421221 International / Navistar O-RING (Pack of 5)
| Brand | PAI Industries |
| Part Category | Gaskets & Seals |
| Sub-Type | O-Ring |
| Engine Make | International / Navistar |
| Engine Model | DT408 · DT466 |
Sold in a pack of 5. Price shown is for 5 pieces.
O-RING
Fits:
- NAVISTAR DT-408 ENGINE
- NAVISTAR DT466 ENGINE
- NAVISTAR 530 ENGINE
- NAVISTAR DT466 ENGINE
- NAVISTAR 530 ENGINE
- NAVISTAR DT466 ENGINE
- NAVISTAR 530 ENGINE
- NAVISTAR DT466 ENGINE
- NAVISTAR 530 ENGINE
- NAVISTAR DT466 ENGINE
- NAVISTAR 530 ENGINE
OEM cross-references:
- MACK 4333-1820438C1
- NAVISTAR 1820438
- NAVISTAR 1820438C1
Warranty: 24 months
These catalog references may identify this part or components in an assembly. A listed number alone does not confirm whole-assembly interchange or vehicle fitment. Confirm the required part before ordering.
| Number |
|---|
| MACK 4333-1820438C1 |
| NAVISTAR 1820438 |
| NAVISTAR 1820438C1 |
| PAI 421221 |
No cross-reference numbers match that search.
Discovery models are listed below. Confirm the complete application and any ESN/CPL or size restrictions before ordering.
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.