331391 Cat / Caterpillar OIL COOLER GASKET KIT
What’s In This Kit
Browse 11 included components with current product details and availability.
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121308HNBR O-Ring, PAI (OEM 3678756), Pack of 5 In stock -
321278Caterpillar HNBR O-Ring, PAI (OEM 1090077), Pack of 5 In stock -
121284Viton O-Ring, PAI (OEM 3040817), Pack of 10 In stock -
321239Caterpillar / Cummins 3406E / C15 / C16 O-Ring In stock -
321294Caterpillar O-Ring, PAI (OEM 3P0650), Pack of 10 In stock -
331387Cat 3400 Oil Cooler Gasket, PAI (OEM 4N0641), Pack of 6 In stock -
321276Caterpillar O-Ring, PAI (OEM 2147568), Pack of 10 In stock -
331301PAI Aftercooler Gasket for Caterpillar — Pack of 4 In stock -
321299Caterpillar O-Ring, PAI (OEM 5P7701), Pack of 5 In stock -
321298Caterpillar O-Ring, PAI (OEM 0617540), Pack of 5 In stock -
331372Cat Water Connector Gasket, PAI (OEM 1250434), Pack of 5 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 | C15 · C16 · C18 |
OIL COOLER GASKET KIT
Fits:
- CATERPILLAR 3400 SERIES
- CATERPILLAR C15 ENGINE
- CATERPILLAR C16 ENGINES
- CATERPILLAR C18 ENGINE
OEM cross-references:
- 121308 3678756
- 321278 1090077
- 121284 3040817
- 321239 3J7354
- 321294 3P0650
- 331387 4N0641
- 321276 2147568
- 331301 4N0699
- 321299 5P7701
- 321298 0617540
- 331372 1250434
Warranty: 24 months
These catalog references may identify this part or components in an assembly. A listed number alone does not confirm whole-assembly interchange or vehicle fitment. Confirm the required part before ordering.
| Number |
|---|
| 121308 3678756 |
| 321278 1090077 |
| 121284 3040817 |
| 321239 3J7354 |
| 321294 3P0650 |
| 331387 4N0641 |
| 321276 2147568 |
| 331301 4N0699 |
| 321299 5P7701 |
| 321298 0617540 |
| 331372 1250434 |
| PAI 331391 |
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.