CATEngine Parts

258-8745 Fuel Injector — Cat 330D

This fuel injector is a precision-engineered component responsible for delivering atomized fuel into the engine's combustion chamber at the correct pressure and timing. It is built to exacting OEM standards, ensuring consistent fuel delivery and optimal combustion efficiency, unlike a worn injector that may leak or spray erratically. Observable symptoms of a failing fuel injector include rough engine idling, misfires, a significant loss of power, or increased exhaust smoke.

Fuel Injector – Part No 258-8745 – 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, brass, and seals
ApplicationFuel injection system
Service LifeReplace as needed, typically 10,000-20,000 hrs
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

A failing fuel injector may initially cause subtle engine performance degradation, such as slight hesitation or rough idling. If left unaddressed, the injector can lead to persistent misfires, a noticeable drop in power, and increased fuel consumption. Continued operation with a faulty injector risks fuel dilution of engine oil and potential damage to pistons and cylinder walls.

Installation Tip

Always use new seals and O-rings when installing a fuel injector to prevent fuel leaks and ensure proper sealing. Avoid overtightening the injector hold-down bolts, as this can distort the injector body.

Service Note

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