180881 Cummins ISC / ISL / KENWORTH T440 Belt Tensioner
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Commonly sold with this product. These parts are sold separately.
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180896Cummins ISX SERIES BELT TENSIONER Ships from supplier · Lead time confirmed when you order -
050626Cummins PRESSURE TEMPERATURE DUAL KIT Ships from supplier · Lead time confirmed when you order -
180885Cummins ISX / QSX Belt Tensioner Ships from supplier · Lead time confirmed when you order -
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| Engine family | Cummins ISC / QSC / 6C 8.3 · Cummins ISL / QSL / 8.9 |
| Brand | PAI Industries |
| Part Category | Belts & Pulleys |
| Sub-Type | Belt / Tensioner |
| Engine Make | Cummins |
| Engine Model | ISC · FREIGHTLINER M2 MODELS · ISL · KENWORTH T440 · KENWORTH T450 · KENWORTH T470 · KENWORTH T370 MODELS · FREIGHTLINER 108SD |
| Condition | New |
| Stage / Tier | Standard |
BELT TENSIONER
PAI Part #: 180881
OEM References:
- CUMMINS 3973819
- CUMMINS 5683521
Applications:
- CUMMINS ISC ENGINES
- FREIGHTLINER M2 MODELS
- CUMMINS ISL SERIES
- FREIGHTLINER M2 MODELS
- CUMMINS ISL SERIES
- FREIGHTLINER M2 MODELS
- FREIGHTLINER M2 MODELS
- KENWORTH T440 SERIES
- KENWORTH T450 SERIES
- KENWORTH T470 SERIES
- FREIGHTLINER M2 MODELS
- KENWORTH T370 MODELS
- KENWORTH T470 SERIES
- FREIGHTLINER M2 MODELS
- KENWORTH T370 MODELS
- KENWORTH T470 SERIES
- FREIGHTLINER M2 MODELS
- FREIGHTLINER 108SD TRUCK
- FREIGHTLINER M2 MODELS
- FREIGHTLINER 108SD TRUCK
- CUMMINS ISL SERIES
- FREIGHTLINER M2 MODELS
- KENWORTH T370 MODELS
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 |
|---|
| 3973819 |
| 5683521 |
| CUMMINS 3973819 |
| CUMMINS 5683521 |
| PAI 180881 |
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.





