Description
This genuine Holset HX40W turbocharger is engineered for heavy-duty diesel applications, delivering reliable boost control, durability, and efficiency. It is commonly fitted to Cummins and Komatsu engines.
Holset Part Number: 4043694H
OEM Cross References:
Holset: 4043694 / 4045277 / 4039615 / 4039613 / 4033205
Cummins: 4955930 / 4955930RX, 4089920 / 4089920RX
Komatsu: 6745-81-8030
Applications
Engines: Cummins QSL, ISL, and Komatsu diesel platforms fitted with HX40W series turbos
Common Uses: Construction machinery, agricultural equipment, and heavy-duty industrial machines requiring HX40W turbochargers
Suitable as a direct replacement when the original turbo tag shows 4043694H or equivalent cross reference numbers
Why Choose Our Turbochargers
Genuine Holset turbocharger not aftermarket copy
Supplied through Cairns Diesel Service, backed by trusted OEM diesel suppliers
Built to handle demanding heavy-duty cycles with consistent boost delivery
Technical support available for identification, fitment, and installation
Installation Notes
Always check the turbo ID plate for the correct part number before ordering
Replace gaskets, oil feed lines, and sealing hardware when fitting a new turbo
Prime turbo with clean engine oil before first start to prevent bearing damage
Warranty & After-Sales Support
All Holset turbochargers supplied by Cairns Diesel Service include a 12-month warranty when installed according to OEM procedures. Local after-sales support and fast shipping are available across Australia.
Core Exchange
This turbocharger is supplied new, so no core charge applies.





