CATEngine Parts

363-0493 Fuel Injector — Cat

This is a CAT Fuel Injector, a critical component of the engine's fuel system responsible for precisely metering and atomizing diesel fuel into the combustion chamber. It meets stringent OEM quality standards, ensuring optimal performance and durability compared to a worn injector that may exhibit inconsistent spray patterns or leakage. Symptoms of a failing injector include rough idling, loss of engine power, increased exhaust smoke, and a noticeable decrease in fuel efficiency.

Fuel Injector – Part No 363-0493 – 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 TypeFuel Injector
MaterialSteel alloy, NBR seals
ApplicationEngine fuel system
Service LifeReplace based on performance diagnostics
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

The first sign of a failing fuel injector is often a rough engine idle or a noticeable loss of power. If ignored, the issue can progress to increased fuel consumption, excessive black smoke from the exhaust, and potential engine misfires. Continued operation with a faulty injector risks uneven cylinder wear and reduced overall engine performance.

Installation Tip

Ensure the injector bore is thoroughly cleaned and free of debris before installation to prevent leaks. Avoid overtightening the injector hold-down bolts, as this can distort the injector body or damage the cylinder head threads.

Service Note

When replacing a fuel injector, it is advisable to inspect the condition of the fuel lines and replace the fuel filter.