CATEngine Parts

326-4365 Fuel Injection Pump — Cat Engine C6 4

This fuel injection pump is essential for delivering precisely metered fuel to the engine cylinders under high pressure. Manufactured to meet rigorous OEM standards, it ensures optimal combustion efficiency and engine performance, unlike a worn pump that delivers inconsistent fuel flow. Operators may experience rough idling, loss of power, increased exhaust smoke, or difficulty starting the engine when this pump is failing.

Fuel Injection Pump – Part No 326-4365 – 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 and high-strength polymers
ApplicationFuel delivery system
Service LifeReplace based on performance issues or mileage
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

Early signs of a failing fuel injection pump include engine misfires, a noticeable decrease in fuel economy, and difficulty maintaining consistent idle speed. If left unaddressed, the pump's inconsistent fuel delivery will lead to reduced engine power and potential stalling. In severe cases, it can result in uneven cylinder operation and damage to other fuel system components.

Installation Tip

Ensure all fuel lines are thoroughly cleaned before installation to prevent debris from entering the new pump. Avoid overtightening fuel line fittings, which can strip threads or cause leaks.

Service Note

When replacing the fuel injection pump, it is highly recommended to replace the fuel filters and inspect the fuel injectors.