421225 Caterpillar / International C11 / DT-408 / DT466 O-Ring
Used In These Kits
This part is included in 1 engine & overhaul kits — find yours below.
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331511Cat / Caterpillar FRONT GASKET KIT In stock - No kits match that search.
Suggested Additional Parts
Commonly sold with this product. These parts are sold separately.
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421221International / Navistar O-RING (Pack of 5) In stock -
321372Caterpillar / International 3176 / C10 / C13 O-Ring In stock -
431263International / Navistar FRONT COVER GASKET KIT In stock -
431267International / Navistar FRONT COVER GASKET SET In stock -
321263Caterpillar / International 3406E / C15 / C16 O-Ring In stock
| Brand | PAI Industries |
| Part Category | Seals & O-Rings |
| Sub-Type | O-Ring |
| Engine Make | Caterpillar · International |
| Engine Model | C11 · DT-408 · DT466 · 530 |
| Condition | New |
| Stage / Tier | Standard |
Cataloged cross-reference numbers for this product. Confirm fitment before ordering.
| Number |
|---|
| 131-3718 |
| 1313718 |
| 4333-1819250C1 |
| 4333-1819250C2 |
| 4333-1819250C3 |
| 1819250 |
| 1819250C1 |
| 1819250C2 |
| 1819250C3 |
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.