OE NO. 19589N-710

Planetary Shaft

Built‑in helical‑tooth structure delivers stable, low‑noise torque transmission.OEM & bulk supply available.Please confirm all dimensions before ordering to ensure fitment.

  • Internal Model No.: T1255D-00
  • Material: 20CrMnTi
  • Feature: high hardness and strong impact resistance; Integrated helical‑gear design, smooth, low‑noise torque transmission;Wear‑resistant;
  • Application: Automotive starter motors

This is a helical spline output shaft for planetary reduction starters, The helical spline area is treated with carburizing and quenching to achieve high wear resistance. It is integrated with a flange with positioning pins, which realizes stable torque transmission during engine startup, and is a high-quality aftermarket replacement part for planetary starter assemblies.