CATEngine Parts

347-1134 Camshaft — Cat 320D

This camshaft is a critical component within the engine's valvetrain, controlling the opening and closing of intake and exhaust valves to regulate airflow into and out of the combustion chambers. Manufactured to precise OEM standards, it ensures accurate valve timing and lift, unlike a worn camshaft with pitted lobes or excessive end play that can lead to poor engine performance. Operators may experience rough idling, loss of power, increased fuel consumption, or engine misfires when this camshaft is damaged or worn.

Camshaft – Part No 347-1134 – 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 TypeCamshaft
MaterialHardened forged steel
ApplicationEngine Valvetrain
Service LifeReplace during engine overhaul or if wear is detected
CompatibilityCAT Engine C6.6, Excavator 320D, 323D L, E320D, E323D
ConditionNew — OEM specification aftermarket

Failure Symptoms

Early signs of camshaft wear include a noticeable decrease in engine power and a rougher idle. If the wear progresses, valve timing can become significantly compromised, leading to persistent misfires, excessive exhaust smoke, and increased fuel consumption. Continued operation with a worn camshaft can cause further damage to valve train components and cylinder heads.

Installation Tip

Ensure all camshaft bearing surfaces in the engine block are perfectly clean and lubricated before installation. Carefully align the camshaft timing marks with the crankshaft timing marks to ensure correct engine timing.

Service Note

When replacing the camshaft, it is crucial to inspect the lifters (tappets) for wear and to check the timing gears for any signs of damage or excessive wear.