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SKU #: ATS-3139202272 ATS 3139202272 Master Trans Overhaul Kit 03-07 5.9L Cummins 48RE

Purchase ATS 3139202272 Master Trans Overhaul Kit 03-07 5.9L Cummins 48RE
    • 2003-2007 5.9L Dodge Cummins
    • 48RE Automatic Transmission
  • Choose One: Core Charge: ?

    Terms & Conditions

    We at Diesel Power Products offer a deferred core program in which we allow you to defer the typical upfront core charge when purchasing via credit card payment. All cores, whether the core charge was deferred or not, must be returned within 21 days from delivery date of product requiring core charge. Failure to do so can result in forfeiture of the entire core charge return. In the event you originally deferred the core charge, you authorize Diesel Power Products to charge you for the core charge.

    All cores must be returned to the original warehouse that original shipment was sent from. If a return label is provided in the original shipment, use this tag. If one is not included, contact us immediately, and we can provide you with the correct address of where the core(s) must be returned to, as well as an RMA (Return Merchandise Authorization) number. DO NOT rely on the return address on the original label as a source for where to ship to.

    If cores are shipped to the incorrect warehouse, your core money will be returned less the shipping cost for us to send the core(s) to the correct warehouse, or if you deferred the core you may be charged for the shipping amount.

    Cores that have been disassembled and/or have missing and/or damaged major components will not receive full core credit. Returned cores must be on a "like-for-like" basis, meaning that the returned core has the exact same fitment as the remanufactured component that was purchased. In the event that the core is not "like-for-like," your core may not be eligible for return / credit.

    Diesel Power Products has the right to alter this policy (i.e. extend the terms) for any reason. If you have an outstanding circumstance, contact us.

    What is a "Core Charge"?

    In order to understand what a core charge is, you must first understand what a core is. In the automotive industry, most products are manufactured from brand new materials. However, numerous products are also remanufactured, meaning that the manufacturer of the product takes a used product, typically removed from a vehicle, disassembles, and replaces all worn components of the master product. A great example of this is in regards to automatic transmissions in which the manufacturer takes an existing transmission, replaces all of the inner working components, such as the torque converter, valve body, etc. and merely reuses the case.

    Because aftermarket manufacturers require a steady stream of incoming cores to build, they charge a deposit on the core, known as a core charge, that is refunded upon receipt. In some cases, the core is not reusable, such as in the event of a cracked case, at which point the core deposit would not be credited as the core component is not reusable.

    If you plan on returning your core you have two options.

    OPTION 1:
    You can accept it, which means you will be charged for the part AND the core at time of purchase. You still have the option to send it back, and if you do, the core will be refunded back on the card used, presuming the core meets core criteria and the core is returned within 21 business days from originally receiving your order. If you have outstanding circumstances that would not allow the return to occur within 21 days, please contact us.

    OPTION 2 You can defer the core charge. If you defer it, you will not be charged a core at time of purchase. You will have 21 business days from the day you receive it to send it back. As long as the core is received within the 21 business days, you will not be charged. If 21 business days goes by and you do not send it back, the card on file will be charged the core amount. You still may send it back, and once received, we will issue the core amount as in store credit, pending any limitations as set forth by the manufacturer.Core deferral is limited to payment by credit card only.


Complete overhaul kit for the Do-It-Yourselfer! The 48RE automatic transmission found behind the 03-07 5.9L Dodge Cummins has its limitations, which seems to be around 100RWHP over stock. With today' ... read more

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Complete overhaul kit for the Do-It-Yourselfer! The 48RE automatic transmission found behind the 03-07 5.9L Dodge Cummins has its limitations, which seems to be around 100RWHP over stock. With today's tuning technologies alone, that horsepower number is easily forgotten, which puts great stress on the transmission. Couple this with some moderate to heavy towing and you've burnt up the transmission. When it's time, don't rebuild the transmission with stock components, upgrade it with this complete kit from ATS.

This overhaul kit from ATS Diesel includes all of the necessary bearings, bushings, clutches, bands, etc. to get your 48RE transmission back on the road. These are not factory replacement components, but rather upgraded components to handle the power and loads your engine is capable of, and are the same components that ATS themselves installs into their complete transmission packages.

  • All rings seals
  • Filter
  • Intermediate band w/ billet strut
  • Forward, direct, overdrive clutches
  • Overdrive bearing w/ new race
  • Billet accumulator piston
  • Complete overdrive bearing kit
  • Performance low/reverse band
  • Overdrive bushing package
  • Pump bushing
  • Direct drum bushing
  • Low/reverse one way clutch
  • This product requires you to return as a core your factory OD Brake Pressure Plate, Top Pressure Plates for the Forward and Direct Clutches, and the Forward Pressure Plate. Core part numbers are 3148952164, 3148982164, and 3148912164 (x2).


  • SkuATS-3139202272
  • ManufacturerATS Diesel Performance
  • MPN3139202272


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Rate ATS 3139202272 Master Trans Overhaul Kit 03-07 5.9L Cummins 48RE

Reviews may be edited for spelling or grammar inaccuracies and those containing profanity will be removed.

Quality product install went smooth only down...
Quality product install went smooth only downfall is they do not include the selective snap rings you need for the extra frictions and steels in which I would rather pay a few more bucks on the kit with it included than to make it a hassel finding one locally. I could not find one locally so I had to leave one of the extra frictions out
I would not buy this product again but a redline kit
It get delivered in sandwich bags no helpful instructions and most part numbers match the stock kit I ordered for a transmission I rebuilt 2 weeks later

What hp will this kit hold up to?

This would safely handle about 100-125 more horsepower then stock. Essentially this is a slightly upgraded stock replacement kit.


Would you have to upgrade anything else with this kit?

Nothing else needs to be upgraded, but we would suggest things like Torque Converter, Pan, ETC


What stall would go great with this kit?

We would just recommend the ATS converter.


What exactly is the kit made of. Koleen steels? What's the friction materials??

They use the Raybestos GPZ series clutches/steels in their kits.


Is this what u guys call the stage 3?

We don't label or consider that kit as a stage. If anything it would be a stage 1. It has upgraded components to help hold extra power. But you also have to consider valve body, converter, and shafts when it comes to hp holding capability. DppSands.


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ATS 3139202272 Master Trans Overhaul Kit 03-07 5.9L Cummins 48RE

ATS 3139202272 Master Trans Overhaul Kit 03-07 5.9L Cummins 48RE

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