121170 Cummins ISX12 CUMMINS O-Ring
Used In These Kits
This part is included in 1 engine & overhaul kits — find yours below.
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132090Cummins ISX12 CUMMINS LOWER GASKET KIT Confirm lead time - No kits match that search.
Suggested Additional Parts
Commonly sold with this product. These parts are sold separately.
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121316Pump-to-Block EPDM O-Ring, PAI (OEM 3678724), Pack of 5 Ships from supplier · Lead time confirmed when you order -
132094Cummins ISX12 Gear Housing Gasket, PAI (OEM 4999877), Pack of 1 Ships from supplier · Lead time confirmed when you order -
132095Cummins ISX12 Gasket, PAI (OEM 4960126), Pack of 10 Ships from supplier · Lead time confirmed when you order -
132096Cummins ISX12 Gasket, PAI (OEM 4975285), Pack of 1 Ships from supplier · Lead time confirmed when you order -
131625Cummins COVER PLATE GASKET (Pack of 5) Ships from supplier · Lead time confirmed when you order
| Engine family | Cummins ISX12 / X12 |
| Brand | PAI Industries |
| Part Category | Seals & O-Rings |
| Sub-Type | O-Ring |
| Engine Make | Cummins |
| Engine Model | ISX12 CUMMINS |
| Condition | New |
| Stage / Tier | Standard |
Sold in a pack of 10. Price shown is for 10 pieces.
O-RING
PAI Part #: 121170
OEM References:
- CUMMINS 4989613
- CUMMINS 3966716
Applications:
- CUMMINS ISX12 CUMMINS
Warranty: 2.0 year(s)
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 |
|---|
| 4989613 |
| 3966716 |
| CUMMINS 4989613 |
| CUMMINS 3966716 |
| PAI 121170 |
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.