Caterpillar HNBR O-Ring, PAI 321212 (OEM 1090072), Pack of 6
Used In These Kits
This part is included in 6 engine & overhaul kits — find yours below.
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331150Cat / Caterpillar OIL PAN GASKET KIT In stock -
331152Cat / Caterpillar C15 ENGINE OIL PAN GASKET KIT In stock -
331166Caterpillar C15 In-Frame Gasket Kit In stock -
331228Caterpillar 3400 Upper Gasket Kit In stock -
331229Cat / Caterpillar 3400 SERIES UPPER GASKET KIT In stock -
331421Cat / Caterpillar CENTRAL-LOWER STRUCTURE GASKET 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 | 3406E · C15 · C16 · C18 |
| Condition | New |
| Stage / Tier | Standard |
PAI 321212 is a hnbr o-ring for Caterpillar applications. PAI specifies HNBR construction. The manufacturer designates product-level OEM 1090072. PAI cross-references Caterpillar 1090072. PAI lists these application categories: Caterpillar 3406E Series, Caterpillar C15 Engine, Caterpillar C16 Engines, Caterpillar C18 Engine. Confirm the complete required part number before ordering.
Pack of 6.
Manufacturer product cross-references
Caterpillar 109-0072
Caterpillar 8T7168
Caterpillar 9M9647
PAI Part #: 321212
OEM References:
- CATERPILLAR 109-0072
- CATERPILLAR 1090072
- CATERPILLAR 8T7168
- CATERPILLAR 9M9647
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 |
|---|
| 109-0072 |
| 1090072 |
| 8T7168 |
| 9M9647 |
| CATERPILLAR 109-0072 |
| CATERPILLAR 1090072 |
| CATERPILLAR 8T7168 |
| CATERPILLAR 9M9647 |
| PAI 321212 |
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.