Cat Water Connection O-Ring, PAI 321517 (OEM 6V5066), Pack of 2
| Brand | PAI Industries |
| Part Category | Gaskets & Seals |
| Sub-Type | O-Ring |
| Engine Make | Caterpillar |
| Engine Model | 3406E · C15 |
Pack of 2.
PAI 321517 is a water connection o-ring. The manufacturer specifies EPDM construction. PAI lists Caterpillar 3406E and C15 applications. It cross-references Caterpillar OEM 6V5066.
Compare the complete part number and listed application before ordering.
Fits:
- CATERPILLAR 3406E SERIES
- CATERPILLAR C15 ENGINE
OEM cross-references:
- CATERPILLAR 6V5066
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 6V5066 |
| PAI 321517 |
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.