CATEngine Parts

315-9721-20r-4005 Turbo Gt25 Turbocharger — Cat 3054C 416E

This Turbo GT25 Turbocharger is a vital engine component that uses exhaust gases to spin a turbine, which in turn drives a compressor to force more air into the engine cylinders, increasing power output. Built to exacting standards, it ensures optimal boost pressure and efficiency, unlike a worn turbocharger that can lead to reduced engine performance and increased emissions. Operators may notice a significant loss of engine power, excessive black smoke from the exhaust, or a whining noise from the turbocharger when it begins to fail.

Turbo Gt25 Turbocharger – Part No 315-9721-20r-4005 – 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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Parts Trading Company  ·  Mumbai, Est. 1956  ·  Same-day dispatch  ·  Ships worldwide  ·  GST invoice included

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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
MaterialCast iron, steel alloy
ApplicationEngine turbocharging system
Service LifeReplace as needed based on performance and inspection
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

A failing turbocharger typically first manifests as a noticeable reduction in engine power and acceleration. You may also observe excessive blue or black smoke from the exhaust, indicating oil burning or incomplete combustion. A distinct high-pitched whining or siren-like noise from the turbo area is another common symptom, and if left unaddressed, can lead to complete turbo failure and severe engine damage.

Installation Tip

Always prime the new turbocharger with clean engine oil before installation to ensure lubrication upon initial startup. Verify that the oil supply line is clean and free of debris to prevent immediate failure.

Service Note

When replacing the turbocharger, inspect the intercooler for leaks or blockage and check the exhaust manifold for cracks.