321231 Caterpillar 3100 / C7 / 3116 O-Ring
Used In These Kits
This part is included in 26 engine & overhaul kits — find yours below.
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321411Caterpillar C15 / C15 Acert Oil Cooler Gasket Kit In stock -
331144Caterpillar Overhaul Gasket Kit In stock -
331220Caterpillar 3100 / C7 / 3116 Engine Overhaul Gasket Kit In stock -
331257Caterpillar 3100 / C7 / 3116 Oil Pan Gasket Kit In stock -
331321Cat / Caterpillar LOWER GASKET KIT In stock -
331326Cat / Caterpillar WATER PUMP GASKET KIT In stock -
331328Cat / Caterpillar UPPER GASKET KIT In stock -
331361FRONT COVER GASKET KIT In stock -
331375Cat / Caterpillar FRONT COVER GASKET KIT In stock -
331470-156Caterpillar C13 Cover Gasket Kit In stock -
331473-156Caterpillar C13 Valve Cover Gasket Kit In stock -
331501Cat / Caterpillar C13 ENGINE TURBOCHARGER INSTALLATION GASKET KIT In stock - 331502TURBOCHARGER INSTALLATION GASKET KIT View ›
- 331503UPPER GASKET KIT View ›
- 331504UPPER GASKET KIT View ›
- 331511FRONT GASKET KIT View ›
- 331515FRONT COVER GASKET KIT View ›
- 331516LOWER GASKET KIT View ›
- 331518WATER PUMP GASKET KIT View ›
- 331539GASKET KIT View ›
- 331554LOWER GASKET SET View ›
- 331567TURBOCHARGER INSTALLATION KIT View ›
- 331581UPPER GASKET SET View ›
- 331670OIL COOLER GASKET SET View ›
- 331679FRONT COVER GASKET KIT View ›
- 381803WATER PUMP ASSEMBLY View ›
- No kits match that search.
Suggested Additional Parts
Commonly sold with this product. These parts are sold separately.
| Brand | PAI Industries |
| Part Category | Seals & O-Rings |
| Sub-Type | O-Ring |
| Engine Make | Caterpillar |
| Engine Model | 3100 · C7 · 3116 · 3126 |
| Condition | New |
| Stage / Tier | Standard |
Cataloged cross-reference numbers for this product. Confirm fitment before ordering.
| Number |
|---|
| 004-3919 |
| 004-5005 |
| 0043919 |
| 0045005 |
| 005-6504 |
| 0056504 |
| 006-5062 |
| 0065062 |
| 030-6805 |
| 0306805 |
| 077-3175 |
| 077-3919 |
| 0773175 |
| 0773919 |
| 095-1761 |
| 095-2720 |
| 0951761 |
| 0952720 |
| 172-7492 |
| 1727492 |
| 1C3804 |
| 3D2824 |
| 3K6850 |
| 5E3337 |
| 7X5427 |
| 8U0222 |
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.