CATHydraulic Parts

0S1592 Cap Screw — Cat 320C 320D

This is a cap screw, a critical fastener used to securely join components within various assemblies, including hydraulic systems. Manufactured from high-strength steel to meet stringent OEM specifications, it provides reliable clamping force and resists loosening under vibration, unlike worn or damaged fasteners. Operators may notice loose components, fluid leaks, or unusual noises if this cap screw fails or is improperly installed.

Cap Screw – Part No 0S1592 – 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
MaterialHigh-Strength Steel Alloy
ApplicationGeneral Assembly Fastening
Service LifeReplace if removed, damaged, or as specified in service manual
CompatibilityOEM specification
ConditionNew — Aftermarket replacement

Failure Symptoms

The initial sign of a failing cap screw might be a slight vibration or a minor fluid weep from a joint. If the screw loosens further, the vibration will increase, and leaks may become more pronounced, potentially leading to a loss of system pressure. Continued operation with a loose fastener risks the complete separation of components, causing significant fluid loss and potential damage to surrounding parts.

Installation Tip

Always clean the threads of both the screw and the tapped hole to ensure proper engagement and torque. Avoid using thread-locking compounds unless specifically recommended by the service manual for that particular application.

Service Note

Inspect the mating surfaces for damage and ensure all related fasteners are properly tightened to specification.