CATEngine Parts

157-4386 Turbo S300W049 Turbocharger — Cat Engine 3116

This S300W049 turbocharger is engineered to boost engine performance by forcing more air into the combustion chambers, resulting in increased horsepower and torque. It is built to meet OEM quality and durability standards, providing a reliable replacement for a worn or damaged unit. Operators might notice a significant loss of power, unusual noises from the engine, or excessive exhaust smoke as signs of a malfunctioning turbocharger.

Turbo S300W049 Turbocharger – Part No 157-4386 – 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 TypeTurbocharger Assembly
MaterialHigh-temperature Steel Alloy
ApplicationEngine Forced Induction System
Service LifeReplace based on performance and inspection
CompatibilityCAT 157-4386, BorgWarner S300W049
ConditionNew — OEM specification aftermarket

Failure Symptoms

A failing turbocharger often presents as a noticeable drop in engine power and responsiveness, particularly under load. Unusual whining or whistling sounds emanating from the engine bay are also common indicators. Continued operation can lead to increased oil consumption and potential damage to other engine components.

Installation Tip

Always prime the new turbocharger with clean engine oil before installation to ensure adequate lubrication from the first rotation. Avoid reusing the old oil feed and return line gaskets.

Service Note

Inspect the engine's air intake and exhaust systems for leaks, and ensure the engine oil and filter are changed.