Drivetrain› Automatic Transmissions and Components

ATK ENGINES

GM AWD 6T70 6SPD

$2,782.56

SKU: A040 8580A-74

Special Order
Special Order
Ships in 4–6 weeks
Free Shipping over $200
$100 Minimum Order
Non-Returnable Item
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Overview

Remanufactured transmissions with improved torque converters (tested for leaks, lock-up, concentricity & balance). Features a fully remanufactured valve body with a complete system correction & recalibration kit, independently tested, including updated throttle valve, manual valve, 4-spool switch valve, pressure regulator valve & governor plugs for improved shifting, lubrication & performance. All wear-prone valves are restored to stringent specifications & vacuum tested. Each transmission is hot, cold, load & simulated road tested. Backed by a nationwide warranty.
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GM AWD 6T70 6SPD

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

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Specifications

BrandATK ENGINES
Part NumberA040 8580A-74

Videos

GM 6T70 Transmission Build - Traverse Acadia Enclave Transmission Build

GM 6T70 Transmission Build - Traverse Acadia Enclave Transmission Build
6T70 Rebuild Part 2. 6T75 Rebuild Part 2. Transmission Assembly. Transaxle Assembly.

6T70 Rebuild Part 2. 6T75 Rebuild Part 2. Transmission Assembly. Transaxle Assembly.
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LKQ ATK VS Jasper Engines & Transmissions Reviews | Powertrain | Remanufactured Engines

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Returns & Fitment

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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Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

Free shipping over $200 in the continental US. Alaska, Hawaii, U.S. territories (Puerto Rico, U.S. Virgin Islands, Guam, American Samoa, and the Northern Mariana Islands), and international orders carry surcharges — most appear at checkout. Some exceptions (LTL freight, or suppliers who quote freight only after we place the order) won’t. In those cases we’ll reach out with the exact charge before your order moves forward.

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