CATEngine Parts

3294510 Body As-Piston — Cat 772

This piston body is a core component of a hydraulic cylinder, housing the piston seal and guiding its movement within the cylinder bore. It is precision-machined to ensure smooth operation and prevent internal leakage, maintaining hydraulic system pressure and efficiency. A worn or damaged piston body can lead to reduced lifting capacity, slow cylinder movement, or hydraulic fluid leaks. Observable symptoms include sluggish operation of the hydraulic function, external fluid leaks from the cylinder, or a loss of system pressure.

Body As-Piston – Part No 3294510 – 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 TypePiston Body
MaterialSteel alloy
ApplicationHydraulic cylinder assembly
Service LifeReplace if scored, worn, or damaged
CompatibilityOEM specification
ConditionNew — CTP aftermarket replacement

Failure Symptoms

The first indication of a faulty piston body may be a gradual loss of hydraulic force or speed in the affected cylinder. If ignored, internal leaks can worsen, leading to increased fluid consumption and potentially overheating of the hydraulic system. Continued operation risks significant performance degradation and potential damage to other hydraulic components.

Installation Tip

Carefully inspect the cylinder bore for any scratches or imperfections before installing the new piston body. Ensure the piston seals are correctly oriented and lubricated to prevent damage during installation.

Service Note

Replace the piston seals, rod seals, and wiper seals whenever the hydraulic cylinder is disassembled for piston body replacement.