Description

Overview

The caliper pinion shaft idler adjuster keeps the automatic adjustment system inside your disc brake caliper working smoothly. This caliper pinion shaft idler adjuster helps maintain correct pad to rotor clearance on heavy trailers and semi-trailers, so braking stays consistent over long service intervals. As a result, workshops can restore reliable caliper performance during rebuilds instead of relying on worn or sticking internal hardware.

Features

• Supports precise movement of the internal adjuster gear train on air disc brake calipers
• Helps keep running clearance between pads and rotor within the intended range
• Compact component that suits routine caliper overhaul and field repair work
• Suitable for a wide spread of European-style trailer disc brake calipers

Specifications and Materials

This caliper pinion shaft idler adjuster uses a hardened steel body with a protective surface treatment so it can cope with corrosion, moisture and road grime. The profile matches the original gear interface in the caliper, therefore it can engage cleanly with the existing mechanism when installed by a trained technician. Part number: FB2882. Additionally, the adjuster works as part of the internal gear set that advances in small steps as pads wear, which helps maintain a stable running clearance under repeated braking. For a deeper explanation of air disc brake components and adjuster layouts, refer to the manufacturer technical documentation

Compatibility and Fitment

This cross-reference listing means this part is a suitable replacement for the part numbers and applications shown. Some changes in installation may be required. All SB.., All SK.., All SN.., ADB22X, SL7 / SM7

Compliance and Safety

Correct function of the caliper pinion shaft idler adjuster plays a direct role in brake performance and safety. Therefore technicians should clean the caliper housing carefully, check the mating gear teeth and confirm free movement before final assembly. After fitting this caliper pinion shaft idler adjuster, always cycle the brake several times, then verify that pad clearance and travel sit within the caliper maker specifications. In addition, workshops should include the adjuster mechanism in regular inspections so they can catch any binding, abnormal noise or rapid pad wear early.

Trailer Applications

Fleet operators use this caliper pinion shaft idler adjuster when servicing trailers that run Knorr style air disc brake calipers across general freight, refrigerated, tanker and tipper work. In many cases, replacing internal adjuster hardware at the same time as pads and guides can reduce later downtime, because the mechanism starts its next service period with fresh, correctly matched parts. Furthermore, stocking a spare caliper pinion shaft idler adjuster in the workshop helps technicians complete rebuilds in one visit instead of waiting for small internal components.

Cross-reference and Suitability

This part cross-references to or suits the following equivalent part numbers and compatible alternatives:

Use this list as a guide only and always confirm caliper model, axle position and braking layout on the vehicle before final fitment.

Why Choose ICS Trailers

ICS Trailers focuses on practical braking components that make sense in real transport workshops, not just on paper. Our team selects caliper hardware so that parts are clearly described, straightforward to match and easy to order alongside pads, slide kits and actuators. For more disc brake hardware and related service parts, you can browse our dedicated category online at Browse Foundation Brakes at ICS Trailers