ZF 1238 304 091 Synchronizer Hub - 1238304091

ZF 1238 304 091 / 1238304091 Synchronizer Hub is the central splined hub of the synchronizer assembly in ZF gearbox units for construction machinery and semi-trucks. Manufactured to OEM spline geometry and sliding sleeve engagement specifications for correct synchronizer function and reliable gear engagement under continuous shift cycling. Ships with a 1-year warranty.