Shopping for: Confirm the part against your engine serial number and application before ordering.
Change engine
Product photo awaiting verification
Cummins · Models: ISX / X15
121457 Cummins INJECTOR SEAL KIT
Commercial diesel injectors. Match the listed part and engine identifiers before ordering.
2-Year WarrantyPAI Industries
Call or email for pricing
We have not published a price for this part yet.
(720) 445-6249
or parts@JAKsDiesel.com
and a specialist will quote it.
Unavailable online — request lead time
PAI Part #121457
JAK'S Part #JAKS-121457
| Brand | PAI Industries |
| Part Category | Gaskets & Seals |
| Sub-Type | Injector Seal |
| Engine Make | Cummins |
| Engine Model | ISX · X15 |
INJECTOR SEAL KIT
Fits:
- CUMMINS ISX SERIES
- CUMMINS X15 ENGINES
OEM cross-references:
- 3348515
- 4025062
- 3347937
- 3330538
- 3330537
- 3347939
- 8C0563
- 4062452
- CUMMINS 4025063
Discovery models are listed below. Confirm the complete application and any ESN/CPL or size restrictions before ordering.
Cummins ISX X15
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.