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Check Peterbilt 389 cab lights at 4 State Trucks. Choose LED or incandescent lights in clear or amber lenses. Our Grakon, torpedo, and watermelon styles keep your truck visible. Check out our durable, DOT-compliant cab lights to upgrade your truck's look and safety.

Peterbilt 389 Cab Lights

Give your Peterbilt 389 a custom edge and safer visibility with high-quality aftermarket cab and marker lights. Whether you're going for that old-school look or a modern LED setup, this lineup has exactly what you need to light up the night—and turn heads while you're at it.

Upgrade Your Pete 389 Clearance Lights with Style

From classic watermelon cab lights to bold mini jewel markers, this collection is packed with high-impact lighting options built to handle the road. All lights are designed to fit your Peterbilt 389 cab with ease, so you can upgrade without the hassle. - LED Cab Lights: Long-lasting, low-draw, and ultra-bright - Amber, Red, and Clear Lens Options:Match your truck’s style or visibility needs - Smoked & Colored Housings:Add an aggressive custom look - Rectangular, Round, and Bullet Shapes:Customize your cab’s personality

LED Cab Roof Lights Designed for Easy Installation

These cab and marker lights are easy to install and built to last. Many come with plug-and-play connectors, durable polycarbonate lenses, and weather-sealed housings to stand up to the elements. Looking to go all-in on customization? Grab the matching cab light visors, replacement lenses, and mounting hardware to complete the look and make installation a breeze.

Why Upgrade Your Peterbilt 389 Interior Cab Lights?

- Improve nighttime visibility and road safety - Add a custom, high-impact look to your rig - Upgrade to energy-efficient LED technology - Mix and match colors and styles to reflect your personality - Easy replacement for cracked or faded OEM lights
Whether you're after function, fashion, or both—this cab and marker light lineup delivers. Pair your purchase with powerful LED driving lights for the Peterbilt 389. Make your Peterbilt 389 exterior componentsstand out from the pack and shine bright mile after mile. Shop now and light the way in style.

Frequently Asked Questions About Peterbilt 389 Cab Lights

Will these cab lights fit my specific year Peterbilt 389, and are they compatible with factory wiring?

Most aftermarket cab lights for the Peterbilt 389 are designed to fit model years 2008 and newer. However, fitment can vary depending on whether you have a flat-top or raised roof sleeper. The majority of our cab lights are designed to work with factory wiring harnesses, but some models may require additional wiring or resistors for LED options. Always verify your truck's specific configuration before ordering, as some 389s with aftermarket visors or custom roof modifications may require different mounting brackets.

What's the difference between LED and incandescent cab lights, and which should I choose?

LED cab lights offer significantly longer lifespan (typically 50,000+ hours versus 2,000 hours for incandescent), lower power consumption, and brighter illumination. They also generate less heat and are more resistant to vibration. However, LED lights cost more upfront and may require load resistors to prevent hyper-flashing. Incandescent lights are less expensive initially and work seamlessly with older electrical systems, but require more frequent bulb replacements. For trucks driven frequently or in harsh conditions, LED lights typically provide better long-term value.

How difficult is the installation process, and what tools will I need?

Installation difficulty varies by product and your truck's current setup. If replacing existing cab lights, expect 1-2 hours of work. For new installations, plan for 3-4 hours. Essential tools include a drill with metal bits, wire strippers, electrical connectors, silicone sealant, and basic hand tools. The most challenging aspect is often routing wiring through the headliner and ensuring waterproof connections. Many customers recommend removing the headliner for easier access, though some installations can be completed without this step. Professional installation typically costs $150-300 if you prefer not to DIY.

What styles and finishes are available, and how do I match my truck's appearance?

Peterbilt 389 cab lights come in several styles including the classic "watermelon" style, rectangular, and modern aerodynamic designs. Finish options typically include chrome, black powder coat, and stainless steel. Chrome provides the traditional look but requires regular maintenance to prevent pitting. Black powder-coated options offer a modern appearance and hide dirt well. Stainless steel provides durability without the maintenance of chrome. Consider matching your finish to existing accessories like mirrors, bumper, and fuel tanks for a cohesive look.

How do I prevent water leaks and ensure my cab lights stay sealed?

Water intrusion is the most common issue with cab light installations. Use high-quality silicone sealant (not standard caulk) around all mounting points and wire entry holes. Apply sealant to both the light base and the roof surface before installation. For wire routing, use rubber grommets and seal them thoroughly. Many experienced installers recommend adding a thin bead of sealant around the light base even after installation as extra insurance. Inspect and reseal annually, especially if you notice any headliner staining or moisture. Avoid pressure washing directly at the lights, as this can compromise seals over time.


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