Shopping for: Confirm the part against your engine serial number and application before ordering.
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Caterpillar · Models: 3406
311036 Cat / Caterpillar PISTON
Commercial diesel pistons. Match the listed part and engine identifiers before ordering.
2-Year WarrantyPAI Industries
$177.48
In Stock
PAI Part #311036
JAK'S Part #JAKS-311036
Kit Membership
Used In These Kits
This part is included in 1 engine & overhaul kits — find yours below.
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311037Caterpillar 3400 / 3406 Piston Kit In stock - No kits match that search.
| Brand | PAI Industries |
| Part Category | Pistons, Rings & Rods |
| Sub-Type | Piston |
| Engine Make | Caterpillar |
| Engine Model | 3406 |
PISTON
Fits:
- CATERPILLAR 3400 SERIES
- CATERPILLAR 3406 ENGINES
OEM cross-references:
- CATERPILLAR 7W3668
- CATERPILLAR 9Y3116
Warranty: 24 months
Discovery models are listed below. Confirm the complete application and any ESN/CPL or size restrictions before ordering.
Caterpillar 3406
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.