CATEngine Parts

1589093 Stick Cylinder Seal Kit — Cat 322C Engine 3126B 3126

This CAT Stick Cylinder Seal Kit is designed to replace worn or leaking seals within the hydraulic stick cylinder of Caterpillar equipment. Manufactured to OEM standards, it ensures proper sealing and hydraulic function, unlike a damaged seal that allows fluid to escape and contaminants to enter. Operators may notice slow or jerky boom movements, or visible hydraulic fluid leaks from the cylinder rod when this seal kit fails.

Stick Cylinder Seal Kit – Part No 1589093 – 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 TypeHydraulic Cylinder Seal Kit
MaterialNBR Rubber, Polyurethane
ApplicationStick Cylinder Hydraulic System
Service LifeReplace as needed based on inspection or leakage
CompatibilityOEM specification
ConditionNew — OEM specification

Failure Symptoms

The first sign of a failing stick cylinder seal kit is often a visible hydraulic fluid leak around the cylinder rod or sluggish operation of the stick. If ignored, this can lead to a significant loss of hydraulic power, making the equipment difficult to operate. Continued use risks internal cylinder damage and potential contamination of the entire hydraulic system.

Installation Tip

Carefully clean the cylinder bore and rod before installing the new seals to prevent damage. Ensure all seals are oriented correctly according to the installation diagram to prevent immediate leakage.

Service Note

Inspect the cylinder rod for any scoring or pitting, as this can cause premature failure of the new seals.