Cummins Viton Fitting O-Ring, PAI 121443 (OEM 3089019), Pack of 4
Used In These Kits
This part is included in 1 engine & overhaul kits — find yours below.
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Commonly sold with this product. These parts are sold separately.
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| Brand | PAI Industries |
| Part Category | Seals & O-Rings |
| Sub-Type | O-Ring |
| Engine Make | Cummins |
| Engine Model | MULTIPLE |
| Condition | New |
| Stage / Tier | Standard |
Pack of 4.
PAI 121443 is a Viton Fitting O-Ring. PAI specifies the BS4518-0395-30 designation and Viton 75 for Cummins engine applications. Manufacturer-designated parent reference: CUMMINS 3089019.
Manufacturer application categories
CUMMINS MULTIPLE. Confirm the complete required part number and application before ordering.
Manufacturer product cross-references
CUMMINS 3089019
PAI Part #: 121443
OEM References:
- CUMMINS 3089019
Applications:
- CUMMINS MULTIPLE
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 |
|---|
| 3089019 |
| CUMMINS 3089019 |
| PAI 121443 |
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.