OE NO. 54-8349/40571/6Z12

Starter Drives

This starter drive serves as a critical transmission spare part for automotive starter motors. It transfers torque to engage the engine flywheel during ignition and disengages instantly once the engine starts.

  • Internal Model No: T8700
  • Material: 20CrMnTi
  • Feature: Torque sampling test before delivery for reliable performance and lower rework rate after installation.
  • Application: Automotive starter motors

At ignition, the starter spins the one-way clutch and pushes the drive gear forward to mesh with the flywheel ring gear and crank the engine. After the engine fires and outruns the starter speed, the built-in overrunning mechanism freewheels to cut off reverse power transmission.