Collection: Truck Air Disc Brakes (0)

Air Disc Brakes for Commercial Vehicles

Air disc brakes are now standard on most modern European trucks and trailers, having largely replaced drum brakes on steer and drive axles over the past two decades. The system offers shorter stopping distances, more consistent braking performance and improved fade resistance compared to drum brakes, but it requires correct-specification replacement parts to maintain those performance characteristics. Truckstop stocks air disc brake components for trucks and trailers, including calipers, pads and related hardware.

Air Disc Brake Maintenance and Replacement

Air disc brake service involves regular pad inspection and replacement, caliper function checks and periodic caliper replacement where wear or corrosion has affected operation. The caliper on an air disc brake performs both the actuation and adjustment functions; a seized or incorrectly adjusted caliper can cause uneven pad wear, overheating and brake drag. Using OE-quality replacement calipers ensures correct adjuster function and pad contact.

What brake systems are covered by the parts in this range?

The range covers air disc brake components for Knorr-Bremse and Haldex systems, which are the most widely fitted disc brake platforms on European trucks and trailers. Parts are cross-referenced to vehicle make and model as well as brake system type. If you cannot identify the specific system fitted to your vehicle, the Truckstop trade team can assist with identification.

How do I know when air disc brake pads need replacing?

Air disc brake pads should be replaced when the friction material thickness reaches the minimum specified by the manufacturer, typically 2mm on the thinnest point. Most air disc brake calipers have a visual wear indicator accessible without wheel removal. Some trucks also have electronic pad wear indicators that illuminate a warning on the dashboard. Replace pads before they reach the minimum to avoid disc damage.

Are OE-quality air disc brake parts as reliable as genuine manufacturer parts?

Yes. OE-quality brake parts from established manufacturers such as Febi, Hella and TMD use the same friction material specification, caliper body dimensions and adjuster mechanism design as the genuine part. They are produced to the same quality standards and in many cases are manufactured in the same facilities as the genuine branded component. For fleet servicing, OE-quality parts offer equivalent performance at a competitive price.