321304 Caterpillar 3400 O-Ring
What’s In This Kit
Browse 5 included components with current product details and availability.
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321278Caterpillar 3406E / C15 / C16 O-Ring In stock -
321303Caterpillar 3406E / C15 / C16 O-Ring In stock -
TGA-9914Cat / Caterpillar O-RING (Pack of 5) In stock -
331372Cat / Caterpillar WATER CONNECTOR GASKET (Pack of 5) In stock -
EGA-3061Cat / Caterpillar 3300 SERIES O-RING (Pack of 25) In stock - No included components match that search.
Used In These Kits
This part is included in 1 engine & overhaul kits — find yours below.
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381801Cat / Caterpillar 3400 SERIES WATER PUMP ASSEMBLY In stock - 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 | 3400 |
| Condition | New |
| Stage / Tier | Standard |
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.