CATHydraulic Parts

3N0515 Bushing — Cat 3306

This bushing is a vital component within Caterpillar engine and hydraulic systems, designed to reduce friction and wear between moving parts. Manufactured from durable, wear-resistant materials, it provides a smooth bearing surface that significantly outlasts a worn or scored bushing. Operators might observe increased engine noise, reduced hydraulic performance, or excessive play in connected components when this bushing begins to fail.

Bushing – Part No 3N0515 – CAT Spare Part
Part Specifications
BrandCAT
CategoryHydraulic 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

Flush hydraulic lines before fitting new components. Use only manufacturer-specified hydraulic fluid. Check O-rings and backup rings for correct orientation. Bleed air from system after installation.

Always consult the OEM service manual for model-specific torque values and procedures. WhatsApp our technical team if you need fitment guidance.

Part TypeBushing
MaterialBronze Alloy
ApplicationEngine/Hydraulic System Pivot Point
Service LifeReplace as needed or during engine overhaul
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

Initial signs of a failing bushing may include a faint knocking sound from the engine or a slight decrease in hydraulic system responsiveness. As wear progresses, these noises will become more pronounced, and significant play can develop, potentially leading to component misalignment and accelerated wear on adjacent parts.

Installation Tip

Ensure the bore is clean and free of any old material or burrs before attempting to press in the new bushing. Avoid using excessive force, which can distort the bushing or damage the housing.

Service Note

When replacing this bushing, inspect the corresponding shaft or pin for scoring, wear, or out-of-roundness.