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Cummins 4BT 3.9 and 6BT 5.9 Overhaul Kits

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Cummins 4BT/6BT Overhaul Kit

Keep your Cummins B-Series engines in prime condition with rebuild kits from Diesel Parts Direct. Choose from a range of 12 valve Cummins rebuild kits, to suit your 6BT diesel engine. Whether you need genuine Cummins 4BT overhaul kits, or aftermarket 5.9 Cummins rebuild kits, both come with free ground shipping!

With over 40 years of experience on diesel engines, you can depend on us to deliver the best Cummins 4BT and 6BT overhaul kits for your fleet. Need help finding the correct fitment for your particular engine? Our team of diesel experts are waiting to take your call at 855.470.3525.

Maximize maintenance efficiency of your 5.9 Cummins fleet with rebuild kits from Diesel Parts Direct. We have the parts and know-how to keep you moving.


IN-FRAME OVERHAUL KIT - B6.7 / ISB6.7 / QSB (STANDARD)

Complete Overhaul Kit Also Available

  • $826.72
    • $826.72
    Qty: 

    IN-FRAME OVERHAUL KIT - B5.9 / B6.7 / ISB6.7 / QSB

    Complete Overhaul Kit Also Available

  • $684.89
    • $684.89
    Qty: 

    COMPLETE ENGINE OVERHAUL KIT - 6BT / 6BTA 5.9L (STANDARD)

    In-Frame Kit Also Available

  • $562.99
    • $562.99
    Qty: 

    COMPLETE ENGINE OVERHAUL KIT - 6BT / 6BTA 5.9L (STANDARD)

    In-Frame Kit Also Available

  • $585.92
    • $585.92
    Qty: 

    COMPLETE ENGINE OVERHAUL KIT - 4BT / 4BTA 3.9L (STANDARD)

    In-Frame Kit Also Available

  • $435.62
    • $435.62
    Qty: 

    COMPLETE ENGINE OVERHAUL KIT - 4B 3.9L (STANDARD)

    In-Frame Kit Also Available

  • $435.62
    • $435.62
    Qty: 

    COMPLETE ENGINE OVERHAUL KIT - 6BTA 5.9L (STANDARD)

    In-Frame Kit Also Available

  • $552.34
    • $552.34
    Qty: 

    COMPLETE ENGINE OVERHAUL KIT - 6BT / 6BTA 5.9L (STANDARD)

    In-Frame Kit Also Available

  • $585.92
    • $585.92
    Qty: 

    COMPLETE ENGINE OVERHAUL KIT - 4BT / 4BTA 3.9L (STANDARD)

    In-Frame Kit Also Available

  • $435.62
    • $435.62
    Qty: 
    Hundreds Of Items Guaranteed in Stock
    Hundreds Of Items Guaranteed in Stock Click here for details

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