Cat Regulator Housing Gasket, PAI 331347 (OEM 1393550), Pack of 5
Used In These Kits
This part is included in 5 engine & overhaul kits — find yours below.
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331370Cat / Caterpillar GASKET KIT In stock -
331565Cat / Caterpillar C15 ENGINE FRONT COVER GASKET KIT In stock -
381847Cat / Caterpillar UNIVERSAL COMPONENTS THERMOSTAT KIT In stock -
381852Cat / Caterpillar UNIVERSAL COMPONENTS THERMOSTAT KIT In stock -
381853Cat / Caterpillar UNIVERSAL COMPONENTS THERMOSTAT KIT 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 | Gaskets & Seals |
| Sub-Type | Gasket |
| Engine Make | Caterpillar |
| Engine Model | 3406E · C15 · C16 · C18 |
PAI 331347 is a regulator housing gasket for Caterpillar 3400 Series, 3406E, C15, C16 and C18 applications. PAI identifies Caterpillar OEM reference 1393550. The manufacturer also lists 139-3550 as cross-references.
Pack of 5.
Fits:
- CATERPILLAR 3406E SERIES
- CATERPILLAR C15 ENGINE
- CATERPILLAR C16 ENGINES
- CATERPILLAR C18 ENGINE
- CATERPILLAR 3400 SERIES
OEM cross-references:
- CATERPILLAR 139-3550
- CATERPILLAR 1393550
Warranty: 24 months
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 |
|---|
| CATERPILLAR 139-3550 |
| CATERPILLAR 1393550 |
| PAI 331347 |
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.