3003814 Connecting Rod Bearing for Cummins NT855 NTA855 Replacement Supplier

Reliable engine performance starts from the core. If you are performing a maintenance overhaul or a complete engine rebuild, the 3003814 (also known as 3003814) connecting rod bearing is the critical component you need to ensure longevity and prevent crankshaft damage in your heavy-duty equipment.

Professional Product Specifications

AttributeDetails
Model NO.NT855 / NTA855 / N14 Engine Series
Part Number3003814 / 3003814 (Non-symbol version)
Product NameConnecting Rod Bearing (Con-rod Bearing)
TypeEngine Internal Components / Crankshaft Bearings
ConditionBrand New, OEM Standard Replacement
ApplicationEngine rebuild, overhaul, maintenance for construction and marine units
Stock StatusIn Stock / Fast Dispatch Available
Payment TermsT/T, Western Union, MoneyGram
Delivery MethodsExpress: DHL Fedex EMS UPS or by Air/ Sea
PackagingIndustrial Export Packing for International Transit

Why Procurement Professionals Choose Our 3003814 Bearings

When sourcing engine parts, comparing performance and cost is essential. Below is a strategic comparison to help your procurement decision.

Purchase FocusStandard Aftermarket PartsOur OEM-Standard 3003814
1. Material CompositionBasic aluminum alloyHigh-strength Tri-metal structure (Steel back/Copper lead/Babbitt overlay)
2. Fatigue ResistanceModerate - prone to early pittingSuperior - designed for high-load industrial cycles
3. Precision FitStandard tolerancesStrict OEM clearance standards to prevent oil pressure drops
4. Heat DissipationBasicOptimized thermal conductivity to protect the crankshaft
5. Supply ChainMixed sourcesDirect factory sourcing with consistent batch quality control
6. ReliabilityVariableTrusted by repair shops and global equipment fleets

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Troubleshooting Engine Bearing Failures (FAQ)

Q1: Why does my NT855 engine show low oil pressure and metallic knocking sounds?

This is often a symptom of worn 3003814 con-rod bearings. When the clearance between the bearing and the crankshaft becomes too wide, oil escapes too easily, causing pressure to drop. Immediate inspection is required to prevent total engine seizure.

Q2: What causes premature wear on 3003814 parts during operation?

Common causes include oil contamination, restricted oil flow, or incorrect torque during installation. We recommend checking the oil pump and cooling system whenever replacing bearings.

Q3: Why Choose This Connecting Rod Bearing?

Our 3003814 features an OEM-standard tri-metal structure, ensuring it can withstand the extreme pressures of turbocharged engines. It is a product trusted by repair shops and large equipment fleets worldwide.

Not sure how this issue affects your equipment?

Our team helps operators optimize their maintenance schedules and part selection:

  • Identify potential risks during maintenance to avoid catastrophic failure.

  • Recommend suitable replacement parts if needed based on engine serial numbers.

  • Support both inspection advice and parts supply for a one-stop solution.

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