CATEngine Parts

1052585 Boom Cylinder Seal Kit — Cat 322 322L

This is a CAT Boom Cylinder Seal Kit, a comprehensive set of seals and O-rings designed to restore the sealing integrity of the hydraulic boom cylinder. It is manufactured using high-quality materials to withstand high pressures and temperatures, ensuring leak-free operation, unlike a worn or damaged seal that leads to hydraulic fluid loss. Operators will typically observe a slow or jerky boom movement, or external hydraulic fluid leaks around the cylinder rod if the seal kit has failed.

Boom Cylinder Seal Kit – Part No 1052585 – 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, Polyurethane
ApplicationHydraulic Boom Cylinder
Service LifeReplace as needed due to leaks or performance degradation
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

The first sign of a failing boom cylinder seal kit is often a visible hydraulic fluid leak from the cylinder rod or casing. This can progress to sluggish or erratic boom operation, and a loss of lifting capacity. Continued operation with leaking seals can lead to system contamination and potential damage to the hydraulic pump and other components.

Installation Tip

Thoroughly clean the cylinder bore and rod before installing new seals to prevent damage from debris. Ensure all seals are oriented correctly according to the manufacturer's specifications to guarantee proper function.

Service Note

When replacing the boom cylinder seals, inspect the cylinder rod for scoring or damage and check the hydraulic fluid for contamination.