The brake caliper (also called brake application unit o. Brake caliper) encloses a brake disc and holds in the brake pads of a vehicle and brake piston to. When the brake is applied, the brake pads are pressed against the disc surface by the pistons – the vehicle brakes. External influences such as misalignment of the caliper or inoperative seals may increase the wear of a caliper and require replacement. Decisive for the correct use of a new caliper is the right model. Hansamobil offers replacement parts from numerous manufacturers, including DAF, IVECO, Mercedes, Scania, and MAN.