CATEngine Parts

338-6687 Pressure Hydraulic Hose Assembly — Cat C18

This pressure hydraulic hose assembly is a vital conduit within the hydraulic system, responsible for transmitting high-pressure fluid to operate actuators and components. It is constructed with reinforced materials to withstand extreme pressures and flexing, ensuring reliable operation unlike a worn hose that may develop leaks or burst. Operators may experience sluggish hydraulic functions, loss of hydraulic power, or visible fluid leaks if this hose assembly fails.

Pressure Hydraulic Hose Assembly – Part No 338-6687 – CAT Spare Part
Part Specifications
BrandCAT
CategoryEngine 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

Inspect mating surfaces for wear before fitting. Use torque specs from service manual. Replace gaskets and seals as a set — reusing compressed gaskets causes oil leaks. Clean all oil passages with compressed air.

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

Part TypeHydraulic Hose Assembly
MaterialReinforced rubber and steel braiding
ApplicationHigh-pressure hydraulic circuit
Service LifeReplace based on inspection and operating hours
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

The initial symptom of a failing hydraulic hose assembly is often a gradual decrease in the speed or power of hydraulic functions. If ignored, the hose may develop external leaks, leading to a significant loss of hydraulic fluid and system pressure. A catastrophic hose rupture can cause sudden loss of hydraulic control and potential damage to surrounding components.

Installation Tip

Before connecting the new hose, ensure all mating ports are clean and free of debris to prevent internal contamination of the hydraulic system. Avoid twisting the hose during installation, as this can restrict flow and lead to premature failure.

Service Note

Inspect all other hydraulic hoses, fittings, and the hydraulic fluid level for any signs of leaks or contamination when replacing this assembly.