Shopping for: Confirm the part against your engine serial number and application before ordering.
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Caterpillar · Models: 3304
370166 Caterpillar 3304 Main Bearing Set
Commercial diesel bearing. Match the listed part and engine identifiers before ordering.
2-Year WarrantyPAI Industries
$131.24$142.76
Save $11.52
In Stock
PAI Part #370166
JAK'S Part #JAKS-370166
Included Components
What’s In This Kit
Browse 2 included components with current product details and availability.
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370136Cat / Caterpillar MAIN BEARING In stock -
370144Caterpillar 3300 / 3306 / 3304 Thrust Washer In stock - No included components match that search.
Complete The Rebuild
Suggested Additional Parts
Commonly sold with this product. These parts are sold separately.
| Brand | PAI Industries |
| Part Category | Bearings |
| Sub-Type | Engine Bearing |
| Engine Make | Caterpillar |
| Engine Model | 3304 |
| Condition | New |
| Stage / Tier | Standard |
Discovery models are listed below. Confirm the complete application and any ESN/CPL or size restrictions before ordering.
Caterpillar 3304
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.