Drivetrain Automatic Transmissions and Components

ATK ENGINES

GM AWD 6T70 6SPD

$2,958.34

SKU: A040 8556A-743

Special Order
Special Order
Ships in 4–6 weeks
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Advanced — 4+ hours

Description

Remanufactured transmission with improved torque converter (tested for leaks, lock-up, concentricity & balance). Features a fully remanufactured valve body with system correction and recalibration kit, including updated throttle valve, manual valve, 4-spool switch valve, pressure regulator valve & governor plugs for enhanced shifting, lubrication, and performance. All wear-prone valves are restored to stringent specifications and vacuum tested. Each unit is hot, cold, load, and simulated road tested. Backed by a nationwide warranty.

Fitment

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Specifications

BrandATK ENGINES
Part NumberA040 8556A-743

Videos

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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