Shopping for: Confirm the part against your engine serial number and application before ordering.
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Caterpillar
311281 Caterpillar Piston Kit
Commercial diesel piston. Match the listed part and engine identifiers before ordering.
2-Year WarrantyPAI Industries
$167.88
In Stock
PAI Part #311281
JAK'S Part #JAKS-311281
Included Components
What’s In This Kit
Browse 3 included components with current product details and availability.
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311280Caterpillar 3406 Piston In stock -
311005Cat / Caterpillar PISTON PIN In stock -
311006Cat / Caterpillar PISTON PIN RETAINER (Pack of 2) In stock - No included components match that search.
Kit Membership
Used In These Kits
This part is included in 1 engine & overhaul kits — find yours below.
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311282Caterpillar Piston Kit In stock - No kits match that search.
| Brand | PAI Industries |
| Part Category | Pistons & Rings |
| Sub-Type | Piston |
| Engine Make | Caterpillar |
| Condition | New |
| Stage / Tier | Standard |
Discovery models are listed below. Confirm the complete application and any ESN/CPL or size restrictions before ordering.
Caterpillar
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.