Drivetrain› Automatic Transmissions and Components

DuraMax Tuner

L5P (2017-2019) DT750 BUILT TRANSMISSION W O TORQUE CONVERTER CORE CHARGE OF $1500 APPLIES

$5,535.00

SKU: D06C dt750-L5P

In Stock
In Stock
Ships by Jun 20
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The DT750 Built Transmission is a complete, upgraded Allison transmission assembly. It features new and enhanced clutches, steels, electronics, sensors, valve body, and return springs. The unit is designed for direct installation and DuraMax Tuner offers shipping assistance. This transmission is generally available with minimal lead time. It's built for demanding applications, including daily driving, heavy towing, and trucks with performance modifications or those experiencing issues with their stock transmission.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandDuraMax Tuner
Part NumberD06C dt750-L5P

Videos

My L5P Duramax gets a MINT Wehrli Custom Fab Built Transmission!

My L5P Duramax gets a MINT Wehrli Custom Fab Built Transmission!

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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