Caterpillar Silicone O-Ring, PAI 321259 (OEM 6L5359), Pack of 5
Used In These Kits
This part is included in 5 engine & overhaul kits — find yours below.
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331190Caterpillar 3300 / 3304 Upper Gasket And Sealkit In stock -
331191Caterpillar 3300 / 3306 Upper Gasket And Sealkit In stock -
331196Caterpillar 3300 / 3306 Upper Gasket Kit In stock -
331201Cat / Caterpillar UPPER GASKET KIT In stock -
331564Cat / Caterpillar UPPER 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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340110Caterpillar Stud, PAI (OEM 1061792), Pack of 6 In stock -
321240Caterpillar O-Ring, Pack of 5, PAI (OEM Ref 7L3386) In stock -
321288Caterpillar O-Ring, PAI (OEM 618639), Pack of 6 In stock -
321445Caterpillar O-Ring, PAI (OEM 1123258), Pack of 1 In stock -
321256Caterpillar Silicone O-Ring, PAI (OEM 9M7002), Pack of 5 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 |
PAI 321259 is a silicone o-ring for Caterpillar applications. PAI specifies Silicone construction. The manufacturer designates product-level OEM 6L5359. PAI cross-references Caterpillar 6L5359. PAI lists these application categories: Caterpillar 3400 Series. Confirm the complete required part number before ordering.
Pack of 5.
Manufacturer product cross-references
Caterpillar 8T8117
PAI Part #: 321259
OEM References:
- CATERPILLAR 6L5359
- CATERPILLAR 8T8117
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 |
|---|
| 6L5359 |
| 8T8117 |
| CATERPILLAR 6L5359 |
| CATERPILLAR 8T8117 |
| PAI 321259 |
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.