Starter Motor MS3-503S

Electric starter motor for initiating heavy-duty engine operation.
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Description

The Prestolite Starter Motor MS3-503S (MS3-503S) is an electric motor designed to initiate engine operation by engaging the engine’s flywheel. It converts electrical energy into mechanical motion to start heavy-duty vehicle engines. This starter motor is engineered for reliable engine cranking in commercial vehicle applications.

Key Specifications

  • Application: Heavy-duty commercial vehicles
  • Function: Converts electrical energy to mechanical torque
  • Compatibility: General heavy-duty truck engines
  • Construction: Steel housing, copper windings
  • Features: Solenoid engagement, gear reduction drive
  • Quality: OEM Prestolite part

Shipping Info

Next Day Air services are available for In Stock items. Our shipping cutoff time is Monday - Friday 4:30pm Eastern Standard Time (EST). 

 

For more shipping information, please see our Shipping & Delivery page.

More Information

Current Part# MS3-503S
Part# variations LN MS3-503S,
LNMS3-503S
Manufacturer Prestolite / Leece-Neville
Warranty Standard Manufactures