CATEngine Parts

518-5136 Bucket Cylinder Seal Kit — Cat C13 352F

This is a Bucket Cylinder Seal Kit designed to maintain hydraulic pressure and prevent contamination within the bucket cylinder assembly of CAT equipment. It is manufactured to meet stringent OEM quality standards, ensuring superior sealing performance compared to worn or damaged seals that lead to leaks and reduced operational efficiency. Operators may notice slow or jerky bucket movements, visible hydraulic fluid leaks around the cylinder, or a loss of lifting power when this seal kit fails.

Bucket Cylinder Seal Kit – Part No 518-5136 – 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, and metal components
ApplicationBucket Cylinder Hydraulic System
Service LifeReplace as needed based on inspection
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

Initial signs of failure include a slight decrease in bucket breakout force or slow cylinder retraction. If ignored, the leakage will worsen, leading to sluggish hydraulic performance and potential overheating of the hydraulic system. Continued operation with severely degraded seals can result in significant hydraulic system contamination and damage to cylinder components.

Installation Tip

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

Service Note

Inspect the cylinder rod for scoring and the cylinder bore for wear during seal replacement.