CATEngine Parts

246-3274-10r-9085 Air Starting Motor — Cat C15 C18

This air starting motor is designed to provide reliable engine starting power for large diesel engines, utilizing compressed air to crank the engine. Manufactured to meet stringent OEM quality standards, it offers robust performance and durability compared to a worn or damaged starter. Operators may experience slow or no engine cranking, unusual noises during startup attempts, or a complete failure to start the engine if this component is malfunctioning.

Air Starting Motor – Part No 246-3274-10r-9085 – 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 TypeAir Starting Motor
MaterialSteel, aluminum
ApplicationEngine starting system
Service LifeReplace as needed based on inspection
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

The most common symptom of a failing air starting motor is a weak or slow engine crank, or no crank at all. Audible grinding or whining noises during attempted starts can also indicate internal wear. If the starter fails completely, the engine will not turn over, preventing operation.

Installation Tip

Ensure the air supply lines are clean and free of moisture or contaminants before connecting them to the new starter. Do not engage the starter motor for extended periods without allowing it to cool, as this can lead to overheating.

Service Note

When replacing the air starting motor, inspect the engine flywheel ring gear for worn or damaged teeth.