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Cummins
121256 Cummins O-Ring
Commercial diesel seal & o-ring. Match the listed part and engine identifiers before ordering.
2-Year WarrantyPAI Industries
$17.94
In stock — ships same day
5 available
PAI Part #121256
JAK'S Part #JAKS-121256
Cross Ref145531
Cross Ref3032787
Cross Ref1577-3032787
Cross Ref6V6228
| Brand | PAI Industries |
| Part Category | Seals & O-Rings |
| Sub-Type | O-Ring |
| Engine Make | Cummins |
| Condition | New |
| Stage / Tier | Standard |
Cataloged cross-reference numbers for this product. Confirm fitment before ordering.
| Number |
|---|
| 145531 |
| 3032787 |
| 1577-3032787 |
| 6V6228 |
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
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.