331387 Caterpillar 3400 Oil Cooler Gasket
Used In These Kits
This part is included in 7 engine & overhaul kits — find yours below.
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331334Cat / Caterpillar GASKET KIT In stock -
331389Cat / Caterpillar OIL COOLER GASKET KIT In stock -
331390Cat / Caterpillar OIL COOLER GASKET KIT In stock -
331391Cat / Caterpillar OIL COOLER GASKET KIT In stock -
331392Cat / Caterpillar OIL COOLER GASKET KIT In stock -
331413Cat / Caterpillar 3400 SERIES OIL COOLER GASKET KIT In stock -
331431Cat / Caterpillar OIL COOLER 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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321278Caterpillar 3406E / C15 / C16 O-Ring In stock -
331285Cat / Caterpillar REGULATOR COVER GASKET (Pack of 5) In stock -
321294Caterpillar 3406E / C15 / C16 O-Ring In stock -
331303Cat / Caterpillar WATER CONNECTOR GASKET (Pack of 5) In stock -
331212Cat / Caterpillar TURBOCHARGER GASKET (Pack of 5) In stock
| Brand | PAI Industries |
| Part Category | Lubrication |
| Sub-Type | Oil Cooler Component |
| Engine Make | Caterpillar |
| Engine Model | 3400 |
| Condition | New |
| Stage / Tier | Standard |
Cataloged cross-reference numbers for this product. Confirm fitment before ordering.
| Number |
|---|
| 4N-0641 |
| 4N0641 |
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.












