Sale

Drivetrain Differentials and Rear-End Components

Motive Gear

~(8.1 lbs. 5X5X3)~ Internals 14 Bolt Gm

$455.14 $350.98 Save $104.16

SKU: M01Z GM14BI

In Stock
In Stock
Ships by Jun 9
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Advanced — 4+ hours

Description

The Motive Gear GM14BI Differential Carrier Gear Kit is designed to enhance the driveline performance of 2007-2018 GMC Sierra 2500 HD models. This kit is intended for the rear differential, featuring durable construction and a 26-spline configuration. It's built to withstand aggressive driving conditions and is recommended for professional installation, as it involves opening the rear differential case and replacing the gears. No drilling is required.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

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

BrandMotive Gear
Part NumberM01Z GM14BI

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.

View Full Return Policy