Caterpillar O-Ring, PAI 321269 (OEM 1662904), Pack of 6
Used In These Kits
This part is included in 6 engine & overhaul kits — find yours below.
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321361Caterpillar C15 ACERT Fuel Injector Sleeve O-Ring Kit, PAI , Pack of 1 In stock -
331470-154Caterpillar C13 Head Gasket Kit In stock -
331473-155Caterpillar C13 Cylinder Head Gasket Kit In stock -
331500Cat / Caterpillar C13 ENGINE FUEL GASKET KIT In stock -
360462-102Caterpillar 3406E / C15 / C15 Acert Head Rebuild Kit In stock -
392091Caterpillar C15 / C15 Acert Injector Sleeve 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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321266Caterpillar O-Ring, PAI (OEM 9X7430), Pack of 6 In stock -
392087Caterpillar C13 Injector Sleeve In stock -
321268Caterpillar Viton O-Ring, PAI (OEM 1662903), Pack of 6 In stock -
321285Caterpillar 3406E/C15/C16/C18 Fuel Injection O-Ring Kit, PAI (OEM 2481394), Pack of 1 In stock -
392011Caterpillar Exhaust Valve Seal, PAI (OEM 1632478), Pack of 6 In stock
| Brand | PAI Industries |
| Part Category | Seals & O-Rings |
| Sub-Type | O-Ring |
| Engine Make | Caterpillar |
| Engine Model | 3406E · C15 · C16 · C18 |
| Condition | New |
| Stage / Tier | Standard |
Sold in a pack of 6.
PAI 321269 is an o-ring made from AFLAS. PAI lists Caterpillar 3406E, C15, C16 and C18 applications. The manufacturer identifies Caterpillar OEM reference 1662904.
Compare the complete part number and listed application with your required part before ordering.
PAI Part #: 321269
OEM References:
- CATERPILLAR 166-2904
- CATERPILLAR 1662904
Applications:
- CATERPILLAR 3406E SERIES
- CATERPILLAR C15 ENGINE
- CATERPILLAR C16 ENGINES
- CATERPILLAR C18 ENGINE
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 |
|---|
| 166-2904 |
| 1662904 |
| CATERPILLAR 166-2904 |
| CATERPILLAR 1662904 |
| PAI 321269 |
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.