Caterpillar Viton O-Ring, PAI 321275 (OEM 1136303), Pack of 10
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| Engine family | Caterpillar 3116 · Caterpillar 3126 · Caterpillar C7 |
| Brand | PAI Industries |
| Part Category | Seals & O-Rings |
| Sub-Type | O-Ring |
| Engine Make | Caterpillar |
| Engine Model | 3100 · C7 |
| Condition | New |
| Stage / Tier | Standard |
PAI 321275 is a viton o-ring for Caterpillar applications. PAI specifies Viton construction. The manufacturer designates product-level OEM 1136303. PAI cross-references Caterpillar 1136303. PAI lists these application categories: Caterpillar 3100 Series, Caterpillar C7 Engine. Confirm the complete required part number before ordering.
Pack of 10.
Manufacturer product cross-references
Caterpillar 113-6303
Caterpillar 114-3362
Caterpillar 1143362
Caterpillar 317-0808
Caterpillar 3170808
Cummins 3904635
Mack 4333-1886658C1
Navistar 1886658
Caterpillar 9X7409
Caterpillar 3E6780
Navistar 1886658C1
PAI Part #: 321275
OEM References:
- CATERPILLAR 113-6303
- CATERPILLAR 1136303
- CATERPILLAR 114-3362
- CATERPILLAR 1143362
- CATERPILLAR 317-0808
- CATERPILLAR 3170808
- CUMMINS 3904635
- MACK 4333-1886658C1
- NAVISTAR 1886658
- CATERPILLAR 9X7409
- CATERPILLAR 3E6780
- NAVISTAR 1886658C1
Applications:
- CATERPILLAR 3100 SERIES
- CATERPILLAR C7 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 |
|---|
| 113-6303 |
| 1136303 |
| 114-3362 |
| 1143362 |
| 317-0808 |
| 3170808 |
| 3904635 |
| 4333-1886658C1 |
| 1886658 |
| 9X7409 |
| 3E6780 |
| 1886658C1 |
| CATERPILLAR 113-6303 |
| CATERPILLAR 1136303 |
| CATERPILLAR 114-3362 |
| CATERPILLAR 1143362 |
| CATERPILLAR 317-0808 |
| CATERPILLAR 3170808 |
| CUMMINS 3904635 |
| MACK 4333-1886658C1 |
| NAVISTAR 1886658 |
| CATERPILLAR 9X7409 |
| CATERPILLAR 3E6780 |
| NAVISTAR 1886658C1 |
| PAI 321275 |
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.




