Engines and Components› Engines, Blocks and Components
Cummins
ISB 6B 6BT 5.9L 12-Valve Bare Cylinder Block
SKU: 3903797
Professional / shop required
Description
It is compatible with specific Komatsu engine models including S6D102E-1AA, S6D102E-1AB & SA6D102E-1AB, SA6D102E-1AA, SA6D102E-1AC, and SAA6D102E-2.
Fitment
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Specifications
| Brand | Cummins |
| Part Number | 3903797 |
| Category | Engines and Components |
Buy with Confidence
Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
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