1W3898 Housing Turbine Fits Caterpillar Models
1W3898 Housing Turbine Fits Caterpillar Models
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One New Aftermarket Replacement Turbine Housing for Caterpillar (Cat) 3408 / 3408C / 3408E Engines
This aftermarket replacement turbine housing fits the 4MFW series turbocharger used on Caterpillar diesel-powered construction and earthmoving equipment equipped with 3408, 3408B, 3408C, and 3408E engines. The turbine housing routes exhaust gases through the turbocharger turbine wheel and is a critical structural component of the turbocharger assembly. A cracked, eroded, or warped turbine housing causes boost loss, exhaust leaks, and accelerated turbocharger failure.
Specifications
- Turbine Housing A/R Ratio: 5.50
- Turbocharger Series: 4MFW (Turbo Model 4MFW-731)
- Engine Application: Caterpillar 3408, 3408B, 3408C, 3408E
Compatible Models
Caterpillar Wheel Tractor-Scrapers: 631D, 633D, 637D, 639D
Caterpillar Off-Highway Trucks: 769C, 771C
Caterpillar Wheel Dozers: 834B
Caterpillar Tractor/Power Shift: 768C
Caterpillar Cold Planers: PM-565
Caterpillar Generator Set Engines: 3408B
Replaces Part Number(s):
1W3898, 1W-3898
Aftermarket Interchange Numbers
187026
New aftermarket replacement part - not remanufactured, not used.



