CATEngine Parts

2w-1953 Turbo To4B91 Turbocharger — Cat 950E 950B

This is a turbocharger unit designed to force compressed air into the engine cylinders, increasing power output and efficiency for specific Caterpillar 3304 engines. It utilizes exhaust gases to spin a turbine, which in turn drives a compressor. Symptoms of a failing turbocharger include a noticeable loss of engine power, excessive smoke from the exhaust, and unusual whining or whistling noises during operation.

Turbo To4B91 Turbocharger – Part No 2w-1953 – 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.

WhatsApp for Price & Availability☎ Call Mumbai Office

Parts Trading Company  ·  Mumbai, Est. 1956  ·  Same-day dispatch  ·  Ships worldwide  ·  GST invoice included

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Related CAT Parts

From the same category — may also be needed

344-7392
Pressure Sensor
2889943
Piston As
6t-9519
Excavators & Dozers
442-0106
Hydraulic And Transmission Filter
4V9804
Plate
148-4632-1484632
Sun Gear 148 4632

Browse all CAT Engine Parts →

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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, aluminum alloy
ApplicationEngine forced induction system
Service LifeReplace if performance degrades or damage occurs
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

A significant reduction in engine power, especially under load, is a primary indicator of turbocharger failure. You may also observe excessive black or blue smoke from the exhaust and hear loud whistling or siren-like noises. Continued operation can lead to further internal engine damage due to lack of performance and potential component disintegration.

Installation Tip

Thoroughly flush the engine's oil supply and return lines before installing the new turbocharger to remove any debris that could damage the unit. Ensure the exhaust manifold is clean and free of carbon buildup.

Service Note

Inspect the air filter and intake piping for restrictions or damage, and check the exhaust system for leaks.