CATBearing & Bushing

3537418 Main Bearing Kit — Cat 312D2 312D2 GC

This is a main bearing kit designed to provide critical support within the engine's crankshaft system. It ensures proper lubrication and reduces friction between the crankshaft and engine block, meeting stringent OEM material and dimensional standards for optimal performance. A worn or failed kit will result in increased engine noise, loss of oil pressure, and potential engine seizure.

Main Bearing Kit – Part No 3537418 – CAT Spare Part
Part Specifications
BrandCAT
CategoryBearing & Bushing
ConditionAftermarket — OEM Specification
DispatchSame-day from Mumbai (before 3 PM IST)
GST InvoiceAvailable — all orders
Export DocsCommercial invoice, packing list, COO

Compatible Models

Always verify with serial number before ordering.

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Installation & Application Notes

Never strike bearings directly — use a bearing press or driver set. Heat housing (not bearing) to ease installation. Replace bearings in sets where applicable. Check housing bore diameter before fitting — out-of-round bores destroy new bearings.

Always consult the OEM service manual for model-specific torque values and procedures. WhatsApp our technical team if you need fitment guidance.

Part TypeMain Bearing Kit
MaterialSteel alloy with babbit lining
ApplicationEngine crankshaft support
Service LifeReplace during engine overhaul or as needed
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

Initial signs of a failing main bearing kit include a persistent knocking or rattling sound from the engine, especially under load. If ignored, this can lead to a significant drop in oil pressure and increased engine wear. Continued operation risks severe crankshaft and engine block damage.

Installation Tip

Ensure the crankshaft journals and bearing surfaces are meticulously clean before installation to prevent premature wear. Avoid overtightening the bearing caps, as this can distort the bearing shells and compromise oil clearance.

Service Note

Always inspect the crankshaft journals for scoring or wear and replace the oil pump if oil pressure is consistently low.