Home/Cummins B-Series Parts — ISB, 6BT, 4BT & QSB/ISB607-251 Cummins ISB ENGINES ENGINE KIT
ENGINE KIT
Cummins · Models: ISB

ISB607-251 Cummins ISB ENGINES ENGINE KIT

Commercial diesel inframe / overhaul kit. Match the listed part and engine identifiers before ordering.
2-Year WarrantyPAI IndustriesMay Qualify for Free Freight
$1,415.68$1,598.47 Save $182.79
In stock — confirm dispatch timing
Fitment details

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PAI Part #ISB607-251
JAK'S Part #JAKS-ISB607-251
Catalog ref171811 3802070
Catalog ref171826 3901090
Catalog ref171836 3906230
Catalog ref171831 3901150
Not sure it's the right fit? Call a specialist
(720) 445-6249
Talk to a tech or text a photo of your part tag — we'll confirm fitment before you buy
Included Components

What’s In This Kit

Browse 5 included components with current product details and availability.

Complete The Rebuild

Suggested Additional Parts

Commonly sold with this product. These parts are sold separately.

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ISB607-251 Cummins ISB ENGINES ENGINE KIT
BrandPAI Industries
Part CategoryEngine Kits
Sub-TypeEngine Rebuild Kit
Engine MakeCummins
Engine ModelISB

ENGINE KIT

Fits:

  • CUMMINS ISB ENGINES

OEM cross-references:

  • 171811 3802070
  • 171826 3901090
  • 171836 3906230
  • 171831 3901150
  • 171801 3901170
  • 171954 4893693
  • 131739 4089264
  • 121205 3089240
  • 121289 3678603
  • 121298 3678786
  • 121321 3679139
  • 121272 3906697
  • 121258 3906698
  • 042019 3910248
  • 121233 3058653
  • 136071 3920773
  • 042050 3911638
  • EGA-0430 446GC1131
  • 045033 3937214
  • 121193 3946188
  • 131698 3949562
  • 131738 3955457
  • 121329 3958414
  • 045036 3959574
  • 131697 3958165
  • 136102 3963990
  • 136063 3918188
  • 136103 3963988
  • 121356 3965385
  • 121210 3678912
  • 121322 4010643
  • 136119 4890832
  • 136122 4890833
  • 131708 4895742
  • 131736 3974127
  • 321322 5P8211
  • 131734 4089263
  • 131711 3958645
  • 131691 3954324
  • 131692 3963379

Warranty: 24 months