Home/Engine Rebuild & Inframe Kits/ISB631-081 OVERHAUL ENGINE KIT
ISB631-081 OVERHAUL ENGINE KIT
Cummins

ISB631-081 OVERHAUL ENGINE KIT

Commercial diesel inframe / overhaul kits. Match the listed part and engine identifiers before ordering.
2-Year WarrantyPAI IndustriesMay Qualify for Free Freight
$1,421.84$1,605.44 Save $183.60
In Stock
Help us verify fitment

Provide every identifier you have. A specialist will use these details to confirm the application before fulfillment.

Secure Checkout Review Return Policy Warranty Details May Qualify for Free Freight
PAI Part #ISB631-081
JAK'S Part #JAKS-ISB631-081
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 6 included components with current product details and availability.

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

ISB631-081 OVERHAUL ENGINE KIT
BrandPAI Industries
Part CategoryEngine Kits
Sub-TypeEngine Rebuild Kit
Engine MakeCummins

OVERHAUL ENGINE KIT

OEM cross-references:

  • 111622 4955365
  • 111620 4938619
  • 111088HP 4931041
  • 111209 3901706
  • 505160 4955251
  • 131756 4955523
  • 131753 4932210
  • 131791 4899226
  • 131692 3963379
  • 131691 3954324
  • 131693 3947530
  • 131761 3979769
  • 131755 3978072
  • 131725 3955339
  • 131843 5260648
  • 136100 3963991
  • 121289 3678603
  • 121298 3678786
  • 121255 3066211
  • 131694 4931365
  • 121297 3627695
  • 321249 6J2245
  • 321270 335853
  • EGA-3877 446GC1225
  • 121264 3883284
  • 121364 2830977
  • 121366 3678606
  • 131532 3939258
  • 136103 3963988
  • 136102 3963990
  • 321287 8L2777
  • 136095 3954829
  • 192108 3955393
  • 121363 3973512
  • 136145 3976371
  • 042025 3823921
  • 121337 3977393
  • 121312 3347937

Warranty: 24 months