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Cummins · Models: ISX
171987 Cummins ISX SERIES MAIN BEARING KIT
Commercial diesel bearings. Match the listed part and engine identifiers before ordering.
2-Year WarrantyPAI Industries
$270.09$295.99
Save $25.90
In stock — ships same day
6 available
PAI Part #171987
JAK'S Part #JAKS-171987
Complete The Rebuild
Suggested Additional Parts
Commonly sold with this product. These parts are sold separately.
| Brand | PAI Industries |
| Part Category | Engine Bearings |
| Sub-Type | Engine Bearing |
| Engine Make | Cummins |
| Engine Model | ISX |
MAIN BEARING KIT
Fits:
- CUMMINS ISX SERIES
OEM cross-references:
- CUMMINS 4089846
- CUMMINS 5406112
Warranty: 24 months
Discovery models are listed below. Confirm the complete application and any ESN/CPL or size restrictions before ordering.
Cummins ISX
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.