CATBearing & Bushing

1646560 Piston Body — Cat 120G 12G

This Piston Body is a critical component within hydraulic cylinders, responsible for sealing and directing hydraulic fluid flow to actuate the cylinder rod. Manufactured to precise dimensions and material specifications, it ensures optimal sealing performance and durability, unlike a worn or damaged piston body that can lead to leaks. Operators may observe a loss of hydraulic power, slow or jerky cylinder movement, or external fluid leaks when this part is failing.

Piston Body – Part No 1646560 – 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.

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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 TypePiston Body
MaterialSteel alloy
ApplicationHydraulic cylinder
Service LifeReplace when cylinder performance degrades
CompatibilityOEM specification
ConditionNew — CTP aftermarket replacement

Failure Symptoms

Early indications of a failing piston body include a noticeable decrease in lifting or pushing force and slow response times. If not addressed, internal or external hydraulic fluid leaks will become more pronounced, leading to system inefficiency and potential component overheating. Continued operation risks significant damage to the hydraulic cylinder and surrounding structures.

Installation Tip

Thoroughly clean the cylinder bore and piston rod before attempting installation to prevent scoring. Ensure the new piston body is correctly oriented and seated before tightening cylinder components.

Service Note

Inspect the cylinder seals, rod, and bore for wear or damage; consider replacing seals concurrently.