391880 Caterpillar 3300 O-Ring
Used In These Kits
This part is included in 5 engine & overhaul kits — find yours below.
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331128Cat / Caterpillar OVERHAUL GASKET KIT In stock -
331129Cummins OVERHAUL GASKET KIT In stock -
331190Caterpillar 3300 / 3304 Upper Gasket And Sealkit In stock -
331191Caterpillar 3300 / 3306 Upper Gasket And Sealkit In stock -
331206Cat / Caterpillar UPPER 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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331293Caterpillar 3300 4.93mm PC Chamber Gasket, PAI (OEM 5M2667), Pack of 6 In stock -
331294Cat Chamber Gasket, PAI (OEM 2S8959), Pack of 5 In stock -
331295Cat Chamber Gasket, PAI (OEM 2S8960), Pack of 5 In stock -
331374Cat / Caterpillar EXHAUST MANIFOLD ASSEMBLY GASKET In stock -
391992Caterpillar Finished Valve Guide, PAI (OEM 2P1262), Pack of 6 In stock
| Brand | PAI Industries |
| Part Category | Seals & O-Rings |
| Sub-Type | O-Ring |
| Engine Make | Caterpillar |
| Engine Model | 3300 |
| Condition | New |
| Stage / Tier | Standard |
Sold in a pack of 4. Price shown is for 4 pieces.
O-RING
PAI Part #: 391880
OEM References:
- CATERPILLAR 2S6917
- CATERPILLAR 6L1648
- CATERPILLAR 7S3206
Applications:
- CATERPILLAR 3300 SERIES
Warranty: 2.0 year(s)
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 |
|---|
| 2S6917 |
| 6L1648 |
| 7S3206 |
| CATERPILLAR 2S6917 |
| CATERPILLAR 6L1648 |
| CATERPILLAR 7S3206 |
| PAI 391880 |
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.