CATEngine Parts

291-5911 Fuel Injector — Cat C15 C18

This is a CAT Fuel Injector for the C15 and C18 engines, responsible for precisely delivering fuel into the combustion chamber at the correct pressure and timing. Manufactured to meet stringent OEM standards, it ensures optimal fuel atomization and combustion efficiency, unlike worn injectors that may leak, clog, or spray fuel improperly. Operators may experience rough idling, reduced engine power, increased fuel consumption, or visible smoke from the exhaust when this injector fails.

Fuel Injector – Part No 291-5911 – 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 Alloy
ApplicationEngine Fuel System
Service LifeReplace as needed based on performance testing
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

A failing fuel injector may initially cause noticeable engine misfires or a rough idle. If not addressed, this can lead to increased exhaust emissions, poor fuel economy, and potential damage to other engine components due to uneven combustion.

Installation Tip

Ensure the injector bore in the cylinder head is meticulously clean and free of any carbon deposits before installation. Do not reuse old copper sealing washers; always use new ones for a proper seal.

Service Note

Inspect the fuel lines and fuel filter for any contamination or blockages when replacing a fuel injector.