4456006 Air Disc Brake Mechanism Repair Kit

What does a mechanism repair kit do?

This mechanism repair kit is a specialized service set designed to renew the internal force-transmission and automatic adjustment assembly inside air disc brake calipers. It provides a cost-effective solution for heavy commercial vehicles by allowing technicians to refresh the moving elements without replacing the entire caliper housing. The kit focuses on restoring the smooth sliding action and the precise mechanical movement required for effective braking.

Compatible vehicles and engines

This component is compatible with Renault Trucks, Iveco, PACCAR, and Bredamenarinibus vehicles. It serves as an equivalent solution for systems requiring precise mechanical calibration in the brake assembly. By replacing only the worn internal parts, workshop technicians can ensure the caliper maintains its automatic clearance adjustment even as brake pads wear down.

Installation and maintenance

For professional maintenance, it is essential to inspect the caliper housing for any signs of excessive wear or scoring before installing the new mechanism. The kit should be installed following standard heavy-duty service procedures to ensure all seals and bearings are correctly seated. Proper lubrication of the newly installed parts is critical to prevent premature wear of the internal components.

Troubleshooting braking mechanisms

When symptoms like uneven pad wear or delayed braking response occur, this kit helps restore optimal pneumatic force transmission to the pads.

OE cross-reference

4456006 (Mechanism Repair Kit) is the equivalent of the Bredamenarinibus, Iveco, Meritor, PACCAR and Renault Trucks OE numbers. This part directly replaces Bredamenarinibus OE number 192753. It also replaces Iveco OE number 42491950, Meritor OE number RBSK0502BM, PACCAR OE number FBU6782 and Renault Trucks OE number 5021203245.