Drivetrain› Differentials and Rear-End Components

Motive Gear

1121 F150/EXPEDITION DIFFERENTIAL RING & PINION 3.31 RATIO 9.75IN DIA 31 SPL

$524.36

SKU: M01Z F9.75-331L

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

Moderate — 2–4 hours

Description

High Grade Functional Design. Motive Gear 9.75-Inch Rear Axle Ring and Pinion Gear Kit is a must-have for serious off-road enthusiasts. It is crafted with 8620 steel for superior strength and durability, and delivers quiet operation even under the most extreme conditions. The cutting-edge technology used in its construction ensures that it will withstand even the most punishing abuse, while the computer-controlled heat treatment guarantees unbeatable toughness and resilience.

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 F9.75-331L

Videos

How to set ring & pinion backlash

How to set ring & pinion backlash

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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