180890 Cummins 4B 3.9 / 6B 5.9 Belt Tensioner
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| Engine family | Cummins 4B / ISB 4.5 · Cummins ISB / QSB / 6B 5.9 / 6.7 |
| Brand | PAI Industries |
| Part Category | Belts & Pulleys |
| Sub-Type | Belt / Tensioner |
| Engine Make | Cummins |
| Engine Model | 4B 3.9 · 6B 5.9 |
| Condition | New |
| Stage / Tier | Standard |
BELT TENSIONER
PAI Part #: 180890
OEM References:
- CUMMINS 3921524
- CUMMINS 3924026
- CUMMINS 3929428
- CUMMINS 3930269
- CUMMINS 3930289
- CUMMINS 3930769
- CUMMINS 3934815
- CUMMINS 3936197
- CUMMINS 3936198
- CUMMINS 3957433
- CUMMINS 3976833
- CUMMINS 3978021
- CUMMINS 3934816
- CUMMINS 3934814
Applications:
- CUMMINS 4B ENGINES 3.9
- CUMMINS 6B ENGINES 5.9
Warranty: 2.0 year(s)
These catalog references may identify this part or components in an assembly. A listed number alone does not confirm whole-assembly interchange or vehicle fitment. Confirm the required part before ordering.
| Number |
|---|
| 3921524 |
| 3924026 |
| 3929428 |
| 3930269 |
| 3930289 |
| 3930769 |
| 3934815 |
| 3936197 |
| 3936198 |
| 3957433 |
| 3976833 |
| 3978021 |
| 3934816 |
| 3934814 |
| CUMMINS 3921524 |
| CUMMINS 3924026 |
| CUMMINS 3929428 |
| CUMMINS 3930269 |
| CUMMINS 3930289 |
| CUMMINS 3930769 |
| CUMMINS 3934815 |
| CUMMINS 3936197 |
| CUMMINS 3936198 |
| CUMMINS 3957433 |
| CUMMINS 3976833 |
| CUMMINS 3978021 |
| CUMMINS 3934816 |
| CUMMINS 3934814 |
| PAI 180890 |
No cross-reference numbers match that search.
Discovery models are listed below. Confirm the complete application and any ESN/CPL or size restrictions before ordering.
Most PAI parts carry a 2-year unlimited-mileage PAI warranty — 3 years on the High Performance tier, 1 year on Excel by PAI. See Warranty & Returns for full coverage terms, or call a specialist to confirm the exact coverage on this part.
PAI published warranty tiers: High Performance — 3-Year · Genuine PAI — 2-Year · Excel — 1-Year, unlimited mileage. The badge beside the price shows this product's recorded term; when no badge is shown, confirm coverage with a specialist.





