Ignitions and Electrical Wiring Harnesses

CE Auto

Big 3 Upgrade Kit

$229.95

SKU: 0206DMAX0BIG3KIT-225

In Stock
In Stock
Ships by Jul 29
Free Shipping
30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Description

The CE Auto 2002-2006 Chevrolet/GMC Duramax Big 3 Upgrade Kit is a collection of cables designed to enhance your truck's electrical system, particularly when installing a high-output alternator. This kit complements existing battery cable kits and includes side post battery terminal adapters, loomed battery to fuse holder and fuse holder to alternator cables, battery ground upgrade cable, alternator ground upgrade cable, a waterproof fuse holder with fuse, an alternator boot, and installation hardware.

Fitment

Fitment Guaranteed

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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

BrandCE Auto
Part Number0206DMAX0BIG3KIT-225
CategoryIgnitions and Electrical

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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