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Cummins · Models: 6C / ISC / ISL
171821 Cummins MAIN BEARING KIT
Commercial diesel bearings. Match the listed part and engine identifiers before ordering.
2-Year WarrantyPAI Industries
$86.15$94.37
Save $8.22
In stock — ships same day
13 available
PAI Part #171821
JAK'S Part #JAKS-171821
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 | 6C · ISC · ISL |
MAIN BEARING KIT
Fits:
- CUMMINS 6C ENGINES 8.3
- CUMMINS ISC ENGINES
- CUMMINS ISL SERIES
OEM cross-references:
- 171841 3944158
- 171851 3944163
- 171846 3944153
- CUMMINS 3800270
- CUMMINS 3945917
- CUMMINS 3802140
- CUMMINS 4309347
- PAI 171821
Warranty: 24 months
Discovery models are listed below. Confirm the complete application and any ESN/CPL or size restrictions before ordering.
Cummins 6C ISC ISL
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.