Caterpillar C9 Light Blue Viton O-Ring, PAI 321456 (OEM 2287091), Pack of 4
Suggested Additional Parts
Commonly sold with this product. These parts are sold separately.
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331214Cat Turbo Oil Drain Gasket, PAI (OEM 126-2702), Pack of 5 Ships from supplier · Lead time confirmed when you order -
121284Viton O-Ring, PAI (OEM 3040817), Pack of 10 Ships from supplier · Lead time confirmed when you order -
331213Cat / Caterpillar TURBOCHARGER OIL PRESSURE GASKET (Pack of 5) Ships from supplier · Lead time confirmed when you order -
321300Caterpillar O-Ring, PAI (OEM 1367227), Pack of 5 Ships from supplier · Lead time confirmed when you order -
340015Caterpillar 3406E / C15 / C16 Screw Ships from supplier · Lead time confirmed when you order
| Engine family | Caterpillar C9 |
| Brand | PAI Industries |
| Part Category | Gaskets & Seals |
| Sub-Type | O-Ring |
| Engine Make | Caterpillar |
| Engine Model | C9 |
PAI Industries 321456 o-ring for Caterpillar C9. Replaces Caterpillar 228-7091. Pack of 4. 24-month warranty.
Fits:
- CATERPILLAR C9 ENGINES
OEM cross-references:
- CATERPILLAR 2287091
- CATERPILLAR 228-7091
- CATERPILLAR 6V5142
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 |
|---|
| CATERPILLAR 2287091 |
| CATERPILLAR 228-7091 |
| CATERPILLAR 6V5142 |
| PAI 321456 |
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.