CATEngine Parts

387-9430 Fuel Injector — Cat

This fuel injector is responsible for precisely atomizing and delivering fuel into the engine's combustion chamber at the correct time and pressure. It is built to exacting standards for optimal fuel efficiency and emissions control, unlike a clogged or leaking injector that can cause poor spray patterns. Operators may observe rough idling, reduced engine power, increased fuel consumption, or black smoke from the exhaust when a fuel injector malfunctions.

Fuel Injector – Part No 387-9430 – 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
ApplicationEngine Fuel Delivery
Service LifeReplace based on performance or diagnostic codes
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

Early indications of a faulty fuel injector include uneven engine running, particularly at idle, and a slight increase in fuel usage. If ignored, the injector may fail to deliver fuel properly, leading to significant power loss and excessive exhaust emissions. Continued operation with a malfunctioning injector can result in incomplete combustion and potential damage to other engine components.

Installation Tip

Ensure the injector seat in the cylinder head is clean and free of carbon buildup before installing the new injector. Avoid overtightening the injector hold-down clamp, as this can damage the injector body or the cylinder head.

Service Note

Clean or replace the fuel filter and inspect fuel lines for leaks when replacing a fuel injector.