DS-4003950 Oil Pump For L10 And M11 Cummins Diesel Engines
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DS-4003950 Oil Pump For L10 And M11 Cummins Diesel EnginesDiesel Parts Direct logo

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CumminsL10 / M11 / ISM / QSMOil Coolers

DS-4003950 Oil Pump For L10 And M11 Cummins Diesel Engines

OEM #: 4003950SKU: R4003950

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, and 3895756.

This is a 2-inch pump with a 26-tooth gear. It is commonly used on the following Cummins engine models:

  • ISM 2350, ISM 2728, ISM 2729, ISM 8556, ISM 8557, ISM 8558
  • L10 1558, L10 1866, L10 1868
  • M11 1855, M11 1856, M11 2037, M11 2370, M11 2371, M11 2607, M11 2608
SKU R4003950
OEM Number 4003950
Part Type Oil Coolers
OEM Brand CUMMINS
  • 3401186
  • 3803330
  • 3803379
  • 3883910
  • 3895756

Aftermarket warranty

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Genuine Cummins parts warranty

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  • Orders are processed the same or next business day
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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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