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Caterpillar · Models: C15
311278 Cat / Caterpillar C15 ENGINE MONOTHERM PISTON
Commercial diesel pistons. Match the listed part and engine identifiers before ordering.
2-Year WarrantyPAI Industries
Call or email for pricing
We have not published a price for this part yet.
(720) 445-6249
or parts@JAKsDiesel.com
and a specialist will quote it.
Unavailable online — request lead time
PAI Part #311278
JAK'S Part #JAKS-311278
Kit Membership
Used In These Kits
This part is included in 1 engine & overhaul kits — find yours below.
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311279Caterpillar C15 Monotherm Piston Kit Confirm lead time - No kits match that search.
| Brand | PAI Industries |
| Engine Make | Caterpillar |
| Engine Model | C15 |
MONOTHERM PISTON
Fits:
- CATERPILLAR C15 ENGINE
Warranty: 24 months
Discovery models are listed below. Confirm the complete application and any ESN/CPL or size restrictions before ordering.
Caterpillar C15
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.