CATEngine Parts

099-0231 Shaft Pinion — Cat 3114 E120B

This Shaft Pinion is a critical component within the engine's timing or drive system, ensuring precise rotational power transfer. It is manufactured to meet stringent OEM quality standards, offering superior durability and wear resistance compared to a worn or damaged pinion. Operators may notice engine noise, loss of power, or difficulty starting if the shaft pinion begins to fail.

Shaft Pinion – Part No 099-0231 – 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 TypeShaft Pinion
MaterialHardened Steel
ApplicationEngine Drive System
Service LifeReplace as needed based on inspection
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

Initial signs of a failing shaft pinion may include unusual clicking or grinding noises during engine operation. If left unaddressed, the wear can lead to increased backlash, resulting in rougher engine performance and potential power loss. Continued operation with a damaged pinion risks compromising the timing system, leading to significant internal engine damage.

Installation Tip

Ensure the mating gear and shaft surfaces are thoroughly cleaned and free of debris before installation. Avoid forcing the pinion onto the shaft, as this can damage the splines or the shaft itself.

Service Note

Inspect the associated gears, bearings, and seals for wear or damage when replacing the shaft pinion.