CATEngine Parts

20r-4560-0445120347 Fuel Injector — Cat 320D

This fuel injector precisely meters and atomizes diesel fuel into the combustion chamber, playing a critical role in engine efficiency and emissions control. Manufactured to exact specifications, it ensures consistent fuel delivery and spray patterns, unlike a clogged or leaking injector which can cause poor combustion. Operators might observe rough engine running, black smoke from the exhaust, or a significant loss of engine power when an injector is malfunctioning.

Fuel Injector – Part No 20r-4560-0445120347 – 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 precision components
ApplicationEngine fuel injection system
Service LifeReplace as needed based on performance issues
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

A failing fuel injector may initially cause a slight misfire or rough idle, especially under load. If ignored, the problem can escalate to persistent black smoke, a noticeable drop in engine power, and increased fuel consumption. Continued operation with faulty injectors can lead to incomplete combustion, potential engine damage, and increased emissions.

Installation Tip

Ensure the injector bore in the cylinder head is meticulously clean and free of any debris before installing the new injector. Avoid overtightening the injector hold-down clamp, as this can distort the injector body.

Service Note

When replacing fuel injectors, it is advisable to inspect the fuel lines for leaks and the fuel filter for clogging.