CATEngine Parts

368-9040 Hp4 Common Rail Fuel — Cat 1106D

This is a high-pressure common rail fuel injection pump, a critical component of the engine's fuel system. It precisely meters and pressurizes fuel to the injectors, ensuring optimal combustion and performance, meeting stringent OEM standards for durability and flow. A failing pump may cause rough idling, loss of power, or difficulty starting, often accompanied by audible knocking or whining sounds from the engine.

Hp4 Common Rail Fuel – Part No 368-9040 – 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 TypeCommon Rail Fuel Injection Pump
MaterialHardened Steel Alloy
ApplicationEngine Fuel System
Service LifeReplace every 5,000 hrs or as needed
CompatibilityCAT C6, C7, 1106D, Perkins Vista
ConditionNew — OEM specification aftermarket

Failure Symptoms

The first sign of a failing common rail fuel pump is often a noticeable decrease in engine power or rough idling. If ignored, the engine may become increasingly difficult to start, eventually leading to complete engine shutdown. Continued operation with a faulty pump risks severe engine damage due to improper fuel delivery.

Installation Tip

Ensure the fuel system is completely clean before installation to prevent contamination of the new pump. Avoid overtightening fuel line connections, as this can strip threads or damage seals.

Service Note

Always replace the fuel filter when replacing the common rail fuel pump to prevent contamination.