CATEngine Parts

376-4074 Crankshaft — Cat

This crankshaft is a critical rotating component within the engine, converting linear piston motion into rotational force to power the equipment. It is manufactured to meet stringent OEM material and dimensional standards, ensuring superior durability and performance compared to worn or damaged crankshafts. Symptoms of a failing crankshaft can include abnormal engine noises such as knocking or grinding, a noticeable decrease in engine power, and potential oil pressure fluctuations.

Crankshaft – Part No 376-4074 – CAT Spare Part
Part Specifications
BrandCAT
CategoryEngine Parts
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

Inspect mating surfaces for wear before fitting. Use torque specs from service manual. Replace gaskets and seals as a set — reusing compressed gaskets causes oil leaks. Clean all oil passages with compressed air.

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

Part TypeCrankshaft
MaterialForged steel
ApplicationEngine crankshaft
Service LifeReplace based on inspection and wear limits
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

The first sign of a crankshaft issue may be a persistent knocking sound from the engine. If ignored, this can lead to increased vibration and potential bearing damage, escalating to severe internal engine stress.

Installation Tip

Ensure the crankshaft is properly balanced before installation, as an unbalanced component will cause excessive vibration. Avoid overtightening connecting rod or main bearing caps, as this can distort the crankshaft journals.

Service Note

Always inspect and replace main and connecting rod bearings when servicing the crankshaft.