Made in USA Truck Parts – Built in Seymour, Indiana

Bad Ass Custom Truck Parts manufactures premium fiberglass truck components in Seymour, Indiana. We are not an importer. We are not a reseller. We are an American manufacturer focused on strength, precision, and long-term durability.

Our Peterbilt 379, 389, and 589 components are built using proprietary ArmorCore™ Advantage construction, delivering superior crack resistance and structural integrity compared to standard aftermarket fiberglass.

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Why American Manufacturing Matters

The heavy truck aftermarket has become saturated with imported fiberglass panels that prioritize cost over durability. Many of these parts suffer from:

• Premature spider cracking

• Thin structural layups

• Poor fitment tolerances

• Short product lifespans

By manufacturing in Indiana, we control:

• Material selection

• Structural layering

• Mold precision

• Quality inspection

• Shipping timelines

This allows us to deliver consistent, professional-grade products that stand up to real-world conditions.

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Manufactured for Peterbilt 379, 389 & 589

We specialize in fiberglass components engineered specifically for:

• Peterbilt 379

• Peterbilt 389

• Peterbilt 589

Our molds are built for precision fitment, ensuring cleaner installations and reduced modification time.

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ArmorCore™ Advantage Construction

Our proprietary ArmorCore™ system reinforces fiberglass layering to improve:

• Impact resistance

• Structural rigidity

• Crack prevention

• Long-term durability

This is not generic fiberglass. It is engineered performance material built for serious truck owners.

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Indiana-Built. Nationwide Shipped.

From Seymour, Indiana, we ship across the United States. Our centralized Midwest location allows for fast freight access nationwide.

Most in-stock products ship within 2 business days.

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About Bad Ass Custom Truck Parts

Bad Ass Custom Truck Parts is a U.S.-based manufacturer dedicated to high-performance fiberglass truck components. All production takes place in Seymour, Indiana, using advanced composite layering techniques and strict quality standards.

Built in America. Built to Perform.