Drivetrain› Automatic Transmissions and Components

DuraMax Tuner

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

$7,389.00

SKU: D06C dt750-L5P-TQC

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

Moderate — 2–4 hours

Description

Replaces stock Allison 1000 transmission in Chevy Silverado/GMC Sierra 2500HD/3500HD 6.6L L5P Duramax. Designed for daily use and heavy towing, providing smooth, positive shifts and easy torque converter lock-up. Includes new upgraded clutches (USA-made C5 Raybestos, Alto G3 C1-C4 for increased capacity), new OEM electronics (speed sensors, neutral safety switch), upgraded valve body with TransGo Shift Kit, stronger C3/C4 return springs, upgraded Billet Triple Disc Torque Converter (Goerend X, 1800-1900 RPM stall, holds up to 1,400Hp/2,000ft-lbs torque), and an upgraded transmission case (pre-machined for C3 Oiler, upgraded line pressure spring).

Fitment

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Specifications

BrandDuraMax Tuner
Part NumberD06C dt750-L5P-TQC

Videos

DURAMAXTUNER.COM - BUILT TRANS

DURAMAXTUNER.COM - BUILT TRANS
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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