Home/Cummins B-Series Parts — ISB, 6BT, 4BT & QSB/ISB606-126HP Cummins HIGH PERFORMANCE ENGINE KIT
Cummins HIGH PERFORMANCE ENGINE KIT
Cummins · Models: ISB / QSB

ISB606-126HP Cummins HIGH PERFORMANCE ENGINE KIT

Commercial diesel inframe / overhaul kit. Match the listed part and engine identifiers before ordering.
3-Year HP WarrantyPAI IndustriesMay Qualify for Free Freight
$1,855.10$2,094.63 Save $239.53
In stock — confirm dispatch timing 2 available
Fitment details

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PAI Part #ISB606-126HP
JAK'S Part #JAKS-ISB606-126HP
Catalog ref111529HP 4089671
Catalog ref111527HP 3970127
Catalog ref111209 3901706
Catalog ref111213HP 3934047
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 3 included components with current product details and availability.

Confirm the full kit contents and quantities with us before ordering.

Complete The Rebuild

Suggested Additional Parts

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

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    621224Detroit INJECTOR O-RING KIT In stock
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  4. Detroit Liner Shim
    661601Detroit Liner Shim In stock
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  5. OIL PUMP
    141315OIL PUMP In stock
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ISB606-126HP Cummins HIGH PERFORMANCE ENGINE KIT
BrandPAI Industries
Part CategoryEngine Kits
Sub-TypeEngine Rebuild Kit
Engine MakeCummins
Engine ModelISB · QSB

HIGH PERFORMANCE ENGINE KIT

Fits:

  • CUMMINS ISB ENGINES
  • CUMMINS QSB SERIES ENGINE

OEM cross-references:

  • 111529HP 4089671
  • 111527HP 3970127
  • 111209 3901706
  • 111213HP 3934047
  • 505135HP 4089182
  • 171801HP 3901170
  • 171954HP 4893693
  • 171811HP 3802070
  • 131685 4089173
  • 121298 3678786
  • 121210 3678912
  • 121251 3034412
  • 121321 3679139
  • 121272 3906697
  • 121258 3906698
  • EGA-0430 446GC1131
  • 136102 3963990
  • 136103 3963988
  • 131532 3939258
  • 121193 3946188
  • 121339 3946689
  • 121227 3037537
  • 121194 3947270
  • 121349 3947328
  • 131736 3974127
  • 131695 3947814
  • 131698 3949562
  • 121350 3949688
  • 131708 4895742
  • 121192 3957440
  • 131697 3958165
  • 121322 4010643
  • 121254 3001340
  • 131463 4947667
  • 045054 4937308
  • 045036 3959574
  • 045033 3937214
  • 136026 3909410
  • 136158 5259499
  • 136175 4089425

Warranty: 36 months