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Where Quality Meets Value!
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Heavy Duty Truck Parts
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We use the most recent market data to continually improve the quality of our aftermarket truck parts. The part you’ll receive is the product of our many years’ experience and testing. Each aftermarket truck part endures a careful inspection before shipment.

EZ Link

EZ-Link is available for most existing customers. It will allow you to check stock instantly and order online.

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ISO Certified

Providing our customers with quality truck parts that exceed industry safety standards is paramount to us at Midwest.

PTO Part Finder

This utility will guide you through a series of questions that will help narrow down the exact part you need.

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Four Locations

Strategically positioned around the U.S. and Canada, our offices can ship your package to you within 48 hours.

PTO Part Finder en Español

This utility will guide you through a series of questions that will help narrow down the exact part you need in Spanish.

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Where Quality Meets Value

World American is the Heavy Duty and Export Division of Midwest Truck & Auto Parts, Inc. We supply drivetrain, brake, steering, electrical and hydraulic components to the heavy, duty aftermarkets. Specifically, we distribute Manual Transmission & Transfer Case Components, Differential Components, complete Rebuild Kits, Bearing Kits, Ring & Pinion Gear Sets, Cases, Housings, Axles, Yokes, U-Joints, Air Brake Valves, Brake Chambers Brake Hardware Kits, Air Springs and more.

We are wholesalers only. Distributorships are available in both national and international markets. From Axles to Gears, Transmissions to Rebuild kits, Shifters to Lockers, Chains to Gear Oil, Midwest excels in quality.

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Our Catalogs

Download our Extensive Library of Catalogs

Nobody has a more comprehensive library of catalogs than World American! Below is a sample of our library of catalogs. To view the full library, click on this link.

Heavy Duty PTO & Hydraulic catalog
Heavy Duty PTO Hydraulic

Complete hydraulic wet line kits and related parts to meet the ever demanding mobile hydraulic market. Replacement parts for Chelsea® brand power take offs, and Commercial® style pumps.

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Heavy Duty Suspension & Wheel Attaching Catalog - World American
Heavy Duty Suspension

OEM quality replacement suspension & brake components including chassis & cab air springs, shock absorbers, air hoses, gladhands, brake chambers, camshafts, brake hardware/springs, trailer & landing parts & much more!

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Heavy Duty Clutches Catalog - World American
Heavy Duty Clutch

OE Quality Replacement Heavy Duty EZ- Touch® Clutch Assemblies & related parts. Save time and money with all new parts, no cores required!

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Hydraulics Training

Conducted by the World American Hydraulics team, this all-inclusive 3-day course incorporates description, operation and service elements for the total range of components found within...
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