Shopping for: Confirm the part against your engine serial number and application before ordering.
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111221 PISTON KIT
Commercial diesel piston. Match the listed part and engine identifiers before ordering.
2-Year WarrantyPAI Industries
$67.78$74.25
Save $6.47
In stock — ships same day
PAI Part #111221
JAK'S Part #JAKS-111221
Included Components
What’s In This Kit
Browse 3 included components with current product details and availability.
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111220Cummins PISTON In stock -
111208PISTON PIN In stock -
111209Cummins Piston Pin Retainer 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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111222PISTON KIT In stock - No kits match that search.
Complete The Rebuild
Suggested Additional Parts
Commonly sold with this product. These parts are sold separately.
| Brand | PAI Industries |
| Part Category | Pistons, Rings & Rods |
| Sub-Type | Piston |
PISTON KIT
OEM cross-references:
- 111220 3907156
- 111208 3901793
- 111209 3901706
Warranty: 24 months
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.