Viton O-Ring, PAI 321490 (OEM 2392402), Pack of 10
Used In These Kits
This part is included in 1 engine & overhaul kits — find yours below.
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380166Cat / Caterpillar FUEL PUMP KIT In stock - No kits match that search.
Suggested Additional Parts
Commonly sold with this product. These parts are sold separately.
| Brand | PAI Industries |
| Part Category | Seals & O-Rings |
| Sub-Type | O-Ring |
| Engine Make | Caterpillar |
| Condition | New |
| Stage / Tier | Standard |
Pack of 10.
PAI 321490 is a viton o-ring. Manufacturer specifies Viton material, 75 durometer and Black finish. Cross-section: 0.070 inches / 1.78 mm. Inside diameter: 0.239 inches / 6.07 mm. Manufacturer parent references: CATERPILLAR 2392402; CATERPILLAR 239-2402; CATERPILLAR 9N1756.
Manufacturer application table: CATERPILLAR UNIVERSAL COMPONENTS.
Compare the complete part number, quantity and listed specifications with the required part before ordering.
PAI Part #: 321490
OEM References:
- CATERPILLAR 2392402
- CATERPILLAR 239-2402
- CATERPILLAR 9N1756
Applications:
- CATERPILLAR UNIVERSAL COMPONENTS
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 |
|---|
| 2392402 |
| 239-2402 |
| 9N1756 |
| CATERPILLAR 2392402 |
| CATERPILLAR 239-2402 |
| CATERPILLAR 9N1756 |
| PAI 321490 |
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.






