CATHydraulic Parts

w043100220-5386677 Air Boosting Pump — Cat Sem 650B Zl50F

This Air Boosting Pump is an essential component for the engine's air intake system, responsible for increasing air pressure to improve combustion efficiency. It is manufactured to meet stringent Caterpillar standards, ensuring reliable operation and longevity over worn or faulty pumps. Operators may notice a loss of engine power, increased exhaust smoke, or a whistling sound from the engine bay if this pump is malfunctioning.

Air Boosting Pump – Part No w043100220-5386677 – CAT Spare Part
Part Specifications
BrandCAT
CategoryHydraulic 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

Flush hydraulic lines before fitting new components. Use only manufacturer-specified hydraulic fluid. Check O-rings and backup rings for correct orientation. Bleed air from system after installation.

Always consult the OEM service manual for model-specific torque values and procedures. WhatsApp our technical team if you need fitment guidance.

Part TypeAir Boosting Pump
MaterialAluminum alloy and steel
ApplicationEngine air intake system
Service LifeReplace based on performance and inspection
CompatibilityCAT Sem 650B Zl50F
ConditionNew — OEM specification aftermarket

Failure Symptoms

The first sign of a failing Air Boosting Pump is often a reduction in engine power or responsiveness. If left unaddressed, this can lead to increased fuel consumption, excessive exhaust smoke, and potential engine overheating. Continued operation with a faulty pump can cause premature wear on other engine components due to inefficient combustion.

Installation Tip

Thoroughly clean the mounting surfaces and ensure all gaskets and seals are correctly positioned before installation. Avoid overtightening the mounting bolts, which can warp the pump housing.

Service Note

Inspect the air intake hoses and intercooler for leaks or damage, and check the air filter condition when replacing the boosting pump.