Cummins Oil Pressure Sensor, PAI 050638 (OEM 3967251), Pack of 1
Suggested Additional Parts
Commonly sold with this product. These parts are sold separately.
| Brand | PAI Industries |
| Engine Make | Cummins |
| Engine Model | 4B · ISB · QSB |
Pack of 1.
PAI 050638 is an oil pressure sensor. PAI describes M6 x 1 and M4 x 0.75 plastic knurled nuts with washers. Listed applications include Cummins 4B 3.9, ISB, QSB Industrial/Marine and B 5.9 Natural Gas. The manufacturer designates product-level OEM CUMMINS 3967251.
Compatible Engines
Manufacturer application categories: Cummins 4B Engines 3.9; Cummins Isb Engines; Cummins Qsb Industrial/Marine Engines; Cummins B 5.9 Natural Gas. Confirm the complete required part number and listed application before ordering.
Manufacturer product cross-references
Cummins 3967251
Match the complete part number and required specification before ordering.
For Cummins QSB Series Engine applications in the industrial and marine configurations listed by PAI.
Fits:
- CUMMINS 4B ENGINES 3.9
- CUMMINS ISB ENGINES
- CUMMINS QSB SERIES ENGINE
- CUMMINS B 5.9 NATURAL GAS
OEM cross-references:
- CUMMINS 3967251
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 3967251 |
| PAI 050638 |
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.





