4421004 Mechanism Repair Kit for Air Disc Brakes

What does a mechanism repair kit do?

This mechanism repair kit is designed to renew the internal force-transmission and automatic adjustment assembly inside air disc brake calipers on heavy commercial vehicles. By providing essential components to restore the caliper's ability to multiply thrust force and manage pad clearance, it allows for the renewal of the internal mechanism without the need to replace the entire caliper unit.

Vehicle and engine compatibility

The kit is compatible with a wide range of heavy commercial vehicles including Volvo, Iveco, Ford Trucks, PACCAR, Nissan Ud Truck, Van Hool, and Bredamenarinibus. It is also designed to work with systems from Meritor and ZF to ensure precise braking performance across various fleet applications.

Installation and maintenance

Technicians should inspect the internal mechanism during routine brake service to identify signs of wear. Proper installation ensures that the automatic clearance adjustment remains functional, maintaining consistent braking force. When replacing these components, ensure all surfaces are clean to prevent premature wear of the new sealing elements.

Troubleshooting and selection

Selecting a high-quality kit ensures that the caliper mechanism maintains its structural integrity under heavy-duty operating conditions. This component set is essential for maintaining safety and performance in demanding transport environments.

OE cross-reference

4421004 (Mechanism Repair Kit) is the equivalent of the Bredamenarinibus, Ford Trucks, Iveco, Meritor, Nissan Ud Truck, PACCAR, Van Hool, Volvo and ZF OE numbers. This part directly replaces Bredamenarinibus OE number 192733. It also replaces Ford Trucks OE numbers 82DB2296AA, 82DB2296AA, Iveco OE number 42480056, Meritor OE number 2258H580, Nissan Ud Truck OE number 69028410, PACCAR OE number Y03019410, Van Hool OE number 634321172, Volvo OE number 1695051 and ZF OE number 0501314950.