical parameters to avoid compatibility issues. It is also worth considering the cable routing method, connector type, and the intended axle and side of the vehicle.

If you want to better understand what to look for when choosing used electronics and measuring equipment for your car, check out our guide: Used automotive electronics on board – why is it worth choosing second-hand ECU modules and sensors?