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6N8413 Main Bearing for Crankshaft Support in CAT 3306 and 3304 Models Replacement Supplier
6N8413 Main Bearing for Crankshaft Support in CAT 3306 and 3304 Models Replacement Supplier
6N8413 Main Bearing for Crankshaft Support in CAT 3306 and 3304 Models Replacement Supplier
6N8413 Main Bearing for Crankshaft Support in CAT 3306 and 3304 Models Replacement Supplier
6N8413 Main Bearing for Crankshaft Support in CAT 3306 and 3304 Models Replacement Supplier
6N8413 Main Bearing for Crankshaft Support in CAT 3306 and 3304 Models Replacement Supplier
6N8413 Main Bearing for Crankshaft Support in CAT 3306 and 3304 Models Replacement Supplier
6N8413 Main Bearing for Crankshaft Support in CAT 3306 and 3304 Models Replacement Supplier

6N8413 Main Bearing for Crankshaft Support in CAT 3306 and 3304 Models Replacement Supplier

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Home > Engine Bearings > 6N8413 Main Bearing

6N8413 Main Bearing for Crankshaft Support in CAT 3306 and 3304 Models Replacement Supplier

Part Number: 6N8413 / 6N-8413 (Interchangeable)

Reliable engine performance starts from the core. As a specialized supplier of precision-engineered components, we provide the 6N8413 main bearing designed to meet or exceed OEM standards for heavy-duty earthmoving and industrial equipment.

1. Technical Specifications & Application Data

The 6N8413 is a critical component for engine overhaul and maintenance. Below is the detailed profile for technical procurement verification.

Field NameDetailed Information
Model NO.CAT 3306 / 3304 / 3306B / 3306C / G3306
Product NameCrankshaft Main Bearing (Standard Size)
Part Number6N8413 (also written as 6N-8413)
TypeEngine Internal Bearing Components
ConditionBrand New, OEM Standard Replacement
Payment TermsT/T, Western Union, MoneyGram
Delivery MethodsExpress (DHL, Fedex, EMS, UPS), Air Freight, Sea Freight
MOQ1 Piece
Stock StatusIn Stock / Fast Dispatch within 24-48 Hours
ApplicationEngine rebuild, overhaul, preventive maintenance
PackagingIndustrial Export Packing (Moisture-proof)

2. Core Procurement Advantages: 6N8413 Quality Comparison

Why professional repair shops choose our 6N-8413 main bearing over generic alternatives:

Critical FeatureOur Premium Replacement (OEM Std)Standard Aftermarket Bearing
Material CompositionHigh-strength Tri-Metal Lead-Indium OverlayBi-Metal Aluminum (Lower load capacity)
Heat ResistanceStable up to 250 degrees CelsiusProne to deformation under high heat
Fitment PrecisionStrict +/- 0.005mm toleranceVariable sizing leading to oil pressure loss
Fatigue StrengthOptimized for heavy industrial cyclesStandard residential grade durability
Oil ClearanceExact OEM specification matchOften requires manual adjustment
Service Life10,000+ Running Hours (with proper lub)Unpredictable failure rates

3. Expert Maintenance & Troubleshooting FAQ

Q1: What are the symptoms of a worn 6N8413 main bearing in a CAT 3306 engine?The most common signs include a significant drop in oil pressure when the engine reaches operating temperature, and a deep metallic "knocking" sound from the lower engine block. If you detect copper flakes in your oil filter, the bearing overlay is failing.
Q2: Can I replace just one 6N-8413 bearing or should I do the full set?During an engine overhaul or rebuild, we strictly recommend replacing the complete set of main bearings. Uneven bearing wear leads to crankshaft misalignment and potential catastrophic engine failure.
Q3: Why Choose This 6N8413 Crankshaft Bearing?Our products utilize an OEM-standard tri-metal structure for maximum load distribution. We are trusted by professional repair shops and global equipment fleets for heavy-duty applications.

4. Technical Support for Operators

Not sure how this issue affects your equipment?

Our team helps operators:

  • Identify potential risks during maintenance

  • Recommend suitable replacement parts if needed

  • Support both inspection advice and parts supply

Get professional guidance on your engine overhaul project today.

Connect With Our Sales Team

Instant support available for bulk pricing and shipping estimates.

WhatsApp: +86 13532379052  

About Our Professional Engine Solutions

We specialize in heavy-duty engine components for leading brands including Cummins, Komatsu, Caterpillar, Isuzu, Kubota, Yanmar, and Weichai. Our warehouse stocks a comprehensive range of engine assemblies and spare parts to keep your fleet running.

CAT 3306 cylinder liner Komatsu engine piston kit Cummins 6BT overhaul gasket set Caterpillar crankshaft replacement Isuzu diesel fuel injector Yanmar water pump assembly Kubota engine connecting rod Turbocharger for CAT 3304 Weichai engine oil pump Cylinder head for heavy machinery Main and rod bearing sets Engine rebuild kits for construction Diesel engine block repair Thrust plate for industrial engines Piston ring set for CAT 3306B Camshaft bush replacement High pressure diesel pump Aftermarket engine parts supplier Earthmoving equipment engine repair Global shipping engine spares

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