CATHydraulic Parts

1B4367 Cap Screw — Cat 320C 320D

This is a high-strength cap screw designed for critical fastening applications within heavy equipment. It is manufactured from premium-grade steel to meet rigorous tensile strength and durability requirements, far exceeding that of a worn or stripped fastener. Operators might notice loose components, unusual vibrations, or fluid leaks if this cap screw fails or is improperly installed.

Cap Screw – Part No 1B4367 – 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-tensile steel
ApplicationStructural and component fastening
Service LifeReplace if removed, damaged, or specified by maintenance schedule
CompatibilityCAT 320C, 320D, 323D, 325D, 329E
ConditionNew — CTP aftermarket replacement

Failure Symptoms

An improperly secured component due to a failing cap screw may initially cause minor rattling or vibration. If the screw loosens further, the component can shift, potentially leading to misalignment and increased wear on adjacent parts. The worst outcome is component detachment, risking damage to the equipment and surrounding structures.

Installation Tip

Always clean the threads of both the screw and the tapped hole before installation to ensure proper engagement. Avoid reusing old or damaged fasteners, as they may not hold the required torque.

Service Note

Inspect the mating surfaces and any associated washers or nuts for wear or damage when replacing this cap screw.