CATEngine Parts

215-9994 Boom Cylinder Seal Kit — Cat 3196 365Bl

This is a seal kit designed to replace worn seals within the boom cylinder of CAT equipment, ensuring proper hydraulic function and preventing fluid leaks. It is manufactured to meet stringent OEM standards, providing a reliable seal that prevents contamination and maintains optimal hydraulic pressure, unlike degraded seals that allow fluid loss and ingress of debris. Operators may notice a gradual loss of boom control, slow or jerky movement, or visible hydraulic fluid leaks around the cylinder when this seal kit has failed.

Boom Cylinder Seal Kit – Part No 215-9994 – 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 TypeHydraulic Cylinder Seal Kit
MaterialNBR rubber, PTFE, Polyurethane
ApplicationBoom Cylinder
Service LifeReplace as needed based on inspection or symptoms
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

Initial signs of a failing boom cylinder seal kit include a slight sluggishness in boom operation or minor hydraulic fluid seepage. If left unaddressed, the leakage will worsen, leading to reduced hydraulic system pressure and slower, less responsive boom movements. Continued operation with severely degraded seals risks significant hydraulic fluid loss and potential damage to other hydraulic components.

Installation Tip

Ensure the cylinder rod and bore are meticulously clean before installing new seals to prevent premature wear. Avoid using sharp tools that could nick or scratch the sealing surfaces during the installation process.

Service Note

Inspect the cylinder rod for scoring or damage and clean the hydraulic fluid reservoir for any debris when replacing the boom cylinder seal kit.