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Peterbilt 389 Frame Light Bars & Filler Panels
Frequently Asked Questions About Peterbilt 389 Frame Light Bars & Filler Panels
What years of Peterbilt 389 trucks are these frame light bars and filler panels compatible with?
Our frame light bars and filler panels are designed to fit Peterbilt 389 models from 2008 to current production years. However, compatibility can vary based on your specific truck configuration, especially if you have aftermarket modifications or custom bumpers. We recommend checking your truck's build specifications or contacting our support team with your VIN for exact fitment verification.
Are these light bars made from stainless steel or chrome-plated steel, and which option lasts longer?
We offer both 304 stainless steel and chrome-plated steel options. Stainless steel light bars provide superior corrosion resistance and typically last 10-15 years with minimal maintenance, making them ideal for harsh weather conditions and road salt exposure. Chrome-plated steel offers a brilliant mirror finish at a lower price point but requires regular polishing and may show pitting after 3-5 years depending on your operating environment.
Do I need to drill holes in my frame to install these light bars, and what tools are required?
Most of our frame light bars use existing frame holes and mounting points, requiring no drilling on standard Peterbilt 389 configurations. Installation typically requires basic hand tools including socket wrenches, screwdrivers, and wire crimpers for electrical connections. Some custom applications or specific light bar styles may require minor drilling, which will be clearly noted in the product description. Professional installation usually takes 2-3 hours.
Will these filler panels work with my existing chicken lights, and how many light cutouts do they have?
Our filler panels come in multiple configurations ranging from blank panels to options with 3, 5, or 7 pre-cut light openings that accommodate standard 2-inch round LED or incandescent chicken lights. The cutouts are precisely sized for universal fit, and panels include rubber grommets to protect wiring. If you need a specific cutout pattern not listed, we offer custom drilling services for an additional fee.
What is the difference between standard and extended cab light bars, and how do I know which one I need?
Standard cab light bars typically measure 28-32 inches and are designed for day cab and standard sleeper configurations. Extended cab light bars range from 36-48 inches and are made for trucks with larger sleepers or extended frame rails. To determine your needs, measure the distance between your cab and front axle or check your truck's wheelbase specification. When in doubt, our customer service team can help identify the correct size based on your truck's configuration.