CATEngine Parts

10r-1003-223-5328 Fuel Injector — Cat C10 C12

This is a precision-engineered fuel injector that delivers a finely atomized spray of diesel fuel directly into the combustion chamber. It is critical for efficient fuel combustion, power generation, and emissions control within the engine. A faulty injector may cause rough idling, a loss of engine power, increased fuel consumption, or visible smoke from the exhaust.

Fuel Injector – Part No 10r-1003-223-5328 – 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
MaterialHardened steel and brass
ApplicationDiesel engine fuel system
Service LifeReplace based on performance testing
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

Early signs of a failing fuel injector include noticeable engine misfires, a rough idle, and a decrease in overall engine power. If ignored, the injector may begin to leak fuel, leading to increased fuel consumption, excessive exhaust smoke, and potential engine damage from improper combustion. Continued operation with faulty injectors can lead to piston damage and reduced engine life.

Installation Tip

Ensure the injector seat in the cylinder head is perfectly clean and free of carbon deposits before installing the new injector. Avoid overtightening the injector hold-down clamp, which can damage the injector body.

Service Note

Inspect the fuel lines and filters for any signs of blockage or contamination when replacing a fuel injector.