CATEngine Parts

116-7150 Fuel Injector — Cat 3126

This fuel injector precisely meters and atomizes diesel fuel into the combustion chamber, ensuring efficient and complete combustion for optimal engine power and fuel economy. Manufactured to meet strict OEM performance standards, it delivers a consistent spray pattern superior to a worn injector that may leak or deliver fuel unevenly. Operators may notice rough idling, decreased engine power, increased exhaust smoke, or difficulty starting the engine when this component begins to fail.

Fuel Injector – Part No 116-7150 – 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, Brass
ApplicationEngine Fuel System
Service LifeReplace based on performance issues or overhaul schedule
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

Initial symptoms of a failing fuel injector include rough engine idling, a noticeable loss of power, and increased black smoke from the exhaust. If the issue progresses, the engine may become difficult to start, and fuel economy will significantly decrease. Continued operation with faulty injectors can lead to incomplete combustion, potential engine misfires, and increased emissions.

Installation Tip

Ensure the injector mounting bore in the cylinder head is perfectly clean and free of any carbon buildup or debris to guarantee a proper seal. Do not reuse old copper sealing washers; always install new ones with each injector.

Service Note

When replacing fuel injectors, it is recommended to inspect the fuel lines for leaks and check the fuel filter for any signs of contamination.