CATEngine Parts

323-5101-20r-6817 Dp310 Fuel Injection Pump — Cat D40 D50

This is a CAT Dp310 Fuel Injection Pump, a sophisticated component responsible for delivering pressurized fuel to the injectors at the correct timing and volume for combustion. It is engineered to meet precise flow and pressure specifications, ensuring consistent engine performance, unlike a worn pump that may deliver inconsistent fuel amounts. Operators may experience rough engine running, difficulty starting, a significant loss of power, or increased exhaust smoke when this pump begins to fail.

Dp310 Fuel Injection Pump – Part No 323-5101-20r-6817 – 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
MaterialSteel alloy, hardened components
ApplicationEngine fuel injection system
Service LifeReplace based on diagnostics and performance
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

The first noticeable symptom of a failing fuel injection pump is often a rough idle or a decrease in engine power. If ignored, this can lead to intermittent stalling, difficulty starting the engine, and excessive black smoke from the exhaust. The ultimate consequence is the inability to operate the equipment, resulting in significant downtime and potential damage to other engine components.

Installation Tip

Before installing the new pump, ensure the fuel system is thoroughly flushed to remove any contaminants that could damage the new unit. Always prime the fuel system correctly after installation to prevent air from entering the injection lines.

Service Note

When replacing the fuel injection pump, it is critical to replace the fuel filter and inspect the fuel lines for any signs of damage or blockage.