CATEngine Parts

387-9432 6 Pcs Fuel Injector — Cat 330D

This set of six fuel injectors is responsible for precisely atomizing and delivering diesel fuel into the engine cylinders at the correct time and pressure for combustion. Constructed with high-precision internal components, they ensure optimal fuel atomization and spray patterns, which are critical for efficient combustion and reduced emissions, unlike worn injectors that may dribble fuel or spray unevenly. Operators may notice rough engine idling, a significant decrease in engine power, increased exhaust smoke, or difficulty starting the engine.

6 Pcs Fuel Injector – Part No 387-9432 – 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 Set
MaterialSteel, precision machined components
ApplicationEngine fuel injection system
Service LifeReplace as needed based on diagnostic testing and performance
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

Rough engine idling, a noticeable loss of power, and increased black smoke from the exhaust are common initial symptoms of faulty fuel injectors. If ignored, fuel consumption will increase, and the engine may become difficult to start or run unevenly. The most significant risk is potential engine damage due to incomplete combustion or fuel washing the cylinder walls.

Installation Tip

Ensure the fuel system is properly bled of air after installation to prevent starting issues and ensure correct fuel pressure. Never reuse old copper sealing washers; always install new ones with each injector.

Service Note

Replace the fuel filter and inspect the fuel lines for any debris or damage when installing new fuel injectors.