Cummins 4991240 Idler Pulley For Isb, Qsb, Isc, And QSC Diesel Engines

Genuine Cummins Part

OEM #: 4991240SKU: 4991240

Ships in 4-5 days

Sale price$319.15

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The Cummins 4991240 idler pulley can be used for the following engines:

  • ISB and QSB
  • ISC and QSC
SKU 4991240
OEM Number 4991240
Part Type Miscellaneous
OEM Brand CUMMINS

Genuine Cummins parts warranty

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Call any of our friendly Parts Dept. Specialists with your engine serial number, and we can quickly verify whether this part is the correct part for your engine — no guesswork.

Phone: 888.687.0539

Don't know how to find your engine serial number? Go to our Engine Help Center for assistance.

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