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    • Holset Turbos, Model Information

      Below are the links to service information, service manuals, parts sheets and compressor maps for general use. In this information you can find part numbers, assembly/overhaul information and genuine Holset turbo diagnosis practices. As more information is becomes available it will be posted for general consumer use.

      • Holset H1C, H1D, H1E and H2A Series Turbos (pdf)
      • Holset H2B, H2C, H2D, H2E and H2S Series Turbos (pdf)
      • Holset HE221W Series Turbos (pdf)
      • Holset HE341Ve Series Turbos (pdf)
      • Holset HE351CW Series Turbos (pdf)
      • Holset HE431V Series Turbos (pdf)
      • Holset HE551V Series Turbos (pdf)
      • Holset HE851 Series Turbos (pdf)
      • Holset HX20W Series Turbos (pdf)
      • Holset HX25, HX25W and HX27W Series Turbos (pdf)
      • Holset HX30, HX32, HX35 and HX40 Series Turbos (pdf)
      • Holset HX30, HX32, HX35, HX40W and HX38G Series Turbos (pdf)
      • Holset HX50, HX52 and HX55 Series Turbos (pdf)
      • Holset HX50W and HX55W Series Turbos (pdf)
      • Holset HX55V Series Turbos (pdf)
      • Holset HX60 and HT60 Series Turbos (pdf)
      • Holset HX60W and HT60W Series Turbos (pdf)
      • Holset HC5A, HX80, HX82, HX83, HX85, HT4V, HT4C and HT80 Series Turbos (pdf)
      • Holset HY30W Series Turbos (pdf)
      • Holset HY35W Series Turbos (pdf)
      • Holset HY40V Series Turbos (pdf)
      • Holset HY55V Series Turbos (pdf)
      • Holset WH1C and WH1E Series Turbos (pdf)
      • Holset WH2D Series Turbos (pdf)
      • H Service Data Sheet (pdf)
      • HE Service Data Sheet (pdf)
      • HX and HY Service Data Sheet (pdf)
      • VGT Service Data Sheet (pdf)
      • Pre H Service Data Sheet (pdf)

      Click here to see specs for all current production Holset Turbo models.

      Holset's Service Material

      This service material, provided by Holset is not to be reproduced, copied or re-posted to any personal or private website. It is available for downloading or viewing in html/pdf format to be used by Holset customers looking for service information. Any duplication for needs other than listed above is strictly prohibited without the expressed written consent of Holset Turbochargers.

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