ABS rings for Audi A8
Find the right ABS ring for your Audi A8 in our range covering an extensive selection of model years and specifications. To ensure you select a sensor ring matching your car's exact...
Products for ABS rings for Audi A8
- Position: Front
- ABS teeth: 45
- Inner diameter: 77 mm
- Outer diameter: 81 mm
- Width: 11 mm
- Position: Front
- ABS teeth: 45
- Inner diameter: 77 mm
- Outer diameter: 81 mm
- Width: 11 mm
- Position: Front
- ABS teeth: 45
- Inner diameter: 77 mm
- Outer diameter: 81 mm
- Width: 11 mm
- Position: Front
- ABS teeth: 45
- Inner diameter: 77 mm
- Outer diameter: 81 mm
- Width: 11 mm
- Position: Front
- ABS teeth: 45
- Inner diameter: 77 mm
- Outer diameter: 81 mm
- Width: 11 mm
- Position: Front
- ABS teeth: 45
- Inner diameter: 77 mm
- Outer diameter: 81 mm
- Width: 11 mm
ABS rings for Audi A8
Maintaining an Audi A8 requires components of the highest quality, especially when it comes to safety systems such as ABS. An ABS ring, also known as a reluctor ring or pulse wheel, is a critical part of the car's anti-lock braking system. On a technologically advanced car like the Audi A8, the precision of these parts is vital for the car's electronic stability control and brake assist systems to work optimally. We have assembled a wide range of rings tailored for the various drive shafts and CV joints fitted across this model range. By focusing on the correct fitment, we reduce the risk of incorrect assembly and future sensor issues within your car's sensitive electronics.
What does an ABS ring do on an Audi A8?
The ABS ring on your Audi A8 is mounted on the CV joint and rotates in time with the wheel. Its primary job is to provide the ABS sensor with a magnetic pulse or interrupt pattern corresponding to the precise rotational speed of the wheel. The car's control unit analyses this data in real time to detect whether a wheel is about to lock up during braking. For a heavy and powerful car like the Audi A8, this system is fundamental to maintaining steering control during hard braking or on slippery surfaces. Without an intact ring, the system cannot read the speed correctly, causing safety features to deactivate immediately to prevent erratic interventions.
Common signs of wear
The most common problem with an ABS ring on the Audi A8 is corrosion, which causes the ring to crack or swell. Because the ring is often mounted on an outer CV joint, it is constantly exposed to road salt, moisture and dirt. Typical symptoms include the ABS warning light illuminating on the dashboard, or experiencing a "pulsing" brake pedal at low speeds even on dry tarmac. In some cases, a cracked ring can also trigger fault codes related to the traction control system (ESP/ASR). If you hear a faint scraping sound from the wheel arch, it may also indicate that the ring has loosened from its seat or distorted due to rust building up underneath.
How to choose the right ABS ring
To choose the correct part for your Audi A8, you need to check several technical parameters carefully. The most important factors are the tooth count—the number of teeth on the ring—and the inner diameter, as these vary depending on the engine option and whether the car is equipped with Quattro all-wheel drive. As we stock 22 different variants, the safest way is to select your vehicle by make, model and engine. This filters out the parts that are technically compatible with your specific model year and chassis code. Also verify whether the ring is intended for the front or rear axle, as dimensions frequently differ on luxury saloons like the A8 to handle different torque levels and loads.
Related parts to check
Feel free to check these exact pages for the same vehicle when working on the ABS ring:
When one drivetrain component shows wear, adjacent parts on the same car often require inspection as well. Comparing these exact pages for the Audi A8 makes it easier to determine whether the fault lies strictly with the ABS ring or another nearby drivetrain part.
This is particularly relevant on models where vibrations, play and strange noises can transfer symptoms between several components in the driveline. A quick check of related categories reduces the risk of replacing the right type of part while overlooking an adjacent component that contributes to the same issue.
Why buy from CVJoint24?
CVJoint24 is the international shop of a Swedish driveline specialist, offering an extensive range for the Audi A8. We understand the technical demands of power transmission in the premium segment and only supply components that meet high standards of fitment and durability. With our expertise in this field, we ensure that the 22 ABS ring products we list match the correct specifications for your car. Combining specialist know-how with an easy-to-use search by make, model and engine, we make it straightforward for both DIY mechanics and professional garages to find the right car parts quickly and reliably. We focus on delivering the right part the first time so your Audi A8 is quickly back on the road in complete safety.
Frequently asked questions about ABS rings for Audi A8
How do I know if the ABS ring on my Audi A8 is faulty?
The most common symptoms are an ABS warning light that stays on continuously or the brake pedal pulsating during light braking on dry tarmac. A visual inspection will often reveal whether the ring has cracked or is heavily corroded by rust.
Can I replace just the ABS ring, or do I need to replace the entire CV joint?
On most Audi A8 models, you can easily replace just the ABS ring provided the CV joint itself is otherwise in good condition. This is a cost-effective solution that fully restores the system's function.
Why do ABS rings crack on the Audi A8?
This is usually caused by corrosion building up on the CV joint beneath the ring. As the rust expands, it exerts outward pressure from underneath, which eventually causes the steel ring to split and disrupts the spacing between the teeth.
Do I need to recode the car after replacing an ABS ring?
No, no coding or reprogramming is required when replacing a mechanical ABS ring. However, you may need to clear any stored fault codes from the car's ECU to turn the warning light off completely.
Does the same ABS ring fit every Audi A8 model?
No, there are several different designs depending on the model year, engine size and whether the car is equipped with Quattro. Always filter by make, model and engine to find the exact tooth count and diameter for your car.