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Cummins · Models: 4B / ISB / QSB
050638 Cummins OIL PRESSURE SENSOR
Commercial diesel sensor. Match the listed part and engine identifiers before ordering.
2-Year WarrantyPAI Industries
$33.95$37.94
Save $3.99
In stock — ships same day
2 available
PAI Part #050638
JAK'S Part #JAKS-050638
Complete The Rebuild
Suggested Additional Parts
Commonly sold with this product. These parts are sold separately.
| Brand | PAI Industries |
| Engine Make | Cummins |
| Engine Model | 4B · ISB · QSB |
OIL PRESSURE SENSOR
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
Discovery models are listed below. Confirm the complete application and any ESN/CPL or size restrictions before ordering.
Cummins 4B 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.





