378

Enhance your Peterbilt 378 with high-quality aftermarket and OEM-style replacement parts crafted for durability and performance. Our selection of Peterbilt 378 parts includes heavy-duty bumpers, chrome grilles, LED lighting upgrades, interior components, exterior trim, and precision-fit accessories built to handle demanding hauling and vocational applications. Whether you’re replacing worn parts or customizing your truck for improved looks and functionality, these rugged components deliver long-lasting reliability and style. Shop Peterbilt 378 accessories that help keep your truck performing strong day in and day out.

Shop Peterbilt 378 aftermarket and replacement truck parts including interior, exterior, and body components for reliable performance and durability.

Enhance your Peterbilt 378 with high-quality aftermarket and OEM-style replacement parts crafted for durability and performance. Our selection of Peterbilt 378 parts includes heavy-duty bumpers, chrome grilles, LED lighting upgrades, interior components, exterior trim, and precision-fit accessories built to handle demanding hauling and vocational applications. Whether you’re replacing worn parts or customizing your truck for improved looks and functionality, these rugged components deliver long-lasting reliability and style. Shop Peterbilt 378 accessories that help keep your truck performing strong day in and day out.

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12V Starter Solenoid Assembly

SKU: SW-3
Original price was: $24.99.Current price is: $18.99.

Heavy Duty Vintage Clamp-On Dash Switch, On-Off-On

SKU: S1206
Original price was: $23.99.Current price is: $17.99.

Heavy Duty Vintage Clamp-On Dash Switch, On-Off

SKU: S1205
Original price was: $20.99.Current price is: $15.99.

Ignition Switch With 2 Keys

SKU: S1204
Original price was: $20.99.Current price is: $15.99.

Chrome “Street Machine” Script Emblem With Stud

SKU: S1002
Original price was: $18.99.Current price is: $14.99.

Chrome Hotrod Script Emblem With Mounting Studs

SKU: S1001
Original price was: $18.99.Current price is: $14.99.

6V Vintage Chrome Fog Light, Amber Lens

SKU: C364009
Original price was: $68.99.Current price is: $51.99.

12V Vintage Chrome Fog Light, Clear Lens

SKU: C364008
Original price was: $59.99.Current price is: $44.99.

12V Vintage Chrome Fog Light, Amber Lens

SKU: C364007
Original price was: $61.99.Current price is: $46.99.

6″ Curved Expanded/Slotted Bottom Exhaust – 108″ L

SKU: C2-6-108
Original price was: $857.99.Current price is: $643.99.

6″ Curved Expanded/Slotted Bottom Exhaust – 60″ L

SKU: C2-6-060
Original price was: $378.99.Current price is: $284.99.

Chrome “Streetrod” Script Emblem With Stud

SKU: A6202
Original price was: $18.99.Current price is: $14.99.

Deluxe Heavy Duty Vehicle Positioning Jack

SKU: 98999
Original price was: $279.99.Current price is: $209.99.

17″ Aluminum Tire Checker Bat-Matte Black

SKU: 90056
Original price was: $29.99.Current price is: $22.99.

18″ Polyurethane Rim 4 Spoke Steering Wheel With Horn Bezel

SKU: 88354
Original price was: $200.99.Current price is: $150.99.

Frequently Asked Questions

What parts are available for Peterbilt 378 trucks?

Peterbilt 378 trucks use replacement parts such as bumpers, mirrors, grilles, headlights, interior trim, and exterior accessories designed for heavy-duty trucking.

Are Peterbilt 378 aftermarket parts reliable?

Yes. Many aftermarket Peterbilt 378 parts are designed to meet heavy-duty durability standards and provide long service life.

What are common replacement parts for Peterbilt 378 trucks?

Frequently replaced components include headlights, mirrors, bumpers, grille assemblies, and dashboard parts.

Can Peterbilt 378 trucks be upgraded with aftermarket accessories?

Yes. Popular upgrades include LED lighting systems, chrome bumpers, and interior accessories that enhance both style and functionality.

Why is it important to use quality Peterbilt 378 replacement parts?

Using durable replacement parts helps maintain truck safety, reduce downtime, and ensure reliable performance during long hauls.