Shopping for: Confirm the part against your engine serial number and application before ordering.
Change engine
Cummins · Models: 6C 8.3 / ISC
045059 Cummins 6C 8.3 / ISC Piston Cooling Nozzle
Commercial diesel piston. Match the listed part and engine identifiers before ordering.
2-Year WarrantyPAI Industries
$16.60$18.57
Save $1.97
In stock — ships same day
15 available
PAI Part #045059
JAK'S Part #JAKS-045059
Cross Ref3959291
Cross Ref4937305
Cross Ref4944337
Cross Ref5405325
| Brand | PAI Industries |
| Part Category | Pistons & Rings |
| Engine Make | Cummins |
| Engine Model | 6C 8.3 · ISC |
| Condition | New |
| Stage / Tier | Standard |
Cataloged cross-reference numbers for this product. Confirm fitment before ordering.
| Number |
|---|
| 3959291 |
| 4937305 |
| 4944337 |
| 5405325 |
No cross-reference numbers match that search.
Don't see your number? Request a verified cross-reference or call/text (720) 445-6249.
Discovery models are listed below. Confirm the complete application and any ESN/CPL or size restrictions before ordering.
Cummins 6C 8.3 ISC
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.