370138 Cat / Caterpillar MAIN BEARING
Used In These Kits
This part is included in 4 engine & overhaul kits — find yours below.
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370163Caterpillar 3304 Main Bearing Set Ships from supplier · Lead time confirmed when you order -
370168Caterpillar 3304 Main Bearing Set Ships from supplier · Lead time confirmed when you order -
370173Caterpillar 3300 / 3306 Main Bearing Set Ships from supplier · Lead time confirmed when you order -
370233Caterpillar 3306 Main Bearing Set Ships from supplier · Lead time confirmed when you order - No kits match that search.
Suggested Additional Parts
Commonly sold with this product. These parts are sold separately.
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370132Cat / Caterpillar CONNECTING ROD BEARING Ships from supplier · Lead time confirmed when you order -
370144Caterpillar 3300 / 3306 / 3304 Thrust Washer Ships from supplier · Lead time confirmed when you order -
391891Caterpillar C15 STD Intake Valve Insert, PAI (OEM 1753617), Pack of 6 Ships from supplier · Lead time confirmed when you order -
491910International / Navistar FINISHED VALVE GUIDE (Pack of 4) Ships from supplier · Lead time confirmed when you order -
370010Cat / Caterpillar ROD BEARING Ships from supplier · Lead time confirmed when you order
| Engine family | Caterpillar 3304 · Caterpillar 3306 |
| Brand | PAI Industries |
| Part Category | Engine Bearings |
| Sub-Type | Engine Bearing |
| Engine Make | Caterpillar |
| Engine Model | 3306 |
MAIN BEARING
Fits:
- CATERPILLAR 3300 SERIES
- CATERPILLAR 3306 ENGINE
OEM cross-references:
- CATERPILLAR 4S8885
- CATERPILLAR 7M9288
- CATERPILLAR 8N8227
- CATERPILLAR 2S7423
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 4S8885 |
| CATERPILLAR 7M9288 |
| CATERPILLAR 8N8227 |
| CATERPILLAR 2S7423 |
| PAI 370138 |
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.









