331390 Cat / Caterpillar OIL COOLER GASKET KIT
What’s In This Kit
Browse 8 included components with current product details and availability.
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121308Caterpillar 3406E / C15 / C16 O-Ring In stock -
321278Caterpillar 3406E / C15 / C16 O-Ring In stock -
331372Cat / Caterpillar WATER CONNECTOR GASKET (Pack of 5) In stock -
331388Cat / Caterpillar OIL COOLER GASKET (Pack of 6) In stock -
321294Caterpillar 3406E / C15 / C16 O-Ring In stock -
331387Caterpillar 3400 Oil Cooler Gasket In stock -
321301Caterpillar 3406E / C15 / C16 O-Ring In stock -
121284Cat / Caterpillar O-RING (Pack of 10) In stock - No included components match that search.
Suggested Additional Parts
Commonly sold with this product. These parts are sold separately.
| Brand | PAI Industries |
| Part Category | Lubrication System |
| Sub-Type | Oil Cooler Component |
| Engine Make | Caterpillar |
| Engine Model | 3406E · C15 · C16 · C18 |
OIL COOLER GASKET KIT
Fits:
- CATERPILLAR 3406E SERIES
- CATERPILLAR C15 ENGINE
- CATERPILLAR C16 ENGINES
- CATERPILLAR C18 ENGINE
- CATERPILLAR 3400 SERIES
OEM cross-references:
- 121308 3678756
- 321278 1090077
- 331372 1250434
- 331388 2P3760
- 321294 3P0650
- 331387 4N0641
- 321301 6V3908
- 121284 3040817
Warranty: 24 months
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.












