Caterpillar O-Ring, PAI 321371 (OEM 5S9134), Pack of 5
Used In These Kits
This part is included in 7 engine & overhaul kits — find yours below.
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321380Caterpillar C10/C12 Oil Cooler Installation O-Ring Kit, PAI (OEM 1433009), Pack of 1 In stock -
321407Caterpillar C10/C12 Oil Cooler Installation O-Ring Kit, PAI (OEM 1933322), Pack of 1 In stock -
321485Caterpillar 3176 Oil Cooler Gasket Kit, PAI (OEM 7X7974), Pack of 1 In stock -
331512Cat / Caterpillar OIL COOLER GASKET KIT In stock -
331546Caterpillar C11 Oil Cooler Gasket Kit In stock -
331623Cat / Caterpillar C10 ENGINE OIL COOLER O-RING KIT In stock -
331629Cat / Caterpillar 3176 SERIES OIL COOLER 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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321339Caterpillar O-Ring, PAI (OEM 6V3831), Pack of 5 In stock -
121308HNBR O-Ring, PAI (OEM 3678756), Pack of 5 In stock -
340062Cat / Caterpillar NUT (Pack of 4) In stock -
331382Cat / Caterpillar AIR COMPRESSOR GASKET (Pack of 5) In stock -
331451Cat Flywheel Housing Gasket, PAI (OEM 7C1583), Pack of 1 In stock
| Brand | PAI Industries |
| Part Category | Seals & O-Rings |
| Sub-Type | O-Ring |
| Engine Make | Caterpillar |
| Engine Model | 3176 · C10 · C12 · C13 |
| Condition | New |
| Stage / Tier | Standard |
Pack of 5.
PAI 321371 is an o-ring. PAI lists Viton material. The listed durometer is 75. Listed cross section is 0.210 inch. Listed inside diameter is 3.850 inches. The manufacturer designates product-level OEM 5S9134.
Compatible Engines
PAI lists Caterpillar 3176 Series; Caterpillar C10 Engine; Caterpillar C13 Engine; Caterpillar C12 Engines. Match the complete required part number and listed application before ordering.
Manufacturer product cross-references
Caterpillar 5S-9134
Caterpillar 5S9134
Caterpillar 8M-3089
Caterpillar 8M3089
Compare the complete part number, material and required seal specification before ordering.
PAI Part #: 321371
OEM References:
- CATERPILLAR 5S-9134
- CATERPILLAR 5S9134
- CATERPILLAR 8M-3089
- CATERPILLAR 8M3089
Applications:
- CATERPILLAR 3176 SERIES
- CATERPILLAR C10 ENGINE
- CATERPILLAR C13 ENGINE
- CATERPILLAR C12 ENGINES
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 |
|---|
| 5S-9134 |
| 5S9134 |
| 8M-3089 |
| 8M3089 |
| CATERPILLAR 5S-9134 |
| CATERPILLAR 5S9134 |
| CATERPILLAR 8M-3089 |
| CATERPILLAR 8M3089 |
| PAI 321371 |
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.