CATEngine Parts

190-5851 Air Hose — Cat E312C 312C

This air hose is a critical component of the engine's air intake system, ensuring clean air is delivered for combustion. It is manufactured to meet stringent OEM quality standards, providing superior durability and resistance to heat and oil compared to worn or damaged hoses. A failing air hose may cause a noticeable drop in engine power, rough idling, or a check engine light due to unmetered air entering the system.

Air Hose – Part No 190-5851 – 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 TypeAir Intake Hose
MaterialReinforced Rubber Composite
ApplicationEngine Air Intake System
Service LifeInspect annually, replace as needed
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

A cracked or leaking air hose will first manifest as a loss of engine power and increased fuel consumption. If left unaddressed, the engine may begin to run rough, misfire, or experience overheating due to improper air-fuel mixture. Continued operation with a significant air leak can lead to premature turbocharger wear and internal engine damage.

Installation Tip

Ensure the mating surfaces on the air filter housing and turbocharger are clean and free of debris before installing the new hose. Do not overtighten the hose clamps, as this can damage the hose or the connection points.

Service Note

Inspect the air filter element and the turbocharger for any signs of damage or excessive wear when replacing the air hose.