CATHydraulic Parts

1D4593 Cap Screw — Cat 320C 320D

This is a high-strength cap screw used for critical fastening applications within hydraulic systems and structural components. It is manufactured from premium steel alloys to meet stringent OEM specifications for tensile strength and fatigue resistance, ensuring secure connections. A loose or broken cap screw can lead to component misalignment, leaks, or structural failure.

Cap Screw – Part No 1D4593 – 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 TypeCap Screw
MaterialHardened Steel Alloy
ApplicationStructural and Hydraulic Component Fastening
Service LifeReplace if damaged, corroded, or during major component overhaul
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

A failing cap screw may initially show signs of loosening, indicated by vibration or slight movement in the connected components. If the screw fails completely, it can lead to rapid separation of joined parts, fluid leaks, or loss of structural integrity. The consequence is potential damage to surrounding components and operational downtime.

Installation Tip

Always clean the threads of both the screw and the tapped hole before installation to ensure proper engagement. Avoid reusing old cap screws that show any signs of stretching or thread damage.

Service Note

Inspect the mating surfaces of the components being fastened for flatness and damage before reassembly.