Motive Gear Differential Pinion Gear Thrust Washer

Motive Gear: Precision Drivetrain Components You Can Trust

When it comes to the hardest-working parts of your vehicle's drivetrain, precision and durability are non-negotiable. Motive Gear, a division of Midwest Truck and Auto Parts based in Chicago, has built a reputation as one of the aftermarket industry's most trusted names in differential and drivetrain components. Whether you're rebuilding a daily driver, upgrading a weekend off-roader, or chasing performance milestones on the track, Motive Gear delivers engineering you can count on mile after mile.

A Passion for Drivetrain Excellence

Motive Gear's team of engineers, designers, and technicians brings decades of expertise in gear design, metallurgy, and precision manufacturing. Every product is built in state-of-the-art facilities and subjected to rigorous quality control testing to ensure proper fit, performance, and long-term durability. That commitment to quality has made Motive Gear the number one choice for distributors and professional installers worldwide—and a favorite among serious enthusiasts who refuse to compromise on their build.

Motive Gear's products have been proven across a wide range of competitive motorsports, including NASCAR, NHRA, IHRA, and grueling off-road series like SCORE, BITD, and Ultra-4. That real-world race-bred validation carries over directly into the aftermarket components they offer for street, tow, and trail use.

The Widest Drivetrain Selection in the Aftermarket

At the heart of the Motive Gear lineup are their industry-leading Differential Ring and Pinion sets. Offered in a wider range of gear ratios than virtually any other aftermarket manufacturer, these ring and pinion sets cover applications from classic American muscle to modern diesel trucks and Jeep axles. They're lapped for smooth engagement, heat-treated for strength, and engineered to meet or exceed OEM specifications—making them a top pick for both stock replacements and performance ratio changes.

Of course, a ring and pinion is only as good as its supporting components. That's why Motive Gear also offers comprehensive Differential Bearing Kits and Axle Differential Bearing and Seal Kits to ensure every rebuild is completed with properly matched, quality-grade hardware. Cutting corners on bearings and seals is one of the most common causes of premature differential failure—Motive Gear's complete kits eliminate that risk.

For vehicles that need more than just gears, Motive Gear supplies Axle Shafts engineered to handle elevated torque loads and demanding use cases. And when a full rebuild or swap is in order, their Differential Carriers round out the lineup, giving builders a one-source solution for major differential work.

Built for Every Driver

From the professional shop technician to the passionate weekend builder, Motive Gear is designed to serve anyone who takes their drivetrain seriously. Their unmatched application coverage, combination of OE-quality and performance-grade products, and proven race pedigree make them a benchmark brand in the differential and axle space. If you're looking to restore, regear, or upgrade, Motive Gear has the parts to get it done right.