121200 Cummins ISX12 CUMMINS LINER O-RING (Pack of 6)
Used In These Kits
This part is included in 2 engine & overhaul kits — find yours below.
Suggested Additional Parts
Commonly sold with this product. These parts are sold separately.
-
132088Cummins ISX12 Gasket, PAI (OEM 4974921), Pack of 1 Ships from supplier · Lead time confirmed when you order -
505155Cummins ISX12 CUMMINS Ring Set Ships from supplier · Lead time confirmed when you order -
136131Cummins OIL SEAL KIT Ships from supplier · Lead time confirmed when you order -
132085Cummins ISX12 Gasket, PAI (OEM 2870121), Pack of 1 Ships from supplier · Lead time confirmed when you order -
132086Cummins ISX12 Gasket, PAI (OEM 4960053), Pack of 1 Ships from supplier · Lead time confirmed when you order
| Engine family | Cummins ISX12 / X12 |
| Brand | PAI Industries |
| Part Category | Gaskets & Seals |
| Sub-Type | O-Ring |
| Engine Make | Cummins |
| Engine Model | ISX12 |
Sold in a pack of 6. Price shown is for 6 pieces.
LINER O-RING
Fits:
- CUMMINS ISX12 CUMMINS
OEM cross-references:
- CUMMINS 2873961
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 2873961 |
| PAI 121200 |
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.