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Cummins ISB and QSB Belt Tensioners

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Belt Tensioner for Cummins ISB and QSB Engines

We stock belt tensioners for Cummins ISB and QSB engines. You can easily access our inventory by visiting the product links listed below.

If you do not see the part you are looking for, please use our quote request form or call us at 855.470.3525: our knowledgeable sales staff will gladly help you.


BELT TENSIONER - 4B3.9 / B4.5 / 6B5.9 / B6.7 / ISB / QSB

  • $143.95
    • $143.95
    Qty: 

    BELT TENSIONER - 6BT

  • $108.14
    • $108.14
    Qty: 

    BELT TENSIONER - B SERIES / ISB / QSB

  • $101.27
    • $101.27
    Qty: 

    BELT TENSIONER - B / ISB / QSB

    Genuine Cummins Part

  • $112.25
    • $112.25
    Qty: 

    BELT TENSIONER - 6C / ISB / QSB

  • $101.84
    • $101.84
    Qty: 

    BELT TENSIONER - 4B3.9 / B4.5 / 6B5.9 / B6.7 / ISB / QSB

    Genuine Cummins Part

  • $149.52
    • $149.52
    Qty: 

    BELT TENSIONER - 4B3.9 / B4.5 / 6B5.9 / B6.7 / ISB / QSB

    Genuine Cummins Part

  • $140.45
    • $140.45
    Qty: 

    BELT TENSIONER - 4B3.9 / B4.5 / 6B5.9 / B6.7 / ISB / QSB

    Genuine Cummins Part

  • $124.86
    • $124.86
    Qty: 

    BELT TENSIONER - 4B3.9 / B4.5 / 6B5.9 / B6.7 / ISB / QSB

    Genuine Cummins Part

  • $148.36
    • $148.36
    Qty: 

    BELT TENSIONER - 4B3.9 / B4.5 / 6B5.9 / B6.7 / ISB / QSB

    Genuine Cummins Part

  • $136.47
    • $136.47
    Qty: 

    BELT TENSIONER - B SERIES / ISB / QSB

  • $140.70
    • $140.70
    Qty: 

    BELT TENSIONER - 4B3.9 / B4.5 / 6B5.9 / B6.7 / ISB / QSB

    Genuine Cummins Part

  • $143.89
    • $143.89
    Qty: 

    BELT TENSIONER - 4B3.9 / B4.5 / 6B5.9 / B6.7 / ISB / QSB

    Genuine Cummins Part

  • $136.47
    • $136.47
    Qty: 
    Hundreds Of Items Guaranteed in Stock
    Hundreds Of Items Guaranteed in Stock Click here for details
    Great Selection of Fresh and Sea Water Pumps

    GREAT SELECTION OF FRESH AND RAW WATER PUMPS

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    Everyday Free Ground Shipping on Select Overhaul Kits and Turbos Click here for details

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