370021 Cat / Caterpillar MAIN BEARING
Used In These Kits
This part is included in 1 engine & overhaul kits — find yours below.
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370181Cat / Caterpillar MAIN BEARING SET 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 | Engine Bearings |
| Sub-Type | Engine Bearing |
| Engine Make | Caterpillar |
| Engine Model | 3406E · 3408 · C15 · C16 · C18 |
MAIN BEARING
Fits:
- CATERPILLAR 3406E SERIES
- CATERPILLAR C15 ENGINE
- CATERPILLAR C16 ENGINES
- CATERPILLAR C18 ENGINE
- CATERPILLAR 3408 ENGINES
OEM cross-references:
- CATERPILLAR 4W5698
- CATERPILLAR 6N4168
- CATERPILLAR 7N1192
- CATERPILLAR 8N5422
Warranty: 24 months
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.