Skeleton Radial Shaft Oil Seal 168*188/190*30/32 Heavy Truck Crankshaft Transmission Wheel Hub Seal For FH12 FH16 FM12 FMX Replacement Parts Describe: Purpose-built for the demanding drivetrain sealing requirements of FH12, FH16, FM12 and FMX heavy truck series, this 168×188/190×30/32 skeleton radial shaft oil seal delivers reliable crankshaft, transmission input/output shaft and wheel hub oil retention across long-haul and severe-duty operating cycles. The rigid carbon steel