Caterpillar O-Ring, PAI 321260 (OEM 5P5598), Pack of 10
Used In These Kits
This part is included in 9 engine & overhaul kits — find yours below.
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331128Cat / Caterpillar OVERHAUL GASKET KIT In stock -
331129Cummins OVERHAUL GASKET KIT In stock -
331192Caterpillar 3300 / 3306 Upper Gasket And Sealkit In stock -
331197Cat / Caterpillar UPPER GASKET KIT In stock -
331201Cat / Caterpillar UPPER GASKET KIT In stock -
331449Caterpillar 3300 / 3304 Engine Overhaul Gasket Kit In stock -
331470-154Caterpillar C13 Head Gasket Kit In stock -
331473-155Caterpillar C13 Cylinder Head Gasket Kit In stock -
331562Caterpillar 3176 Lower Gasket Set 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 | 3400 |
| Condition | New |
| Stage / Tier | Standard |
Sold in a pack of 10.
PAI 321260 is an o-ring made from Viton. PAI lists Caterpillar 3400 applications. The manufacturer identifies Caterpillar OEM reference 5P5598.
Compare the complete part number and listed application with your required part before ordering.
PAI Part #: 321260
OEM References:
- CATERPILLAR 5P5598
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 |
|---|
| 5P5598 |
| CATERPILLAR 5P5598 |
| PAI 321260 |
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.