CATEngine Parts

4N0963 Camshaft Gp — Cat 3408

This camshaft assembly is a core component of the engine's valve train, controlling the timing and duration of intake and exhaust valve operation. Manufactured to precise specifications, it ensures optimal engine breathing and performance, unlike a worn camshaft with rounded lobes. Operators may experience a rough idle, loss of engine power, or increased exhaust emissions when this part is worn or damaged.

Camshaft Gp – Part No 4N0963 – 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 Assembly
MaterialHardened forged steel
ApplicationEngine valve train system
Service LifeReplace based on wear inspection and engine performance
CompatibilityCAT 3408, 3408B, 3408C, 589, 631D
ConditionNew — OEM specification aftermarket

Failure Symptoms

Early signs of a failing camshaft include a noticeable loss of engine power and rougher idling. If ignored, the issue can progress to increased fuel consumption and audible valve train noise. Continued operation risks valve train damage and potential piston-to-valve contact.

Installation Tip

Ensure all camshaft bearing surfaces in the engine block are meticulously cleaned and lubricated before installation. Never rotate the camshaft without proper lubrication to avoid scoring the journals.

Service Note

Inspect lifters, valve springs, and timing gears for wear when replacing the camshaft.