CATEngine Parts

283-6179 Bucket Cylinder Seal Kit — Cat

This is a bucket cylinder seal kit, essential for maintaining hydraulic pressure and preventing fluid leaks within the excavator's bucket actuation system. It is manufactured with durable materials to withstand high pressures and abrasive conditions, unlike a worn seal that allows hydraulic fluid to escape. Operators may experience slow or jerky bucket movements, loss of lifting capacity, or visible hydraulic fluid leaks around the cylinder rod when this kit fails.

Bucket Cylinder Seal Kit – Part No 283-6179 – 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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Parts Trading Company  ·  Mumbai, Est. 1956  ·  Same-day dispatch  ·  Ships worldwide  ·  GST invoice included

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Full shipping information on regional pages · Air freight 2–12 days · GST invoice for India

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 TypeBucket Cylinder Seal Kit
MaterialNBR rubber, polyurethane
ApplicationExcavator bucket cylinder
Service LifeReplace every 2,000 hrs or as needed
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

The first sign of seal failure is often a slow or weak response from the bucket cylinder, or visible hydraulic fluid leakage. Over time, the cylinder may drift under load, leading to reduced digging force and control. Continued operation risks significant hydraulic system contamination and potential cylinder damage.

Installation Tip

Carefully clean the cylinder bore and rod to remove any debris that could damage the new seals. Ensure all seals are lubricated with compatible hydraulic fluid before installation to prevent tearing.

Service Note

Inspect the hydraulic fluid for contamination and check the condition of the cylinder rod for any scoring or pitting.