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    KD Custom ECM programming for Duramax LMM

    Price: $695.00

    Single level tuning for the Duramax LMM. Tunes available to produce anywhere from 40HP economy/tow, 70HP Perf tow and more. While economy gains cannot be guaranteed, the economy tune has been producing very consistent mpg numbers at around 19-20mpg and sometimes more for single wheel trucks. Smooth shifting, low EGT's and more power/response than many 80 and 100HP rated generic tunes.

    Installation Instructions

    Category: Kennedy Custom
    Sub-Category: Duramax LMM

    TCM replacement A40 for 6sp Allison 06-08

    Special Order Item

    Price: $1,495.00

    Used replacement model A40 TCM module for the 6 speed Allison transmissions in LBZ and LMM trucks from 2006-2008. Programmed to your VIN and stock calibration

    The 2009-2010 LMM and 2011-2014 LML trucks used the A50/T14 module. Please be sure to check what your vehicle has in it. It is etched into the case in very fine detail.

    These things used to be commonly available, but suddenly in short supply so the price has gone nuts. -JK

    Requires core sent in advance. I did not diagnose your vehicle. If the TCM does the exact same thing the original did then odds are you misdiagnosed.

    Category: Transmission
    Sub-Category: Chev/GMC
    Sub-Category: Allison 1000
    Sub-Category: Misc. parts

    TCM replacement for Dmax LML A50

    Special Order Item

    Price: $1,495.00

    We do not have stock. There is a global supply issue making it exceptionally difficult to obtain this part. If you would like to create a sales order and get on the waiting list, go ahead and order here. The price will be determined when we receive stock. You will be notified at that time and be asked if you want to proceed or cancel. Your card information will NOT be collected and your card will not be charged until we have product and confirm that you want to proceed.

    Brand new OEM Allison TCM programmed with your stock file based in VIN. Plug and play installation.

    This model fits 2009-2010 LMM and 2011-2014 LML that were equipped with the A50/T14 TCM module. Please verify this by checking the numbers laser engraved on your module.

    Matching core return required.

    Category: Transmission
    Sub-Category: Chev/GMC
    Sub-Category: Allison 1000
    Sub-Category: Misc. parts
    Misc. parts

    TCM replacement for Dmax LML A50

    Price: $1,495.00
    Add to cart

    ECM core for Kennedy Custom Dmax LMM-Deposit only

    Price: $400.00

    If you do plan to return your ECM core but need us to supply you with a loaner, please select this item. We can also program the ECM to any factory calibration if necessary. This item available for purchase ONLY with Kennedy Custom Tuning and is not available for individual outright sale. Core must be returned within 15 days unless other arrangements are made or it will be billed as non refundable.
    Please note: If core deposit only is selected any future updates will require that the ECM be sent to us for the update.

    Category: Kennedy Custom
    Sub-Category: Duramax LMM

    ECM core for Kennedy Custom Dmax LMM-Purchase

    Price: $400.00

    If you do not plan to return your ECM core please select this item. We can also program any ECM to your factory calibration if necessary. This item available for purchase ONLY with Kennedy Custom Tuning and is not available for individual outright sale.

    Category: Kennedy Custom
    Sub-Category: Duramax LMM

    KD Custom tune for LMM-email

    Price: $695.00

    This item is for those who already own an EFI Live Flashscan unit, but would like to purchase tuning. It will require submission of the original tune file as read from the vehicle and the ECM serial number to be sent ahead via email. EFI Live licensing and loading of the tuning is handled by the end user.

    Category: Kennedy Custom
    Sub-Category: Duramax LMM
    Duramax LMM

    KD Custom tune for LMM-email

    Price: $695.00
    Add to cart

    Full-LMM

    Price: $695.00
    Category: Kennedy Custom
    Sub-Category: Duramax LMM
    Duramax LMM

    Full-LMM

    Price: $695.00
    Add to cart

    Long-LMM

    Price: $475.00
    Category: Kennedy Custom
    Sub-Category: Duramax LMM
    Duramax LMM

    Long-LMM

    Price: $475.00
    Add to cart

    Short-LMM

    Price: $475.00
    Category: Kennedy Custom
    Sub-Category: Duramax LMM
    Duramax LMM

    Short-LMM

    Price: $475.00
    Add to cart

    Sensor Dummy plug set Dmax LMM-pr

    Price: $18.00

    These plugs go into the vehicle harness sub connectors to protect the terminals while the sensors are unplugged.

    Category: Kennedy Custom
    Sub-Category: Duramax LMM

    DPF flange gasket set for LMM

    Price: $30.00

    These gaskets are generally destroyed when removing the DPF as the heat seems to fuse them to both flanges. Includes both the 4 hole (front) and 3 hole (rear) gaskets.

    These gaskets ship independently of the DPF test pipes. They can be packaged easily with Kennedy Custom ECM's etc. but not the pipes.

    Category: Kennedy Custom
    Sub-Category: Duramax LMM
    Duramax LMM

    DPF flange gasket set for LMM

    Price: $30.00
    Add to cart

    Tune change for Kennedy Custom ECM programming

    Price: $200.00

    Order this for making changes to your custom tune file. Shipping will be additional.

    Category: Kennedy Custom
    Sub-Category: Duramax LMM

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