New 10083924 rear/drive axle air disc brake rotor designed for heavy-duty commercial truck applications, including the Freightliner Cascadia. This flat 430 mm rotor is manufactured for accurate fitment, consistent brake pad contact and dependable braking performance under demanding operating conditions. The rotor features a 16 15/16″ (430 mm) diameter, 2 1/16″ (53 mm) depth, 1 3/4″ (45 mm) new thickness and 1 7/16″ (37 mm) discard thickness. It has a 6 9/16″ (167 mm) pilot, 7 7/8″ (200 mm) bolt circle and 10 mounting holes with 5/8″-18 threads. The ABS tone ring is bolt-on.