CATEngine Parts

279-7861-10r-7657 Fuel Injection Pump — Cat 3066 320C

This is a high-pressure fuel injection pump, essential for delivering precisely metered fuel to the engine's combustion chambers. It is built to meet rigorous performance and durability standards, offering a reliable alternative to worn or malfunctioning original pumps. Operators might observe symptoms such as hard starting, rough idling, loss of engine power, or increased exhaust emissions when this pump begins to fail.

Fuel Injection Pump – Part No 279-7861-10r-7657 – 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 Injection Pump
MaterialHardened steel alloy
ApplicationFuel delivery system
Service LifeReplace based on performance and wear
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

Early indicators of a failing fuel injection pump include difficulty starting the engine or a noticeable drop in engine performance under load. If ignored, the engine may begin to run erratically, with rough idling and increased fuel consumption becoming apparent. Continued operation risks uneven cylinder firing and potential damage to other fuel system components.

Installation Tip

Ensure the fuel system is thoroughly purged of air after installation to prevent starting issues and ensure proper fuel delivery. Avoid introducing any contaminants into the fuel lines or pump during the installation process.

Service Note

Replace the fuel filter and inspect fuel lines for any signs of damage or blockage when servicing the injection pump.