321372 Caterpillar / International 3176 / C10 / C13 O-Ring
Used In These Kits
This part is included in 4 engine & overhaul kits — find yours below.
Suggested Additional Parts
Commonly sold with this product. These parts are sold separately.
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421243International / Navistar O-RING (Pack of 6) In stock -
431310International / Navistar OIL COOLER HOUSING GASKET KIT In stock -
431307International / Navistar OIL COOLER GASKET KIT In stock -
431317International / Navistar FRONT COVER GASKET KIT In stock -
431328International / Navistar REAR MAIN SEAL HOUSING GASKET In stock
| Brand | PAI Industries |
| Part Category | Seals & O-Rings |
| Sub-Type | O-Ring |
| Engine Make | Caterpillar · International |
| Engine Model | 3176 · C10 · C13 · C12 · DT466E · DT530E · DT570 |
| Condition | New |
| Stage / Tier | Standard |
Cataloged cross-reference numbers for this product. Confirm fitment before ordering.
| Number |
|---|
| 6D-7146 |
| 6D7146 |
| 4333-1841990C1 |
| 1841990 |
| 1841990C1 |
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.









