Caterpillar 3400 Expansion Tank Gasket, PAI 331251 (OEM 2N0931), Pack of 5
Used In These Kits
This part is included in 4 engine & overhaul kits — find yours below.
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Commonly sold with this product. These parts are sold separately.
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| Brand | PAI Industries |
| Part Category | Gaskets |
| Sub-Type | Gasket |
| Engine Make | Caterpillar |
| Engine Model | 3400 |
| Condition | New |
| Stage / Tier | Standard |
Pack of 5.
PAI 331251 is an expansion tank gasket. Manufacturer application: Caterpillar 3400. Manufacturer parent references: CATERPILLAR 2N0931; CATERPILLAR 3P7158.
Manufacturer application table: CATERPILLAR 3400 SERIES.
Compare the complete part number, quantity and listed specifications with the required part before ordering.
PAI Part #: 331251
OEM References:
- CATERPILLAR 2N0931
- CATERPILLAR 3P7158
Applications:
- CATERPILLAR 3400 SERIES
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 |
|---|
| 2N0931 |
| 3P7158 |
| CATERPILLAR 2N0931 |
| CATERPILLAR 3P7158 |
| PAI 331251 |
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.