181866 Cummins THERMOSTAT KIT
Suggested Additional Parts
Commonly sold with this product. These parts are sold separately.
| Brand | PAI Industries |
| Part Category | Cooling System |
| Sub-Type | Thermostat |
| Engine Make | Cummins |
| Engine Model | 4B · ISB · QSB |
THERMOSTAT KIT
Fits:
- CUMMINS 4B ENGINES 3.9
- CUMMINS ISB ENGINES
- CUMMINS QSB SERIES ENGINE
- CUMMINS ISF 3.8 ENGINE
OEM cross-references:
- CUMMINS 3954830
- CUMMINS 3974371
- CUMMINS 4929644
- CUMMINS 5292711
- CUMMINS 5292712
- CUMMINS 5292744
- CUMMINS 5627589
- PAI 181866
Warranty: 24 months
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 |
|---|
| CUMMINS 3954830 |
| CUMMINS 3974371 |
| CUMMINS 4929644 |
| CUMMINS 5292711 |
| CUMMINS 5292712 |
| CUMMINS 5292744 |
| CUMMINS 5627589 |
| PAI 181866 |
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.