CATHydraulic Parts

1324928 Cylinder As — Cat 12H 12H ES

This cylinder assembly is a key actuator in the machine's hydraulic system, converting fluid pressure into linear mechanical force to move components like booms, buckets, or steering mechanisms. It is built with robust seals and precision-machined rods and barrels to ensure smooth, leak-free operation, unlike a worn cylinder that may leak fluid or bind. Operators might notice slow or weak hydraulic movements, external fluid leaks around the cylinder, or a loss of holding pressure.

Cylinder As – Part No 1324928 – 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 Cylinder Assembly
MaterialSteel, Hardened Seals
ApplicationHydraulic Actuation System
Service LifeReplace based on seal condition and rod scoring
CompatibilityOEM specification
ConditionNew — CTP aftermarket replacement

Failure Symptoms

The first indication of a faulty cylinder is often a visible hydraulic fluid leak from the rod seal or barrel. This can progress to sluggish or inconsistent operation of the cylinder's function, and a reduced ability to hold loads. If left unaddressed, a severe internal leak can lead to a complete loss of function for the attached implement, potentially causing the machine to lose stability or control.

Installation Tip

Before installing, carefully inspect the cylinder rod for any nicks or scratches that could damage the new seals. Ensure the cylinder is fully retracted or extended as per service manual instructions before connecting hydraulic lines.

Service Note

Inspect hydraulic hoses connected to the cylinder for wear or leaks, and check the hydraulic fluid for signs of contamination during cylinder replacement.