CATEngine Parts

0r-9851 Starter Motor — Cat 3412 3508

This starter motor is the primary component responsible for initiating the engine's combustion cycle by engaging the flywheel. It is built to meet stringent OEM quality standards, ensuring reliable cranking power and durability compared to worn or failing units. Operators may notice a slow or no-crank condition, or a grinding noise during attempted starts when this component begins to fail.

Starter Motor – Part No 0r-9851 – 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 TypeStarter Motor
MaterialSteel, copper windings
ApplicationEngine starting system
Service LifeReplace as needed based on performance
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

The first sign of a failing starter motor is often a slow cranking speed or intermittent engagement. If ignored, the starter may eventually fail to crank the engine altogether, leaving the equipment inoperable. Continued attempts to start with a failing starter can also damage the flywheel ring gear.

Installation Tip

Ensure the battery is fully charged and disconnected before removing the old starter. Avoid overtightening the mounting bolts, as this can strip the threads in the engine block.

Service Note

Inspect the battery and charging system, as well as the flywheel ring gear, when replacing the starter motor.