CATEngine Parts

147-2991 Fuel Injector — Cat Engine 3034 3034C

This Fuel Injector is a precision-engineered component responsible for delivering a finely atomized spray of fuel into the engine's combustion chamber at the correct time and pressure. Manufactured to meet strict OEM specifications, it ensures optimal fuel atomization and combustion efficiency, unlike worn injectors that may cause poor spray patterns. Operators may experience rough idling, reduced engine power, increased exhaust smoke, or difficulty starting the engine when this injector fails.

Fuel Injector – Part No 147-2991 – 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 every 3,000-5,000 hrs or as needed
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

The first sign of a failing fuel injector is often a rough or uneven engine idle, accompanied by a noticeable loss of power. If left unaddressed, the injector may begin to leak fuel, causing increased exhaust smoke and poor fuel economy. Continued operation with a faulty injector can lead to cylinder washing, potential engine damage, and increased emissions.

Installation Tip

Ensure the injector bore in the cylinder head is meticulously clean before installing the new injector. Avoid lubricating the injector seal unless specified, as this can affect seating.

Service Note

Replace all fuel filters and inspect the fuel lines for any contamination or damage when servicing fuel injectors.