Shopping for: Confirm the part against your engine serial number and application before ordering.
Change engine
121202 O-RING KIT
Commercial diesel piston ring. Match the listed part and engine identifiers before ordering.
2-Year WarrantyPAI Industries
$4.21
In stock — ships same day
14 available
PAI Part #121202
JAK'S Part #JAKS-121202
Included Components
What’s In This Kit
Browse 2 included components with current product details and availability.
-
121310Cummins Liner Seal In stock -
121311Cummins ISX SERIES SEAL (Pack of 6) 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.
-
161645Cummins Liner (150Mm)(Groove Top)(Non Apr) 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 | Gaskets & Seals |
| Sub-Type | O-Ring |
O-RING KIT
OEM cross-references:
- 121310 3678737
- 121311 3678738
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.