121308 Caterpillar 3406E / C15 / C16 O-Ring
Used In These Kits
This part is included in 21 engine & overhaul kits — find yours below.
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131639LOWER GASKET KIT In stock -
131838Cummins ISX SERIES OIL PAN GASKET KIT In stock -
132076Cummins ISX12 CUMMINS Oil Pan Gasket Kit In stock -
132083-100O-RING GASKET KIT In stock -
132090Cummins ISX12 CUMMINS LOWER GASKET KIT In stock -
321380Caterpillar 3176 / C10 / C13 O-Ring Kit In stock -
321407Caterpillar 3176 / C10 / C13 O-Ring Kit In stock -
321411Caterpillar C15 / C15 Acert Oil Cooler Gasket Kit In stock -
321485Cat / Caterpillar 3176 SERIES GASKET KIT In stock -
331228Caterpillar 3400 Upper Gasket Kit In stock -
331229Cat / Caterpillar 3400 SERIES UPPER GASKET KIT In stock -
331235Cat / Caterpillar 3400 SERIES UPPER GASKET KIT In stock - 331334GASKET KIT View ›
- 331389OIL COOLER GASKET KIT View ›
- 331390OIL COOLER GASKET KIT View ›
- 331391OIL COOLER GASKET KIT View ›
- 331392OIL COOLER GASKET KIT View ›
- 331395OIL COOLER GASKET KIT View ›
- 331413OIL COOLER GASKET KIT View ›
- 331431OIL COOLER GASKET KIT View ›
- 331623OIL COOLER O-RING KIT 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 | 3406E · C15 · C16 · C18 · 3400 |
| Condition | New |
| Stage / Tier | Standard |
Cataloged cross-reference numbers for this product. Confirm fitment before ordering.
| Number |
|---|
| 8C-5230 |
| 8C5230 |
| 3678756 |
| 4393172 |
| 1090073 |
| 109-0073 |
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.