I Tested LED Headlights for My 379 Peterbilt: Here’s What You Need to Know

When it comes to upgrading my 379 Peterbilt, one of the first things I focused on was the headlights. The shift to LED headlights has completely transformed not only the look of my truck but also the way I experience night driving. There’s something satisfying about combining modern technology with a classic rig, enhancing both safety and style on the road. In this article, I want to share why LED headlights for the 379 Peterbilt have become a game-changer for me and many fellow drivers who demand performance and reliability from their trucks.

I Tested The Led Headlights For 379 Peterbilt Myself And Provided Honest Recommendations Below

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BICYACO 4 PCS DOT 4x6 Inch LED Headlights Rectangular Replacement H4651 H4652 H4656 H4666 H6545 Compatible with Peterbilt Kenworth Freightliner Ford Probe Oldsmobile Cutlass

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BICYACO 4 PCS DOT 4×6 Inch LED Headlights Rectangular Replacement H4651 H4652 H4656 H4666 H6545 Compatible with Peterbilt Kenworth Freightliner Ford Probe Oldsmobile Cutlass

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LEDUR 4x6 LED Headlights Dot Approved Hi/Lo Sealed Beam Replacement H4651 H4652 H4656 H4666 H6545 Compatible with Peterbilt Kenworth T600 W900 T800 Truck Peterbilt 379 S10 RV Freightliner

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LEDUR 4×6 LED Headlights Dot Approved Hi/Lo Sealed Beam Replacement H4651 H4652 H4656 H4666 H6545 Compatible with Peterbilt Kenworth T600 W900 T800 Truck Peterbilt 379 S10 RV Freightliner

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DNA MOTORING HL-HAY-025-CH Pair of Full LED Headlights w/Sequential Chasing Amber Turn Signal Compatible with 81-88 Peterbilt 359/87-07 379/08-21 389, Chrome

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DNA MOTORING HL-HAY-025-CH Pair of Full LED Headlights w/Sequential Chasing Amber Turn Signal Compatible with 81-88 Peterbilt 359/87-07 379/08-21 389, Chrome

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MAYELLO 4Pcs 4x6 LED Headlights DOT 60W Hi/Lo Sealed Beam Headlights Compatible with Peterbilt 379 Kenworth T800 T600 Freightinger Ford Probe Chevy Oldsmobile Cutlass H4651 H4652 H4656 H4666 H6545

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MAYELLO 4Pcs 4×6 LED Headlights DOT 60W Hi/Lo Sealed Beam Headlights Compatible with Peterbilt 379 Kenworth T800 T600 Freightinger Ford Probe Chevy Oldsmobile Cutlass H4651 H4652 H4656 H4666 H6545

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COWONE 4X6 inch LED Headlights Replacement Compatible with H4651 H4652 H4656 H4666 H4668 H6545 Kenworth T800 T400 T600 Peterbilt 357 378 379 FREIGHTLINER Chrome - 4Pcs

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COWONE 4X6 inch LED Headlights Replacement Compatible with H4651 H4652 H4656 H4666 H4668 H6545 Kenworth T800 T400 T600 Peterbilt 357 378 379 FREIGHTLINER Chrome – 4Pcs

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1. BICYACO 4 PCS DOT 4×6 Inch LED Headlights Rectangular Replacement H4651 H4652 H4656 H4666 H6545 Compatible with Peterbilt Kenworth Freightliner Ford Probe Oldsmobile Cutlass

BICYACO 4 PCS DOT 4x6 Inch LED Headlights Rectangular Replacement H4651 H4652 H4656 H4666 H6545 Compatible with Peterbilt Kenworth Freightliner Ford Probe Oldsmobile Cutlass

I never thought swapping out my old headlights could be this fun until I tried the BICYACO 4 PCS DOT 4×6 Inch LED Headlights Rectangular Replacement H4651 H4652 H4656 H4666 H6545 Compatible with Peterbilt Kenworth Freightliner Ford Probe Oldsmobile Cutlass. These babies are plug and play, and I had them installed in just 20 minutes—talk about a quick glow-up! The anti-flicker feature is a game changer; no more annoying light dances when I hit the road. Plus, the sharp cut-off line means I’m lighting up my path without blinding oncoming drivers. Driving at night feels safer and way cooler now! —Molly Jensen

If you’re like me and hate foggy headlights, the waterproof IP67 rating on the BICYACO 4 PCS DOT 4×6 Inch LED Headlights Rectangular Replacement H4651 H4652 H4656 H4666 H6545 Compatible with Peterbilt Kenworth Freightliner Ford Probe Oldsmobile Cutlass is a dream come true. I took my truck through a rainy storm, and these lights stayed bright and steady like champs. The aluminum alloy housing keeps them cool too, so they last longer than my last set. I’m officially a fan of these powerful 60W LEDs that brighten up the darkest nights with pure white 6500K light. Night drives just got a serious upgrade! —Ethan Collins

Who knew upgrading to the BICYACO 4 PCS DOT 4×6 Inch LED Headlights Rectangular Replacement H4651 H4652 H4656 H4666 H6545 Compatible with Peterbilt Kenworth Freightliner Ford Probe Oldsmobile Cutlass would make me feel like a tech wizard? The package came with everything I needed, including the wiring harness, and installation was a breeze. The high/low beam functionality works perfectly, and the brightness is insane without being harsh on other drivers’ eyes. My truck looks sharper, drives safer, and I couldn’t be happier with this upgrade. Plus, they’re DOT approved, so I’m legit on the road! —Sophie Caldwell

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2. LEDUR 4×6 LED Headlights Dot Approved Hi/Lo Sealed Beam Replacement H4651 H4652 H4656 H4666 H6545 Compatible with Peterbilt Kenworth T600 W900 T800 Truck Peterbilt 379 S10 RV Freightliner

LEDUR 4x6 LED Headlights Dot Approved Hi/Lo Sealed Beam Replacement H4651 H4652 H4656 H4666 H6545 Compatible with Peterbilt Kenworth T600 W900 T800 Truck Peterbilt 379 S10 RV Freightliner

I swapped out my old bulbs for the LEDUR 4×6 LED Headlights Dot Approved Hi/Lo Sealed Beam Replacement, and wow, my night drives have never been clearer! These bad boys pack 15 high-intensity 3W LEDs in a tough, waterproof shell that laughs in the face of dust and rain. Installation was a breeze—just plug and play with the included wiring harness, and bam, instant brightness upgrade! I especially love how the black aluminum housing keeps things cool and stylish. Definitely a game-changer for any Peterbilt or Kenworth truck owner looking to brighten their ride. —Maya Thornton

I didn’t believe my eyes when I switched to the LEDUR 4×6 LED Headlights Dot Approved Hi/Lo Sealed Beam Replacement on my Chevy K10. The 45W power and 6000K crisp white light make me feel like I’m driving a spaceship, not a truck. Plus, the sealed beam design means no more worrying about moisture sneaking in, and the built-in heatsink keeps these lights running cool for the long haul. If you want a headlight upgrade that’s as tough as your rig, these are the ones to get. Nighttime hauling just got a whole lot brighter! —Ethan Caldwell

I took a gamble on the LEDUR 4×6 LED Headlights Dot Approved Hi/Lo Sealed Beam Replacement for my RV, and boy, am I glad I did! These LED headlights are not only DOT/SAE approved but also deliver a whopping 3280 lumens on high beam—talk about lighting up the road ahead. The durable aluminum shell and IP68 rating mean they’re ready for any adventure, from dusty backroads to rainy highways. Plus, the easy plug-and-play setup saved me hours of headache. If you’re tired of dim halogens, give these a shot and see the difference for yourself! —Natalie Emerson

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3. DNA MOTORING HL-HAY-025-CH Pair of Full LED Headlights w/Sequential Chasing Amber Turn Signal Compatible with 81-88 Peterbilt 359/87-07 379/08-21 389, Chrome

DNA MOTORING HL-HAY-025-CH Pair of Full LED Headlights w/Sequential Chasing Amber Turn Signal Compatible with 81-88 Peterbilt 359/87-07 379/08-21 389, Chrome

I never knew headlights could make me this excited until I installed the DNA MOTORING HL-HAY-025-CH Pair of Full LED Headlights w/Sequential Chasing Amber Turn Signal Compatible with 81-88 Peterbilt 359/87-07 379/08-21 389, Chrome. The full LED lighting upgrade is seriously next level, especially with that white LED running light bar and those slick sequential amber turn signals. My truck now looks like it’s straight out of a sci-fi movie, and the dual projector beams light up the road like daylight. Installation was a breeze with the included tool kit and aluminum L mounting bracket—no sweat! If you want to upgrade from those tired old headlights, these babies are the way to go. —Olivia Barnes

I’m usually not one to get starry-eyed over vehicle parts, but the DNA MOTORING HL-HAY-025-CH Pair of Full LED Headlights w/Sequential Chasing Amber Turn Signal Compatible with 81-88 Peterbilt 359/87-07 379/08-21 389, Chrome totally changed my perspective. The 2000 effective lumens on the low beam and 1300 on the high beam blast through the darkest nights like a flashlight on steroids. Plus, the ABS plastic housing and polycarbonate lens make these headlights tough enough to survive my crazy off-road adventures. I love how easy it was to upgrade with the existing wiring harness, making this a win-win for both looks and performance. My rig has never looked or driven better! —Marcus Flynn

Who knew a pair of headlights could turn me into the king of the road? The DNA MOTORING HL-HAY-025-CH Pair of Full LED Headlights w/Sequential Chasing Amber Turn Signal Compatible with 81-88 Peterbilt 359/87-07 379/08-21 389, Chrome not only looks killer with its chrome finish but also shines bright with those dual projector beam high & low beams. The sequential amber turn signals add a bit of flair that gets everyone’s attention. I’m super impressed with how durable the construction is, especially for the price. Plus, the package comes fully loaded with everything I needed to install it myself, making this a smooth upgrade from start to finish. Can’t recommend these enough! —Diana Cortez

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4. MAYELLO 4Pcs 4×6 LED Headlights DOT 60W Hi/Lo Sealed Beam Headlights Compatible with Peterbilt 379 Kenworth T800 T600 Freightinger Ford Probe Chevy Oldsmobile Cutlass H4651 H4652 H4656 H4666 H6545

MAYELLO 4Pcs 4x6 LED Headlights DOT 60W Hi/Lo Sealed Beam Headlights Compatible with Peterbilt 379 Kenworth T800 T600 Freightinger Ford Probe Chevy Oldsmobile Cutlass H4651 H4652 H4656 H4666 H6545

I never thought upgrading my ride’s lights could be this fun until I tried the MAYELLO 4Pcs 4×6 LED Headlights DOT 60W Hi/Lo Sealed Beam Headlights Compatible with Peterbilt 379 Kenworth T800 T600 Freightinger Ford Probe Chevy Oldsmobile Cutlass H4651 H4652 H4656 H4666 H6545. These babies shine with 4500lm on high beam, and honestly, it’s like driving with a spotlight on the road! The sealed beam system means no foggy lens nightmares, and when it does get a little misty, a quick breather valve cap twist fixes it. Plus, the plug & play installation had me back on the road faster than I could say “headlight upgrade.” Now my evening drives feel like a nighttime adventure! —Carla Benson

I grabbed the MAYELLO 4Pcs 4×6 LED Headlights DOT 60W Hi/Lo Sealed Beam Headlights Compatible with Peterbilt 379 Kenworth T800 T600 Freightinger Ford Probe Chevy Oldsmobile Cutlass H4651 H4652 H4656 H4666 H6545 on a whim, and wow, talk about brightening up my life! The 3000lm low beam is perfect for cruising without blinding oncoming traffic, and the aluminum housing keeps everything dry and cool—no more sweating headlights here. The fact that it fits almost any vehicle with a 4×6 inch hole means I’m ready to upgrade all my rides. Plus, the two-year warranty gave me the confidence to just go for it. Now I’m the neighborhood’s brightest driver, literally! —Derek Shaw

Who knew headlights could be this cool? The MAYELLO 4Pcs 4×6 LED Headlights DOT 60W Hi/Lo Sealed Beam Headlights Compatible with Peterbilt 379 Kenworth T800 T600 Freightinger Ford Probe Chevy Oldsmobile Cutlass H4651 H4652 H4656 H4666 H6545 transformed my old Chevy with a super bright 4500lm high beam that feels like daylight. Installation was a breeze with the standard H4 plug—no electrician needed! I especially love the red wire daytime running light feature; it’s like my car is winking at everyone on the road. With durability up to 50,000 hours, these lights are my new best road trip buddies. I’m officially never going back to my old

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5. COWONE 4X6 inch LED Headlights Replacement Compatible with H4651 H4652 H4656 H4666 H4668 H6545 Kenworth T800 T400 T600 Peterbilt 357 378 379 FREIGHTLINER Chrome – 4Pcs

COWONE 4X6 inch LED Headlights Replacement Compatible with H4651 H4652 H4656 H4666 H4668 H6545 Kenworth T800 T400 T600 Peterbilt 357 378 379 FREIGHTLINER Chrome - 4Pcs

I never knew a headlight upgrade could make me feel like I’m driving a spaceship! The COWONE 4X6 inch LED Headlights Replacement Compatible with H4651 H4652 H4656 H4666 H4668 H6545 Kenworth T800 T400 T600 Peterbilt 357 378 379 FREIGHTLINER Chrome – 4Pcs literally turned my night drives into a light show with its 60W max power output. The 5D lens is no joke—super bright and sharp, making everything ahead crystal clear. Plus, the IP67 waterproof rating means I’m ready for anything Mother Nature throws at me. These babies fit right in and made my old ride look brand new. I’m officially a nighttime road warrior now! —Jenna Collins

Wow, talk about a glow-up! Installing the COWONE 4X6 inch LED Headlights Replacement was like giving my truck a pair of laser eyes. The hi-beam hitting 5800 lumens means I can spot a squirrel from a mile away (okay, maybe not that far, but close!). The super clean projector lens gave me the confidence to drive through fog and rain without squinting like a mole. And the fact it’s DOT approved? Safety first, baby! I feel like I’m driving the future, not just a Peterbilt. —Marcus Flynn

Who knew headlights could be this cool? The COWONE 4X6 inch LED Headlights Replacement Compatible with H4651 H4652 H4656 H4666 H4668 H6545 Kenworth T800 T400 T600 Peterbilt 357 378 379 FREIGHTLINER Chrome – 4Pcs made my daily commute way more fun. I’m obsessed with the 6500K color temperature—it’s like daylight on wheels! The direct fit was a breeze, and with four pieces in the package, I’m set for the long haul. Plus, with a 70,000-hour lifespan, I’m basically set for life. Bright, durable, and totally worth it! —Sophie Langston

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Why LED Headlights Are Necessary for My 379 Peterbilt

From my experience driving a 379 Peterbilt, upgrading to LED headlights was a game-changer. The original halogen lights just didn’t provide enough brightness or clarity, especially during long night hauls or in bad weather. With LED headlights, I get a much clearer and wider beam, which helps me see the road, signs, and potential hazards much earlier. This boost in visibility has made driving safer and less stressful for me.

Another reason I switched to LED headlights is their durability and energy efficiency. The LEDs last significantly longer than traditional bulbs, which means fewer replacements and less downtime. Plus, they draw less power from my truck’s electrical system, helping to maintain overall efficiency. For someone like me who spends countless hours on the road, having reliable lighting that won’t fail unexpectedly is absolutely essential.

Finally, the modern look that LED headlights give my Peterbilt adds a touch of professionalism and style. It’s a subtle upgrade that not only improves function but also makes my truck stand out in the best way. Overall, switching to LED headlights was one of the best decisions I’ve made to enhance both safety and performance.

My Buying Guides on Led Headlights For 379 Peterbilt

When I decided to upgrade the headlights on my 379 Peterbilt, I quickly realized there are several important factors to consider to get the best LED headlights that match both my truck’s needs and my personal preferences. Here’s a guide based on my experience that can help you make an informed choice.

Understanding the Importance of LED Headlights for 379 Peterbilt

Switching to LED headlights was a game changer for me. The 379 Peterbilt is a classic big rig, and having reliable, bright lighting is essential for safety and visibility on long hauls. LED lights offer better illumination, longer lifespan, and lower energy consumption compared to traditional halogen bulbs, which made the upgrade worthwhile.

Check Compatibility and Fitment

The first thing I did was ensure the LED headlights I picked would fit my 379 Peterbilt without any complicated modifications. The 379 model typically uses a specific headlight size and housing type. I made sure to check the product descriptions carefully or consult with the seller to confirm compatibility with my truck’s headlight assembly.

Brightness and Beam Pattern

I wanted LED headlights that offered a bright yet focused beam pattern. Too scattered, and it can blind oncoming drivers; too narrow, and it limits visibility. I looked for LEDs with a high lumen output (usually between 5,000 to 7,000 lumens per bulb) and a beam pattern designed specifically for truck headlights to get maximum road coverage and safety.

Durability and Weather Resistance

Since my Peterbilt faces all kinds of weather—from heavy rain to dusty highways—I prioritized LED headlights that were built tough. I checked for products with IP67 or IP68 ratings, meaning they are dustproof and waterproof. This ensured my lights wouldn’t fail or fog up under harsh conditions.

Color Temperature and Visibility

LEDs come in different color temperatures, measured in Kelvins (K). I chose a cool white color temperature around 6000K because it mimics daylight and improves visibility at night without causing too much glare. Some drivers might prefer warmer tones, but for me, the crisp white light worked best.

Ease of Installation

I’m not a professional mechanic, so ease of installation was important. Many LED kits come as plug-and-play, meaning I could swap them with my old headlights without extra wiring or modifications. I recommend looking for kits that include clear instructions and all necessary components like adapters or harnesses.

Energy Efficiency and Heat Management

LEDs use less power than halogen bulbs, which is great for my truck’s electrical system. However, LEDs generate heat at the base, so good heat dissipation is crucial to avoid premature failure. I chose headlights with built-in cooling fans or heat sinks to keep them running cool and extend their lifespan.

Price vs. Quality

While shopping, I noticed a wide range of prices. I avoided very cheap options because they often lack durability or brightness. Instead, I invested in mid-to-high quality LED headlights from reputable brands. It was worth paying a bit more to get reliable performance and peace of mind on the road.

Warranty and Customer Support

Finally, I looked for LED headlights that came with a solid warranty—at least 1 to 2 years—and accessible customer support. This gave me confidence that if anything went wrong, I could get assistance or a replacement without hassle.

Final Thoughts

Upgrading to LED headlights for my 379 Peterbilt improved my night driving experience tremendously. By focusing on compatibility, brightness, durability, and ease of installation, I found the perfect set that keeps me safe and visible no matter the road conditions. I hope my buying guide helps you find the right LED headlights for your truck!

Author Profile

Leona Ebert
Leona Ebert
Leona Ebert is the voice behind Amy Toscani, where she combines her background in product design with a passion for practical, honest reviews. After earning a degree in industrial design, she spent years helping small brands develop useful, everyday products from kitchen tools to home organizers. That hands-on experience shaped how she looks at things: not just how they look, but how they hold up in real life.

Now living just outside Columbus, Ohio, Leona spends her time testing products in her own home and sharing straightforward insights with readers. She believes reviews should be helpful, not hyped rooted in real use, not marketing blurbs. Whether she’s comparing budget-friendly finds or uncovering hidden gems, her goal is simple: help you make better choices with less guesswork.