CATEngine Parts

387-9426 6 Pcs Fuel Injector — Cat

This set of six fuel injectors is designed to precisely meter and atomize fuel into the combustion chambers of Caterpillar C7 engines, ensuring optimal power and efficiency. Manufactured to strict OEM standards, these injectors offer reliable performance and durability that surpasses worn or clogged original units. Operators may experience rough idling, reduced engine power, increased exhaust emissions, or difficulty starting when these fuel injectors begin to fail.

6 Pcs Fuel Injector – Part No 387-9426 – 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 (6 pcs)
MaterialHigh-grade steel and brass
ApplicationFuel injection system
Service LifeReplace as needed based on performance testing
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

Early signs of injector failure include rough idling, misfires, and a noticeable decrease in engine power. If ignored, fuel economy will worsen, exhaust smoke may become excessive, and the engine may struggle to start or run smoothly under load. Continued operation risks damage to pistons and cylinder walls due to improper combustion.

Installation Tip

Ensure the injector seats in the cylinder head are perfectly clean and free of carbon deposits before installation. Always use new sealing washers and tighten injectors to the manufacturer's specified torque.

Service Note

When replacing fuel injectors, it is crucial to inspect the fuel filter, fuel lines, and the engine's ECM for any related issues.