CATEngine Parts

198-8726 Turbo S300G Turbocharger — Cat 3126 3126B

This S300G turbocharger is a critical component that forces compressed air into the engine cylinders, significantly increasing power and efficiency. Manufactured to precise specifications, it ensures optimal boost pressure and longevity, unlike a worn turbo that may produce insufficient boost or fail mechanically. Operators may notice a significant loss of engine power, excessive black smoke from the exhaust, or unusual noises from the turbocharger when it begins to fail.

Turbo S300G Turbocharger – Part No 198-8726 – 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
MaterialHigh-temperature steel alloys
ApplicationEngine intake system
Service LifeReplace based on performance or inspection, typically 5,000-8,000 hours
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

The first sign of a failing turbocharger is often a noticeable reduction in engine power and responsiveness, accompanied by increased exhaust smoke. As the issue progresses, the turbo may produce a whining or siren-like noise, and oil consumption may increase due to seal failure. Continued operation risks catastrophic turbocharger failure, potentially causing severe damage to the engine.

Installation Tip

Ensure the engine oil is clean and at the correct level before installation, and pre-lube the turbocharger bearings by rotating the shaft manually. Verify that all intake and exhaust connections are sealed properly to prevent boost leaks.

Service Note

Inspect the engine air filter and intake plumbing for restrictions or damage, and check the engine oil for contamination when replacing the turbocharger.