CATBearing & Bushing

8J4411 Cylinder Gp-Stick — Cat 215 215b

This Cylinder Group-Stick is a vital hydraulic actuator responsible for converting hydraulic pressure into linear motion to operate machine functions like boom or bucket movement. It is engineered to meet Caterpillar's robust standards for durability and performance, ensuring reliable operation compared to a worn or damaged cylinder. Operators may observe slow or erratic hydraulic function, or a loss of lifting capacity when this cylinder group is failing.

Cylinder Gp-Stick – Part No 8J4411 – CAT Spare Part
Part Specifications
BrandCAT
CategoryBearing & Bushing
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.

WhatsApp for Price & Availability☎ Call Mumbai Office

Parts Trading Company  ·  Mumbai, Est. 1956  ·  Same-day dispatch  ·  Ships worldwide  ·  GST invoice included

T.', };

Related CAT Parts

From the same category — may also be needed

4K3128
Bearing
8N9023- 040
Main Bearing
8J1620
Bearing
2V0394
Bearing
0009262
8B6511
3g1076
Bearing

Browse all CAT Bearing Bushing →

Installation & Application Notes

Never strike bearings directly — use a bearing press or driver set. Heat housing (not bearing) to ease installation. Replace bearings in sets where applicable. Check housing bore diameter before fitting — out-of-round bores destroy new bearings.

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
MaterialSteel, Rubber, Bronze
ApplicationHydraulic system - Stick cylinder
Service LifeReplace as needed based on inspection
CompatibilityOEM specification
ConditionNew — CTP aftermarket replacement

Failure Symptoms

Early signs of a failing stick cylinder may include slow or jerky arm movement, or a slight drift when holding a position. If unaddressed, the cylinder may lose significant force, leading to an inability to lift heavy loads or maintain position under pressure. This can compromise the machine's operational capability and safety.

Installation Tip

Thoroughly flush the hydraulic system to remove any contaminants before installing the new cylinder. Ensure all hydraulic lines are correctly connected and free of kinks.

Service Note

Inspect hydraulic hoses, fittings, and the hydraulic pump for any signs of wear or leaks that could affect the new cylinder's performance.