Shopping for: Confirm the part against your engine serial number and application before ordering.
Change engine
Cummins · Models: 6B / ISB / QSB
171811 Cummins MAIN BEARING KIT
Commercial diesel engine bearing. Match the listed part and engine identifiers before ordering.
2-Year WarrantyPAI Industries
$66.37$72.74
Save $6.37
In stock — ships same day
34 available
PAI Part #171811
JAK'S Part #JAKS-171811
| Brand | PAI Industries |
| Part Category | Engine Bearings |
| Sub-Type | Engine Bearing |
| Engine Make | Cummins |
| Engine Model | 6B · ISB · QSB |
MAIN BEARING KIT
Fits:
- CUMMINS 6B ENGINES 5.9
- CUMMINS ISB ENGINES
- CUMMINS QSB SERIES ENGINE
OEM cross-references:
- 171826 3901090
- 171836 3906230
- 171831 3901150
- PAI 171811
Warranty: 24 months
Discovery models are listed below. Confirm the complete application and any ESN/CPL or size restrictions before ordering.
Cummins 6B ISB QSB
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.