Home/Engine Rebuild & Inframe Kits/ISB631-126 ENGINE OVERHAUL KIT
ISB631-126 ENGINE OVERHAUL KIT
Cummins

ISB631-126 ENGINE OVERHAUL KIT

Commercial diesel inframe / overhaul kits. Match the listed part and engine identifiers before ordering.
2-Year WarrantyPAI IndustriesMay Qualify for Free Freight
$1,465.54$1,605.44 Save $139.90
In Stock
Fitment details

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Secure Checkout Review Return Policy Warranty Details May Qualify for Free Freight
PAI Part #ISB631-126
JAK'S Part #JAKS-ISB631-126
Catalog ref111622 4955365
Catalog ref111620 4938619
Catalog ref111088HP 4931041
Catalog ref111209 3901706
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 8 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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ISB631-126 ENGINE OVERHAUL KIT
BrandPAI Industries
Part CategoryEngine Kits
Sub-TypeEngine Rebuild Kit
Engine MakeCummins

ENGINE OVERHAUL KIT

OEM cross-references:

  • 111622 4955365
  • 111620 4938619
  • 111088HP 4931041
  • 111209 3901706
  • 505160 4955251
  • 131850 4955354
  • 131753 4932210
  • 131692 3963379
  • 131693 3947530
  • 131761 3979769
  • 131846 4933235
  • 131849 5264566
  • 131725 3955339
  • 042017 4933628
  • 121289 3678603
  • 121298 3678786
  • 131843 5260648
  • 136100 3963991
  • 131694 4931365
  • 321249 6J2245
  • 321270 335853
  • 136102 3963990
  • 121227 3037537
  • 121194 3947270
  • 121350 3949688
  • 321287 8L2777
  • 121205 3089240
  • 136095 3954829
  • 192108 3955393
  • 136145 3976371
  • 121337 3977393
  • 132043 3999820
  • 121363 3973512
  • 131847 5260647
  • 131848 4933223
  • 131844 4933225
  • 131733 3949910
  • 131845 5266801
  • 131869 4955355
  • 121272 3906697

Warranty: 24 months