CATEngine Parts

10r-3255-386-1769 Fuel Injector — Cat 3508B 3512B

This fuel injector is responsible for precisely atomizing and delivering fuel into the engine's combustion chamber at the correct pressure and timing. Built to meet stringent OEM quality standards, it ensures optimal fuel combustion and engine efficiency, unlike a worn or faulty injector. Operators may experience rough idling, misfires, reduced power, or increased exhaust smoke when this injector begins to fail.

Fuel Injector – Part No 10r-3255-386-1769 – 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, ceramic nozzle
ApplicationEngine fuel injection system
Service LifeReplace as needed based on performance and diagnostics
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

A failing fuel injector may initially cause the engine to run slightly rough or exhibit intermittent misfires. If ignored, this can lead to a significant loss of engine power, increased fuel consumption, and excessive exhaust smoke. Prolonged operation with faulty injectors can result in uneven cylinder wear and potential damage to other engine components.

Installation Tip

Before installing, ensure the injector bore in the cylinder head is clean and free of any carbon deposits or debris. Avoid forcing the injector into place; it should seat smoothly.

Service Note

Inspect the fuel lines, fuel filter, and fuel pump for any contamination or wear when replacing fuel injectors.