CATHydraulic Parts

413-419 35Vq38 Hydraulic Pump Cartridge — Cat

This is a high-performance hydraulic pump cartridge, also known as a rotating group, designed for specific Caterpillar hydraulic systems. It is engineered to meet stringent OEM quality standards, ensuring precise fluid displacement and efficient operation, which is crucial for system responsiveness and power. Operators may experience a noticeable decrease in hydraulic system performance, such as sluggish implement movement or reduced lifting capacity, when this cartridge begins to wear.

35Vq38 Hydraulic Pump Cartridge – Part No 413-419 – 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 Pump Cartridge (Rotating Group)
MaterialHardened Steel and Bronze Alloys
ApplicationVariable displacement hydraulic pump
Service LifeReplace based on pump performance testing
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

The primary symptom of a worn hydraulic pump cartridge is a gradual reduction in system pressure and flow, leading to slower or weaker hydraulic functions. If ignored, internal wear will worsen, causing increased internal leakage and significantly diminished pump efficiency, potentially leading to overheating and damage to other hydraulic components. Continued operation can result in a complete loss of hydraulic power, rendering the equipment inoperable.

Installation Tip

Carefully align the cartridge components during installation to ensure proper meshing of gears or swashplate engagement; misalignment can cause immediate damage. Do not reuse old seals or O-rings; always install new ones to prevent leaks.

Service Note

Inspect the hydraulic fluid for signs of wear particles and check the hydraulic filter condition when replacing the pump cartridge.