CATHydraulic Parts

1189004 Cylinder As — Cat 950G 950G II

This is a complete cylinder assembly, a vital component responsible for converting hydraulic fluid pressure into mechanical force to operate machine functions. Manufactured to meet rigorous standards, it offers durability and consistent performance, unlike a worn cylinder that may exhibit internal scoring or seal degradation. Operators may notice slow or jerky boom, bucket, or stick movements, or a complete loss of hydraulic function if this cylinder fails.

Cylinder As – Part No 1189004 – 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 Assembly
MaterialSteel, rubber seals
ApplicationHydraulic actuation system
Service LifeReplace as needed based on wear and performance
CompatibilityCTP aftermarket replacement for OEM
ConditionNew — CTP aftermarket replacement

Failure Symptoms

Initial signs of a failing cylinder assembly include sluggish or inconsistent operation of the hydraulic function it controls. If ignored, the cylinder may begin to leak internally or externally, leading to a significant loss of lifting capacity or movement speed. A severely damaged cylinder can result in the inability to operate critical machine functions, halting productivity.

Installation Tip

Before connecting hydraulic lines, cycle the new cylinder rod fully in and out to purge any air trapped within the cylinder. Ensure the rod seal is properly lubricated to prevent damage during initial installation.

Service Note

Inspect hydraulic hoses and fittings connected to the cylinder for leaks or wear, and check the hydraulic fluid for contamination.