Drivetrain› Automatic Transmissions and Components

Merchant Automotive

Allison Internal Wire Harness 04-05 With G Solenoid

$214.96

SKU: M01D 20702

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

Beginner — under 30 min

Description

The Merchant Automotive 20702 is a genuine Allison replacement internal wiring harness designed for 2004.5-2005 LLY Duramax models equipped with a 5-speed Allison transmission and G solenoid. This harness is crucial for vehicles with 7 solenoids in the valve body.

Fitment

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Specifications

BrandMerchant Automotive
Part NumberM01D 20702

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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