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Alternator Pulley 3251035

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Genuine Parts

Cummins Alternator Pulley 3251035

  • Compatibility : Widely used across heavy-duty, commercial, marine, and industrial Cummins diesel engine families—including the NT855 / NH, K19 / KTA19, K38, K50, and QSK series.
  • Cross-References/Interchange Parts : Often replaces or interchanges with older Cummins part numbers 3179944 and 3179924.
  • Design & Construction : Built from heavy-duty machined steel/iron alloy to withstand high belt tension, harsh operating temperatures, and continuous vibration in commercial applications.

The Cummins alternator pulley (Part No. 3251035) is an OEM drive component engineered to transfer rotational mechanical power from the engine’s accessory drive belt directly to the alternator shaft. By maintaining precise belt alignment and rotational speed, it ensures optimal efficiency for the alternator, allowing the vehicle or generator setup to reliably charge its batteries and run auxiliary electrical systems.

Product reference
Alternator

Ordering & compatibility

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