Caterpillar O-Ring, PAI 321359 (OEM 5H7153), Pack of 6
Used In These Kits
This part is included in 2 engine & overhaul kits — find yours below.
Suggested Additional Parts
Commonly sold with this product. These parts are sold separately.
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331594Caterpillar 3400 Gasket, PAI (OEM 4N7253), Pack of 1 In stock -
321250Caterpillar Silicone O-Ring, PAI (OEM 8M5249), Pack of 6 In stock -
391991Caterpillar Finished Valve Guide, PAI (OEM 1737188), Pack of 6 In stock -
391950Caterpillar Intake Valve, PAI (OEM 1152368), Pack of 2 In stock -
392082Caterpillar 3400 / 3406B / 3406C Injector Adapter In stock
| Brand | PAI Industries |
| Part Category | Seals & O-Rings |
| Sub-Type | O-Ring |
| Engine Make | Caterpillar |
| Engine Model | 3400 |
| Condition | New |
| Stage / Tier | Standard |
Sold in a pack of 6.
PAI 321359 is an o-ring made from Silicone. PAI lists Caterpillar 3400 applications. The manufacturer identifies Caterpillar OEM reference 5H7153.
Compare the complete part number and listed application with your required part before ordering.
PAI Part #: 321359
OEM References:
- CATERPILLAR 5H7153
Applications:
- CATERPILLAR 3400 SERIES
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 |
|---|
| 5H7153 |
| CATERPILLAR 5H7153 |
| PAI 321359 |
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.