Caterpillar 3406E/C15/C16/C18 Fuel Injection O-Ring Kit, PAI 321285 (OEM 2481394), Pack of 1
What’s In This Kit
Browse 3 included components with current product details and availability.
Used In These Kits
This part is included in 4 engine & overhaul kits — find yours below.
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 | 3406E · C15 · C16 · C18 |
| Condition | New |
| Stage / Tier | Standard |
Pack of 1.
PAI 321285 is a fuel injection o-ring kit. Manufacturer application: Caterpillar 3406E/C15/C16/C18. Manufacturer parent cross-references: CATERPILLAR 189-5390; CATERPILLAR 1895390; CATERPILLAR 248-1394; CATERPILLAR 2481394.
Manufacturer application table: CATERPILLAR 3406E SERIES; CATERPILLAR C15 ENGINE; CATERPILLAR C16 ENGINES; CATERPILLAR C18 ENGINE.
Manufacturer-listed top-level components: 1 x PAI 321282 o-ring; 1 x PAI 321327 o-ring; 1 x PAI 321284 o-ring. These component quantities do not change the Pack of 1 kit.
Compare the complete kit number, configuration and manufacturer-listed contents with the required parts before ordering.
Fits:
- CATERPILLAR 3406E SERIES
- CATERPILLAR C15 ENGINE
- CATERPILLAR C16 ENGINES
- CATERPILLAR C18 ENGINE
OEM cross-references:
- 321282 9X7317
- 321327 2303728
- 321284 2303775
- PAI 321285
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 |
|---|
| 321282 9X7317 |
| 321327 2303728 |
| 321284 2303775 |
| PAI 321285 |
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.