Caterpillar 3400 0.020in Intake Valve Insert, PAI 391923 (OEM 7C7604), Pack of 6
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| Engine family | Caterpillar 3406 (A/B/C) · Caterpillar 3408 · Caterpillar 3412 |
| Brand | PAI Industries |
| Part Category | Cylinder Head Components |
| Sub-Type | Valve Train Component |
| Engine Make | Caterpillar |
| Engine Model | 3400 |
| Condition | New |
| Stage / Tier | Standard |
PAI 391923 is a 0.020in intake valve insert for Caterpillar 3400 Series applications. PAI gives the size designation 0.020 inch. Match the required insert specification before ordering. The manufacturer designates product-level OEM 7C7604. PAI cross-references Caterpillar 7C7604. PAI lists these application categories: Caterpillar 3400 Series. Confirm the complete required part number before ordering.
Pack of 6.
PAI Part #: 391923
OEM References:
- CATERPILLAR 7C7604
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 |
|---|
| 7C7604 |
| CATERPILLAR 7C7604 |
| PAI 391923 |
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.





