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Holset 4089123 Turbocharger Assembly HX35W
Holset 4089123 Turbocharger Assembly HX35W - Image 2
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Holset 4089123 Turbocharger Assembly HX35W


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Turbo ModelHX35W
Turbo Model VariantsHX35W-E7745L/E12PB11
Compressor TypeHigh-efficiency Centrifugal
Bearing SystemPrecision Journal Bearings
Housing MaterialHeat-resistant Alloys
Kit ContentsMounting Hardware and Hoses Included
Net Weight11.5 kg
Package Dimensions40 × 30 × 30 cm

Manufacturer No.

  • 3596628
  • 4089123
  • HX35W-E7745L
  • HX35W-E12PB11

OEM Part No.

  • 4089123
  • 3596628

Engine Part No.

  • Cummins 6B
  • Cummins 6BT
  • Cummins 6BTA

Fitment Vehicles

  • Komatsu PC220
  • Komatsu PC270
  • Dongfeng Tianlong Flagship
  • Cummins KCEC Truck
This Holset HX35W turbocharger assembly (part number 4089123, superseding 3596628) features a high-efficiency centrifugal compressor wheel and precision journal bearing system constructed from heat-resistant alloys. It is designed as a direct OEM replacement for Cummins 6B, 6BT, and 6BTA series diesel engines. The turbocharger kit includes mounting hardware and hoses for complete installation. Common applications include Komatsu PC220 and PC270 hydraulic excavators as well as various Cummins-powered heavy-duty trucks such as Dongfeng Tianlong models.