321388 Cat / Caterpillar O-RING (Pack of 2)
Used In These Kits
This part is included in 4 engine & overhaul kits — find yours below.
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321407Caterpillar C10/C12 Oil Cooler Installation O-Ring Kit, PAI (OEM 1933322), Pack of 1 In stock -
331591Cat / Caterpillar 3176 SERIES WATER PUMP GASKET SET In stock -
331623Cat / Caterpillar C10 ENGINE OIL COOLER O-RING KIT In stock -
331628Cat / Caterpillar WATER PUMP GASKET 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 | Gaskets & Seals |
| Sub-Type | O-Ring |
| Engine Make | Caterpillar |
| Engine Model | 3176 · C10 · C13 |
Sold in a pack of 2. Price shown is for 2 pieces.
O-RING
Fits:
- CATERPILLAR 3176 SERIES
- CATERPILLAR C10 ENGINE
- CATERPILLAR C13 ENGINE
OEM cross-references:
- CATERPILLAR 9X7549
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 9X7549 |
| PAI 321388 |
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.