CATEngine Parts

268-1835 Fuel Injector — Cat 325D 329D

This is a precision fuel injector, a vital component within the engine's fuel delivery system responsible for atomizing and spraying diesel fuel directly into the combustion chamber. It ensures precise fuel metering for efficient combustion, differing from a worn injector by providing a consistent spray pattern and accurate fuel volume. Operators may experience rough engine running, increased exhaust smoke, a loss of engine power, or poor fuel economy when this injector fails.

Fuel Injector – Part No 268-1835 – 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 alloy
ApplicationEngine fuel injection system
Service LifeReplace based on performance or 5,000-10,000 hours
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

A failing fuel injector often presents as rough engine idling and a noticeable loss of power. If left unaddressed, the engine may begin to misfire, leading to increased exhaust emissions and poor fuel efficiency. Continued operation with faulty injectors can cause uneven cylinder wear and potential damage to other engine components.

Installation Tip

Ensure the injector bore in the cylinder head is perfectly clean and free of carbon deposits before installing the new injector. Avoid using excessive force when seating the injector, as this can damage the sealing surfaces.

Service Note

When replacing a fuel injector, it is recommended to inspect the fuel lines for leaks and replace the fuel filter.