CATEngine Parts

172-4388 Fuel Transfer Pump — Cat 3116 3126

This is a fuel transfer pump responsible for delivering fuel from the tank to the injection system at the correct pressure. It is manufactured to meet stringent quality standards, ensuring consistent fuel delivery and engine performance, unlike a worn pump that can cause fuel starvation or inconsistent pressure. Operators may observe engine stalling, difficulty starting, or a noticeable loss of power when this fuel transfer pump begins to fail.

Fuel Transfer Pump – Part No 172-4388 – 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 Transfer Pump
MaterialAluminum alloy and rubber seals
ApplicationFuel delivery system
Service LifeReplace based on performance and inspection
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

Initial symptoms of a failing fuel transfer pump may include intermittent engine sputtering or difficulty maintaining idle speed. If the problem persists, the engine may experience complete stalling during operation or fail to start altogether due to insufficient fuel supply. Continued operation risks engine shutdown and potential damage to other fuel system components.

Installation Tip

Ensure all fuel lines are properly connected and free of kinks before installing the new pump. Bleed the fuel system thoroughly after installation to remove any air pockets.

Service Note

Inspect the fuel filter and fuel lines for any debris or restrictions when replacing the fuel transfer pump.