Brake wear sensors sold as a component of air disc brakes for vehicles; automotive heavy duty and air brake parts, namely, brake drums, brake shoes, brake linings, brake blocks; vehicle brake installation hardware kits consisting of brake pins, rollers, brake bushings and brake return springs, retainer clips, shear adjustment nuts and retainer bars sold as a unit; structural hardware parts of vehicle brakes, namely, brake slack adjusters, air chambers, spring brakes, steel wheels, brake disc ...