CATHydraulic Parts

2359831 Cylinder Gp- Stick — Cat 424D 428D

This is a Cylinder Group - Stick, a vital part of the hydraulic system responsible for actuating the machine's boom and stick. Manufactured to meet rigorous quality standards, it offers superior resilience and longevity over worn or damaged cylinders. Operators might observe a loss of lifting capacity, slow or jerky stick movement, or hydraulic fluid leaks around the cylinder rod when this part is failing.

Cylinder Gp- Stick – Part No 2359831 – 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 TypeCylinder Group - Stick
MaterialHardened steel, NBR seals
ApplicationStick actuation (excavator boom)
Service LifeReplace as needed based on inspection
Compatibility424D, 428D, 432D, 442D
ConditionNew — CTP aftermarket replacement

Failure Symptoms

Early failure may manifest as a slight drift in the stick position or a faint squealing noise during operation. If ignored, the cylinder will likely experience increased leakage, slower actuation, and reduced breakout force. Continued use risks hydraulic system contamination and potential damage to the hydraulic pump.

Installation Tip

Ensure the cylinder rod is clean and free of burrs before installation to prevent damage to new seals. Avoid forcing the cylinder onto its mounting pins, which can misalign the rod and cause binding.

Service Note

Inspect the hydraulic lines and fittings connected to the cylinder for leaks or damage, and check the hydraulic fluid level and condition.