CATHydraulic Parts

4478572 Excavators & Construction Equipment — Cat 416 420

This is a CAT Hydraulic Component, a general term for a part within the hydraulic system that performs a specific function, such as a valve, pump, or cylinder. It is manufactured to meet rigorous OEM standards for durability and precise operation, outperforming worn or degraded parts. Observable symptoms of failure can range from slow or jerky hydraulic movements to complete loss of hydraulic power, depending on the component's role.

Excavators & Construction Equipment – Part No 4478572 – 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 TypeHydraulic Component
MaterialSteel, Cast Iron, Seals
ApplicationVarious Hydraulic Circuits
Service LifeReplace based on inspection and performance
CompatibilityCAT 416, 420, 422, 426, 428, 430, 434
ConditionNew — OEM specification aftermarket

Failure Symptoms

A failing hydraulic component may initially cause subtle changes in hydraulic system performance, such as slight hesitation or reduced pressure. If left unaddressed, these issues can escalate to significant loss of hydraulic function, impacting the operation of critical equipment. Continued use risks damage to the hydraulic pump and other expensive system parts.

Installation Tip

Thoroughly clean the mounting surfaces and ensure all seals are properly seated before assembly to prevent leaks. Avoid using excessive force when tightening fittings, as this can damage threads or the component itself.

Service Note

Check the hydraulic fluid level and condition, and inspect hydraulic filters for debris when replacing any hydraulic component.