World American
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About World American
World American is the heavy-duty and export division of Midwest Truck & Auto Parts, Inc., one of the most respected names in the commercial vehicle aftermarket. World American traces its roots to 1946, when Midwest Truck & Auto Parts was founded in Chicago as a military and truck parts facility. Over the decades, the company evolved into a premier wholesale supplier of replacement and aftermarket components engineered specifically for Class 6, 7, and 8 heavy-duty trucks.
A Legacy of Quality in the Heavy-Duty Aftermarket
From its Chicago origins, Midwest Truck & Auto Parts grew into a multi-location operation with distribution centers strategically positioned across the United States and Canada, enabling fast fulfillment of orders. World American operates strictly as a wholesale distributor, supplying warehouse distributors, dealerships, and fleet service operations rather than selling directly to end consumers. This wholesale focus ensures the brand’s products flow through trained industry professionals who can match the right component to the right application.
Quality control is central to the World American philosophy. Every aftermarket part undergoes careful inspection before shipment, and the company backs its products with a 6-month, 50,000-mile warranty — a testament to confidence in their manufacturing and sourcing standards. World American also holds ISO certification, reflecting a commitment to systematic quality management across every stage of production and distribution.
World American Product Categories
World American supplies a comprehensive range of components for heavy-duty drivetrain and chassis systems. Their catalog is especially deep in drivetrain components, including manual transmission parts, transfer case components, differential assemblies, ring & pinion gear sets, bearing kits, complete rebuild kits, axles, yokes, and U-joints. Technicians and distributors working on demanding commercial vehicles rely on World American for these hard-to-find replacement parts that meet or exceed OEM specifications.
The brand’s brake system portfolio covers air brake valves, brake chambers, and brake hardware kits — essential safety components for heavy trucks operating under demanding load and terrain conditions. Their hydraulic line includes complete wet line kits and related parts designed for the mobile hydraulics market, as well as replacement parts for Chelsea®-brand power take-offs (PTOs) and Commercial®-style pumps.
Rounding out the catalog are steering components, electrical parts, and air springs, making World American a true one-stop resource for the major mechanical systems found on Class 6–8 trucks. In 2022, Midwest Truck & Auto Parts merged with S&S Truck Parts, combining the strengths of two Midwestern aftermarket leaders to offer an even broader selection of heavy-duty and light-duty components to customers around the world.
Why Choose World American?
- OEM-quality standards: Parts are engineered and tested to meet or exceed original equipment specifications.
- Decades of expertise: Founded in 1946, Midwest Truck & Auto Parts brings nearly 80 years of commercial vehicle parts knowledge to every product.
- Wide product coverage: Drivetrain, brake, steering, electrical, and hydraulic parts for Class 6, 7, and 8 trucks.
- Fast fulfillment: Distribution centers across the U.S. and Canada support rapid order processing and delivery.
- Backed by a warranty: A 6-month, 50,000-mile no-nonsense warranty covers the product lineup.
- ISO-certified quality management: Systematic processes ensure consistent part quality and inspection before shipment.