Caterpillar C15/C18 .51 mm Exhaust Valve Insert, PAI 391941 (OEM 1704737), Pack of 6
| Brand | PAI Industries |
| Engine Make | Caterpillar |
| Engine Model | C15 · C18 |
Pack of 6.
PAI 391941 is a .51 mm exhaust valve insert. Manufacturer application: Caterpillar C15/C18. PAI gives a .51mm size designation; no undersize/oversize direction is inferred. Manufacturer parent reference: CATERPILLAR 1704737.
Manufacturer application categories
CATERPILLAR C15 ENGINE; CATERPILLAR C18 ENGINE. Confirm the complete required part number and listed configuration before ordering.
Manufacturer product cross-references
CATERPILLAR 170-4737
CATERPILLAR 1704737
Fits:
- CATERPILLAR C15 ENGINE
- CATERPILLAR C18 ENGINE
OEM cross-references:
- CATERPILLAR 170-4737
- CATERPILLAR 1704737
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 170-4737 |
| CATERPILLAR 1704737 |
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.