CATEngine Parts

294-1778 Hose — Cat 312D 313D

This is a high-pressure fluid conduit designed to transfer essential fluids within the engine system. It is manufactured to meet stringent Caterpillar material and dimensional standards, ensuring superior durability compared to a worn or leaking hose. A failing hose may present as visible external leaks, a persistent engine fluid smell, or a gradual loss of fluid levels.

Hose – Part No 294-1778 – 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 TypeHose
MaterialReinforced Rubber Composite
ApplicationEngine Fluid Transfer
Service LifeReplace every 2,000 hrs or as needed
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

Visible fluid leaks around the hose connection points or along its length are the first indication of a problem. If ignored, these leaks will worsen, leading to significant fluid loss and potential overheating or lubrication issues. Continued operation with a compromised hose risks severe engine damage due to insufficient fluid levels.

Installation Tip

Ensure all mating surfaces are clean and free of debris before installing new hose fittings. Overtightening hose clamps can damage the hose material, leading to premature failure.

Service Note

Inspect adjacent hoses, clamps, and fluid lines for signs of wear or damage during replacement.