321201 Cat / Caterpillar LINER O-RING
| Brand | PAI Industries |
| Part Category | Gaskets & Seals |
| Sub-Type | O-Ring |
| Engine Make | Caterpillar |
| Engine Model | 3406E · C15 |
LINER O-RING
Fits:
- CATERPILLAR 3400 SERIES
- CATERPILLAR 3406E SERIES
- CATERPILLAR C15 ENGINE
OEM cross-references:
- CATERPILLAR 110-2220
- CATERPILLAR 3E6777
- CATERPILLAR 6V5121
- CATERPILLAR 2N6210
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 110-2220 |
| CATERPILLAR 3E6777 |
| CATERPILLAR 6V5121 |
| CATERPILLAR 2N6210 |
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.