1W3729 Cartridge A Fits Caterpillar Models
1W3729 Cartridge A Fits Caterpillar Models
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One New Aftermarket Replacement Turbocharger Cartridge for Caterpillar (Cat) 3406 Series Engines and Generator Sets
This aftermarket replacement turbocharger cartridge (CHRA - Center Housing Rotating Assembly) fits Caterpillar 3406, 3406B, and 3406C diesel engines used in industrial power generation and engine applications. The cartridge is the core rotating assembly of the turbocharger, housing the turbine shaft, compressor wheel, and bearings, and is a key component in restoring turbocharger performance without replacing the full housing assembly.
Specifications
- Length: 337.8 mm
- Width: 256.5 mm
- Height: 256.5 mm
- Weight: 11.07 kg
Compatible Models
Caterpillar Engine - Industrial / Generator Set: 3406, 3406B, 3406C
Caterpillar Generator: SR4
Note: Caterpillar turbocharger cartridges are engine-configuration-specific. Verify fitment against your engine serial number and existing turbocharger part number before ordering.
Replaces Part Number(s):
1W3729, 1W-3729
Aftermarket Interchange Numbers
0R5759, 0R-5759, 179601, 187166, 1W3728, 1W-3728
New aftermarket replacement part - not remanufactured, not used.



