Alternator 3975140RX

positive OEM
Cummins
Part# 3975140RX
note
Electrical generator supplying 24V power and charging for heavy-duty vehicles.
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Description

The Cummins Genuine Alternator (3975140RX) is an electrical generator that converts mechanical energy into alternating current to charge the battery and power the vehicle’s electrical system during engine operation. It is engineered for use in heavy-duty applications requiring reliable electrical output.

Key Specifications

  • Application: Tier 2 19 liter K/QSK engines
  • Function: Converts mechanical energy to electrical energy
  • Compatibility: Heavy-duty commercial vehicles, diesel engines
  • Construction: Metal housing, copper windings, steel components
  • Features: 24V output, 140A current rating, remanufactured to OEM specs
  • Quality: OEM Cummins 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# 3975140RX
Type OEM
Part# variations 3975140RX CUM,
3975140RXCUM
Manufacturer Cummins
Warranty Standard Manufacturer Warranty