Ensure your semi is Ready for the Road Ahead™ with fast actuation of the disc brakes, with the Meritor LH Pin Mount Air Disc Brake Caliper. To assist in the compression of the disc brakes to slow down or stop a vehicle, this replacement tool houses the brake pads. Fashioned with rugged materials to withstand strong amounts of torque while enhancing overall brake performance. FleetPride is your First Click in Heavy Duty®.