155 Series Engines

Below are a list of Komatsu engine series we provide parts for. If you do not see your engine or are not sure which engine your equipment is running, please contact us and we will provide as much help as possible.

DK Engine Parts provides OEM equivalent quality parts for most Komatsu engine applications without charging the dealer prices. We have worked with reliable vendors to ensure your needs are met with quality engine parts and knowledgeable sales associates.

Click Here to Find Your Komatsu Engine

Showing 1–16 of 41 results

  • Komatsu Cam Bearing - 6206-21-1430

    Komatsu Cam Bearing – 6127-21-1490

    $5.35
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  • Komatsu Camshaft - 6204-41-1300

    Komatsu Camshaft – 6125-41-1301

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  • Komatsu Camshaft - 6204-41-1300

    Komatsu Camshaft – 6127-41-1220

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  • Komatsu Crankshaft - 6204-31-1201

    Komatsu Crankshaft – 6124-31-1011

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  • Komatsu Crankshaft - 6204-31-1201

    Komatsu Crankshaft – 6127-31-1012

    $9,520.36
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  • Komatsu Cylinder Kit - KMP2161

    Komatsu Cylinder Kit – KMP6127

    $311.18
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  • Komatsu Cylinder Kit - KMP2161

    Komatsu Cylinder Kit – KMP6128

    $343.46
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  • Komatsu Head Gasket Kit - 6204-K1-9901

    Komatsu Front Crankshaft Seal – 6127-21-3510

    $23.36
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  • Komatsu Head Gasket Kit - 6204-K1-9901

    Komatsu Head Gasket Kit – 6125-09-1100

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  • Komatsu Head Gasket Kit - 6204-K1-9901

    Komatsu Head Gasket Kit – 6128-K1-9901

    $452.69
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  • Komatsu Head Gasket Kit - 6204-K1-9901

    Komatsu Lower Gasket Kit – 6125-09-1200

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  • Komatsu Head Gasket Kit - 6204-K1-9901

    Komatsu Lower Gasket Kit – 6128-K2-9901

    $414.00
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  • Komatsu Main Bearing STD - 1237924H91

    Komatsu Main Bearing STD – 6125-21-8071

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  • Komatsu Main Bearing STD - 1237924H91

    Komatsu Main Bearing STD – 6127-21-8071

    $173.58
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  • Komatsu Oil Pump - 6204-51-1201

    Komatsu Oil Pump – 6128-52-1005

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  • Komatsu Oil Pump - 6204-51-1201

    Komatsu Oil Pump – 6128-52-1013

    $1,470.36
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