CATHydraulic Parts

0S1619 Cap Screw — Cat 320C 320D

This is a high-strength Cap Screw, a critical fastener used to secure components within the hydraulic system and other machine assemblies. Manufactured to meet precise OEM specifications, it offers superior tensile strength and corrosion resistance compared to worn or damaged bolts. Operators may notice loose components, fluid leaks, or unusual vibrations if this cap screw fails or is improperly installed.

Cap Screw – Part No 0S1619 – 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 TypeHex Head Cap Screw
MaterialHardened Alloy Steel
ApplicationComponent Fastening
Service LifeReplace as needed based on inspection
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

The initial sign of a failing cap screw might be a slight loosening of the component it secures, potentially leading to minor operational inconsistencies. If ignored, the screw can work itself completely loose, causing the attached part to shift or detach, resulting in leaks or reduced performance. The worst consequence is the potential for the unsecured component to cause damage to surrounding systems or create a safety hazard.

Installation Tip

Always clean the threaded hole and the screw threads to ensure proper engagement and torque. Avoid over-tightening, which can strip the threads or break the screw.

Service Note

Inspect the condition of the components being fastened and their mating surfaces for wear or damage when replacing cap screws.