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Midwest Truck and Auto Parts Inc. and its divisions are wholesale suppliers of heavy duty truck and automotive aftermarket components and assemblies. In business since 1946, Midwest Truck and Auto Parts Inc. and has steadily grown into a premier national and international supplier.


We supply components to the heavy duty, light duty automotive/light truck and high-performance aftermarkets, worldwide. Midwest Truck and Auto Parts Inc. offers drivetrain components to the light duty truck and SUV market including: ring and pinion gear sets, replacement axle shafts, manual transmission and transfer case components, differential bearings, components and overhaul kits, as well as manual transmission overhaul kits; clutches, axle shafts, air brake valves and components, electrical components, and PTO’s; and transmissions and traction control devices.

The company also provides front and rear axle kits for Jeeps; chromoly alloys; axle spline upgrades; and hydraulic wet line kits and related parts.

In addition, we offer replacement parts for heavy duty differential and manual transmission needs; alternators, starters, and related electrical components; valves, brake chambers, auto and manual slack adjusters, hardware kits, and hose assemblies; wheel and flange studs, U-bolt kits, and wheel clamps and chocks; and heavy duty EZ-Touch clutch assemblies and related parts.

The company is headquartered in Illinois with additional locations in Florida, California, Georgia and Texas.

Give our knowledgeable customer service staff a call today! Toll Free 1-800-934-2727.

World American is the heavy duty division of Midwest Truck & Auto Parts, Inc. We supply drivetrain, brake, steering and suspension, wheel attaching, rotating electric, clutch and hydraulic components to the heavy-duty aftermarkets. For over 20-years, World American has been manufacturing manual transmission components, differential components, complete rebuild kits, bearing kits, ring and pinion gear sets, cases, housings, axles, yokes, u-joints, air brake valves, brake chambers, brake hardware kits, air springs and more.

Get superior OEM quality replacement parts, backed by professionals with the experience and knowledge to help get heavy duty vehicles back on the road quickly!

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Motive Gear Performance manufactures the largest line of ring and pinion gear options available with gear sets in a wide range of ratios for nearly every application, both on and off-road. Motive Gear offers the toughest drivetrain components on the market today.

Motive Gear Performance products can be found in the winner's circle at NHRA, IHRA, ANDRA, SODA, SCORE, and NASCAR events. The superior quality of Motive Gear Performance components is the result of years of racing development, outstanding design, and state-of-the-art manufacturing methods. Extensive testing is performed on all products. Motive Gear Performance ring and pinions are used by the top drivers and racing teams worldwide. Winning is #1 and Motive Gear can get you there!

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Motive Gear produces the widest range of OEM replacement gears in the world today. This range includes ring and pinion gears and axle shaft options, plus internal kits, carrier and transfer cases, manual transmission components and yokes. Not only do we offer ring and pinion gears and differential bearing kits, Motive Gear offers a complete line of transmission parts and transfer case parts as well as replacement axle shafts. In combination with Motive Gear's performance and axle divisions: Motive Gear Performance and TEN Factory, there simply isn't a better value in drivetrain components.

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Richmond Gear is the leading manufacturer of professional quality, high-performance drivetrain products. Our performance products are the result of a continuous research and development program combined with state-of-the-art manufacturing capabilities at our plants worldwide. For over 80 years, the Double Diamond has signified the highest quality products in the racing industry!

Our complete line of Richmond Gear performance products ranges from high performance ring-and- pinion sets for serious street and racing applications to torque-hungry manual transmission, and components for on and off-road use. We also offer full ring and pinion installation kits and instructional videos. Engineered to perform faster and be more reliable, Richmond Gear products have been winners both at the Daytona 500 and U.S. Nationals for decades. Winners Run Richmond!

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By providing high-quality OEM replacement gears for your vehicle, Richmond’s Excel line provides Richmond quality at affordable prices. Excel offers a broad line of ring and pinion gears, installation kits, and axle shaft kits to match most vehicles that are on the road today.

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POWERTRAX® proves that you don’t have to choose between the superior traction of a locking differential and smooth handling and drivability of an open differential. Powertrax Lock-Right Lockers and No-Slip Traction Systems give you the best of both worlds!

The Powertrax Lock-Right Locker provides outstanding traction for off-road machines and race vehicles. Powertrax No-Slip Traction Systems deliver excellent performance to street-driven cars and trucks. Powertrax lockers range from the original, Lock-Right for serious straight-line performance, to the No-Slip traction system for streetable vehicles. Powertrax also offers three levels of GRIP locking differentials, ranging from the clutch-type GRIP LS with a forged steel case, the gear-driven GRIP PRO and finally the GRIP LOK for extreme traction.

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TEN Factory is the brand you can trust for the highest-quality engineered axle shafts and replacement kits available. Upgrade to a TEN Factory chromoly performance axle kit for front or rear. Built with the toughest materials, the wear-resistance of forged steel is heat-treated to produce durable axle shafts for your Jeep, car or truck. TEN Factory axles provide the strength that you can depend on for serious street and racing applications, on road or off!

All TEN Factory axles feature a 10-year replacement warranty! Buy with confidence knowing that the latest technologies in metallurgy, heat treating and CNC machining have produced an axle you can count on in the most difficult conditions. TEN Factory also offers one or two axles replacement axle kits with bearings, seals and studs for those who want to replace broken or worn-out shafts. They feature OEM quality construction with the same great TEN Factory warranty.

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