Cat Regulator Housing Gasket, PAI 331290 (OEM 1048585), Pack of 5
Used In These Kits
This part is included in 4 engine & overhaul kits — find yours below.
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 |
Pack of 5.
PAI 331290 is a regulator housing gasket. PAI lists Caterpillar 3406E, C15, C16, C18 and 3400 applications and identifies Caterpillar OEM reference 1048585. The manufacturer also lists 104-8585 in its Caterpillar cross-reference table.
Compare the complete part number and listed application with your required part before ordering.
Fits:
- CATERPILLAR 3406E SERIES
- CATERPILLAR C15 ENGINE
- CATERPILLAR C16 ENGINES
- CATERPILLAR C18 ENGINE
- CATERPILLAR 3400 SERIES
OEM cross-references:
- CATERPILLAR 104-8585
- CATERPILLAR 1048585
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 104-8585 |
| CATERPILLAR 1048585 |
| PAI 331290 |
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.