Home/Engine Rebuild & Inframe Kits/ISB631-251 OVERHAUL ENGINE KIT
ISB631-251 OVERHAUL ENGINE KIT
Cummins

ISB631-251 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$3,253.01 Save $1,831.17
In stock — ships same day 8 available
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PAI Part #ISB631-251
JAK'S Part #JAKS-ISB631-251
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(720) 445-6249
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Included Components

What’s In This Kit

Browse 7 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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  5. OIL PUMP
    141309OIL PUMP In stock
    $80.48View ›
ISB631-251 OVERHAUL ENGINE KIT
BrandPAI Industries
Part CategoryEngine Kits
Sub-TypeEngine Rebuild Kit
Engine MakeCummins

OVERHAUL ENGINE KIT

OEM cross-references:

  • 111625 4956007
  • 111623 4938620
  • 111088HP 4931041
  • 111209 3901706
  • 505164 4955480
  • 505165 4931042
  • 505166 4934282
  • 505167 4932802
  • 1274 G
  • 132049 4376090
  • 131753 4932210
  • 131692 3963379
  • 131693 3947530
  • 121233 3058653
  • 321322 5P8211
  • 131761 3979769
  • 121402 4076823
  • 131762 4932615
  • 321316 1075769
  • 131872 5253019
  • 131725 3955339
  • 121264 3883284
  • 131843 5260648
  • 131694 4931365
  • 136101 3918190
  • 136100 3963991
  • 136143 3684284
  • 161686 5311126
  • 136095 3954829
  • 192108 3955393
  • 121411 3963824
  • 121363 3973512
  • 121337 3977393
  • 131755 3978072
  • 132043 3999820
  • 121364 2830977
  • 136103 3963988
  • 136102 3963990

Warranty: 24 months