OE NO. 4M40

Starter Drives

This starter drive is a key replacement part for automotive starter motors. Adopting high‑strength alloy steel material, it delivers stable one‑way transmission performance, effectively protecting the starter from reverse‑torque damage. Suitable for multiple vehicle models, it is a reliable aftermarket spare part.OEM & bulk supply available.Please check all dimensions before ordering

  • Internal Model No: T136
  • Material: 20CrMnTi
  • Feature: Precise gear‑tooth machining, smooth meshing;Stable one‑way clutch function, sensitive disengagement; Resist impact and abrasion, long service life
  • Application: Automotive starter motors

Strict manufacturing standards ensure high hardness, good wear‑resistance and long service‑life under frequent impact‑load working conditions.