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.
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- Accessories
- Battery Toolboxes & Steps
- Bezels
- Bug Deflectors
- Bumper
- Cab And Sleeper Panels
- Cab Lights
- Center Panels Hangers & T-Bar
- Chop Top & Window Trims
- Clearance & Marker Lights
- Cowl Panels
- Dash Accessories
- Dome & Map Lights
- Driver Convenience Goods
- Electrical Accessories
- Exhaust & Accessories
- Exterior & Trims
- Exterior Door Accessories
- Fender & Guards
- Fender Lights
- Fenders
- Fenders & Accessories
- Fog Lights
- Freightliner
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- Hood & Cab Accent Trim
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- Interior Door Accessories
- International
- Kenworth
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- Lower Dash & Floor Accessories
- Mack
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- Peterbilt
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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.
Double Fury 4 LED Fender Signal Light For 2008-2017 Kenworth T660-Amber & White LED, Passenger
Double Fury 4 LED Fender Signal Light For 2008-2017 Kenworth T660-Amber & White LED, Driver
Double Fury 4 LED Fender Signal Light For 2008-2017 Kenworth T660-Amber & Red LED, Passenger
Double Fury 4 LED Fender Signal Light For 2008-2017 Kenworth T660-Amber & Red LED, Driver
Double Fury 4 LED Fender Signal Light For 2008-2017 Kenworth T660-Amber & Green LED, Passenger
Double Fury 4 LED Fender Signal Light For 2008-2017 Kenworth T660-Amber & Green LED, Driver
Double Fury 4 LED Fender Signal Light For 2008-2017 Kenworth T660-Amber & Blue LED, Passenger
Double Fury 4 LED Fender Signal Light For 2008-2017 Kenworth T660-Amber & Blue LED, Driver
12V Starter Solenoid Assembly
Heavy Duty Vintage Clamp-On Dash Switch, On-Off-On
Heavy Duty Vintage Clamp-On Dash Switch, On-Off
Ignition Switch With 2 Keys
Chrome “Street Machine” Script Emblem With Stud
Chrome Hotrod Script Emblem With Mounting Studs
6V Vintage Chrome Fog Light, Amber Lens
12V Vintage Chrome Fog Light, Clear Lens
12V Vintage Chrome Fog Light, Amber Lens
6″ Curved Expanded/Slotted Bottom Exhaust – 108″ L
6″ Curved Expanded/Slotted Bottom Exhaust – 60″ L
Chrome “Streetrod” Script Emblem With Stud
Deluxe Heavy Duty Vehicle Positioning Jack
17″ Aluminum Tire Checker Bat-Matte Black
18″ Polyurethane Rim 4 Spoke Steering Wheel With Horn Bezel
14″ Chrome Aluminum 3-Spoke Style 9-Screw Mount “Competition Series” Steering Wheel
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.

