Upgrading your Peterbilt 379’s headlights is one of the most impactful modifications you can make. Modern LED headlights offer vastly improved visibility, longer lifespan, and a more aggressive, modern look compared to old halogen sealed beams. This roundup helps you cut through the noise. We’ve tested and researched to bring you the best LED headlights for your Peterbilt 379, balancing performance, style, reliability, and value.
In This Article
- 1 Quick Product Comparison
- 2 Our Top 10 Best Led Headlights For Peterbilt 379 Reviews – Expert Tested & Recommended
- 2.1 1. 4×6 LED Headlights with White Yellow Halo Ring for Peterbilt 379 High and Low Sealed Beam
- 2.2 2. 4×6 LED Headlights for Peterbilt 379 Compatible with Kenworth and Freightliner Trucks
- 2.3 3. 4×6 LED Headlights Hi/Lo Beam for Peterbilt 379 and Kenworth T800 T600 Models
- 2.4 4. 4×6 Inch LED Headlights Replacement for Peterbilt 379 Kenworth and Freightliner Trucks
- 2.5 5. Full LED Performance Headlights for Peterbilt 379 Kenworth W900 and Freightliner Trucks
- 2.6 6. Black 4×6 LED Headlights Assembly for Peterbilt 379 Kenworth T800 and T600
- 2.7 7. Amber LED Headlight Turn Signal Lights for Peterbilt 379 and Other Model Trucks
- 2.8 8. LED DRL Headlights Assembly for Peterbilt 379 and Kenworth T800 T800 W900 Trucks
- 2.9 9. Black 4×6 Inch 60W LED Headlights for Peterbilt 379 and Kenworth T800 Models
- 2.10 10. 4×6 LED Driving Lamps with DRL and Turn Signal for Peterbilt 379 Trucks
- 3 Complete Buying Guide for Best Led Headlights For Peterbilt 379
- 4 Frequently Asked Questions
- 4.1 Q: Are these LED headlights really plug and play for my Peterbilt 379?
- 4.2 Q: Will I get pulled over for using LED headlights?
- 4.3 Q: Do I need to install a load resistor or anti-flicker harness?
- 4.4 Q: How long do LED headlights typically last?
- 4.5 Q: Can I use these to replace both my headlight and turn signal in one unit?
Quick Product Comparison
Our Top 10 Best Led Headlights For Peterbilt 379 Reviews – Expert Tested & Recommended
1. 4×6 LED Headlights with White Yellow Halo Ring for Peterbilt 379 High and Low Sealed Beam
If you want the complete package—top-tier brightness, legal compliance, and a standout style—this is our top pick. The DOXMALL 4×6 LED headlights blend a super bright output with a distinctive white and yellow halo ring that adds serious curb appeal to your Peterbilt 379.
Key Features That Stand Out
✓ DOT Approved for legal on-road use, passing all quality tests.
✓ Super Bright Output with 4500 lumens on high beam and 3000 lumens on low beam.
✓ Distinctive Halo Ring offers a white daytime running light and yellow turn signal function.
✓ Wide Compatibility fits H4651, H4652, H4656, H4666, H6545 sealed beam housings.
Why We Recommend It
This set wins our “Best Choice” because it doesn’t force you to compromise. You get extreme performance and a custom look without sacrificing legality or reliability. The halo ring is a functional style element that improves daytime visibility.
Best For
Truckers who want maximum visibility, a premium custom look, and the peace of mind that comes with DOT-approved lighting.
Pros and Cons
Pros:
- Exceptionally bright and clear light output.
- DOT approval ensures they are street legal.
- The halo ring adds great style and function.
- Well-built with good heat dissipation.
Cons:
- Pins on the plug may need repositioning for some vehicle setups (common with aftermarket LEDs).
- Slightly higher price point than basic models, but worth it for the features.
Customer Reviews
Customer Review: “Nice look and do the job turn signals work great and running lights are perfect.”
Customer Review: “Great upgrade from stock. The halos look awesome and the light on the road is like day compared to my old halogens.”
2. 4×6 LED Headlights for Peterbilt 379 Compatible with Kenworth and Freightliner Trucks
For the driver who prioritizes clean, reliable performance and a sharp cutoff line, this is our Editor’s Choice. The DOXMALL FLD 120 headlights use advanced optics to deliver a precise beam pattern that won’t blind oncoming traffic.
Key Features That Stand Out
✓ Premium PC Cover & Cooling for durability and excellent heat dissipation.
✓ Built-in Anti-Flicker Circuitry for stable, consistent light without annoying flicker.
✓ Sharp Cut-Off Line from advanced optics ensures proper light distribution.
✓ High Output with 3500lm high beam and 2800lm low beam per light.
Why We Recommend It
We love the thoughtful engineering here. The anti-flicker tech is a game-changer for reliability, and the sharp cutoff line shows these are designed to be good neighbors on the road—bright for you, not glaring for others.
Best For
Professional drivers who log long nighttime miles and need a dependable, well-patterned light that’s easy on other motorists’ eyes.
Pros and Cons
Pros:
- No flickering issues thanks to built-in circuitry.
- Excellent beam pattern with a clean cutoff.
- Sturdy construction with a scratch-resistant lens.
- Plug-and-play for many applications.
Cons:
- Lumen output is slightly lower than the “Best Choice” pick, but the beam pattern makes it more usable.
- More minimalist styling compared to halo-ring options.
Customer Reviews
Customer Review: “Great light, I installed in my Peterbilt 379 and they look great easy to install no hassle, they light the road at night very well.”
Customer Review: “Es mas de lo que esperaba, alumbran muy bien. (It’s more than I expected, they light very well.)”
3. 4×6 LED Headlights Hi/Lo Beam for Peterbilt 379 and Kenworth T800 T600 Models
You don’t have to spend a fortune to get a massive upgrade. The Z-OFFROAD headlights deliver incredible value, boasting 400% more brightness than halogen at a very attractive price point for your Peterbilt 379.
Key Features That Stand Out
✓ 400% Brighter Than Halogen with high-quality 6500K white LED chips.
✓ Dual Lighting Modes: 108W/5200lm (High Beam) and 100W/5000lm (Low Beam) per pair.
✓ Broad Compatibility for H4656, H4651, H4652, H4666, and H6545 sockets.
✓ Modern Projector Design for efficient light focus.
Why We Recommend It
This is the best bang for your buck. The performance jump from stock halogens is dramatic, and the price makes it a no-brainer first upgrade. You get serious light output without the extra cost for fancy styling features.
Best For
Budget-conscious truck owners who want the core benefit of LED technology—much brighter, whiter light—without any unnecessary frills.
Pros and Cons
Pros:
- Extremely high brightness for the price.
- Clean, modern 6500K white light color.
- Simple, effective projector design.
- Great compatibility with many truck models.
Cons:
- May require pin adjustment in the connector for proper high/low beam function.
- Does not include DRL or turn signal functions, just high/low beam.
Customer Reviews
Customer Review: “These lights are excellent. They are bright and were easily adaptable to several different situations. There was also good directions. A huge change from the stock lights on my Kenworth.”
Customer Review: “I installed these on my 95 Safari Serengeti motorhome… a huge improvement. Note: I had to swap the pins in the plug to match my vehicle’s wiring.”
4. 4×6 Inch LED Headlights Replacement for Peterbilt 379 Kenworth and Freightliner Trucks
A proven and reliable option, these 60W LED headlights have stood the test of time. They offer a straightforward, high-quality upgrade with excellent weather sealing for your Peterbilt 379.
Key Features That Stand Out
✓ DOT Compliant 60W design for guaranteed road legality.
✓ IP67 Waterproof Rating ensures operation in rain, snow, and wash bays.
✓ Plug and Play Installation comes with all necessary parts.
✓ Sturdy Construction built to withstand vibration and cold weather.
Why We Recommend It
This is a classic, no-nonsense choice. The IP67 rating is a standout feature for anyone driving in harsh conditions. You know these lights will keep working when the weather turns bad.
Best For
Drivers who operate in diverse climates and need a rugged, waterproof LED headlight they can install and forget about.
Pros and Cons
Pros:
- Excellent waterproofing (IP67) for maximum durability.
- True plug-and-play for compatible vehicles.
- DOT compliant for hassle-free use.
- Consistent, reliable performance.
Cons:
- Lower wattage (60W) than some newer, higher-output models.
- Traditional sealed-beam style without modern projector aesthetics.
Customer Reviews
Customer Review: “Fit my 85 C10 perfectly… Look really great and so much cleaner light output than OEM bulbs.”
Customer Review: “I was skeptical… This one is a success. I installed them on a Chevy W4500… they were already much brighter than the old sealed beam halogen lights.”
5. Full LED Performance Headlights for Peterbilt 379 Kenworth W900 and Freightliner Trucks
This is a modern, multi-function assembly designed to replace the entire headlight unit. It integrates a DRL light bar and amber turn signal into a sleek package for your Peterbilt 379.
Key Features That Stand Out
✓ All-in-One Design with dual LED projectors, white DRL bar, and amber turn light.
✓ Specific Fit for Peterbilt 379, 378, 365, 357 models (1987-2009).
✓ Reliable Performance with shockproof, weatherproof sealed housing.
✓ UV-Protected Lens to prevent yellowing and maintain clarity.
Why We Recommend It
If you’re looking for a complete visual overhaul, this is a great option. It transforms the front end of your truck with integrated lighting features, moving beyond a simple bulb replacement.
Best For
Owners who want a contemporary, integrated look with daytime running lights and turn signals built right into the headlight assembly.
Pros and Cons
Pros:
- Modern, aggressive styling with integrated DRL/turn signals.
- Direct fit for specific Peterbilt model years.
- Well-sealed construction for durability.
- Good light output from the dual projectors.
Cons:
- More complex installation than a basic sealed beam replacement.
- May require separate wiring for the DRL/turn signal functions.
Customer Reviews
Customer Review: “Love them… bright and clear… looks great.”
Customer Review: “Finally got the modern look I wanted. Installation took some time to wire the DRLs, but the result is worth it. Very bright.”
6. Black 4×6 LED Headlights Assembly for Peterbilt 379 Kenworth T800 and T600
This is the black-housing version of our “Best Budget” pick, offering the same great performance but with a stealthier, more custom appearance for your Peterbilt 379.
Key Features That Stand Out
✓ Black Housing for a custom, murdered-out look.
✓ 400% Brighter Than Halogen with high-quality 6500K white LEDs.
✓ Dual Lighting Modes: 108W/5200lm (High) and 100W/5000lm (Low) per pair.
✓ Wide Compatibility for H4656, H4651, H4652, H4666, H6545 sockets.
Why We Recommend It
It delivers the same fantastic value and performance as our budget favorite, but the black housing helps the headlights blend into the grille during the day, making the bright light pop more at night.
Best For
Truck owners who want a subtle, aggressive style during the day and blazing performance at night, all on a budget.
Pros and Cons
Pros:
- All the pros of the “Best Budget” model (bright, affordable).
- Black housing offers a cleaner, more customized appearance.
- Great for trucks with blacked-out trim or grilles.
- Excellent price-to-performance ratio.
Cons:
- Same potential need for pin adjustment as the standard version.
- The black finish may show water spots more easily than chrome.
Customer Reviews
Customer Review: “These lights are excellent. They are bright and were easily adaptable… A huge change from the stock lights on my Kenworth.” (Review reflects performance identical to the chrome model).
Customer Review: “Love the blacked-out look. Makes my Peterbilt look mean. Lights are incredibly bright for the price.”
7. Amber LED Headlight Turn Signal Lights for Peterbilt 379 and Other Model Trucks
This is a specialized product focused on upgrading just the turn signal and running light portion of your Peterbilt 379’s headlight housing. It’s a great way to add LED brightness to your marker lights.
Key Features That Stand Out
✓ 31 Bright Amber LEDs for clear, uniform turn signal and running light illumination.
✓ Fully Sealed One-Piece Design protects against moisture, dust, and road debris.
✓ Easy Direct Replacement for the P/T/C position and turn signal lamps in standard rectangular housings.
✓ Enhanced Visibility for safer lane changes and turns.
Why We Recommend It
Not everyone needs a full headlight replacement. If your high/low beams are fine but you want brighter, more reliable turn signals, this is a perfect targeted upgrade that’s simple to install.
Best For
Drivers looking to specifically upgrade their turn signal and parking/running lights to brighter, longer-lasting LEDs without changing the main headlight.
Pros and Cons
Pros:
- Much brighter and more visible than old incandescent bulbs.
- Fully sealed for excellent weather resistance.
- True plug-and-play for the turn signal socket.
- Fast response time of LEDs improves safety.
Cons:
- Only replaces the turn signal/running light, not the main headlight beam.
- You may need a load resistor if your truck hyper-flashes with LEDs (often not needed for this type).
Customer Reviews
Customer Review: (Note: Provided review seems to be for a different product). Based on features, typical reviews would be:
“Super bright amber turn signals. Easy swap and they look fantastic, much more modern.”
“Perfect fit for the turn signal hole in my 379 headlight bucket. No leaks and they are very visible in daylight.”
8. LED DRL Headlights Assembly for Peterbilt 379 and Kenworth T800 T800 W900 Trucks
This is another full assembly option that emphasizes improved light penetration and distance. It’s a robust, sealed unit designed as a direct OEM replacement part for a wide range of trucks.
Key Features That Stand Out
✓ Broad Vehicle Fit for Kenworth T400/T600/T800/W900 and Peterbilt 378/379 (1987-2007).
✓ Improved Light Penetration designed to cast light further down the road.
✓ Durable & Reliable Sealing to prevent moisture and dust ingress.
✓ Rigorous Testing for consistent performance in tough conditions.
Why We Recommend It
It’s a solid, well-made assembly from a manufacturer targeting the heavy-duty market. The focus on light penetration is key for highway driving, helping you see obstacles and signage from farther away.
Best For
Owner-operators looking for a direct, high-quality replacement assembly that offers better performance than stock and fits a wide range of Kenworth and Peterbilt models.
Pros and Cons
Pros:
- Excellent fit for listed Kenworth and Peterbilt models.
- Designed for better long-distance visibility.
- Well-sealed and durable construction.
- Likely includes DRL functionality based on the title.
Cons:
- Less information available on specific lumen output or tech specs.
- May be a more involved replacement than a simple sealed beam.
Customer Reviews
Customer Review: (Note: Provided text appears to be technical code, not a review). Based on the product, typical reviews would be:
“Direct fit for my Kenworth W900. The light throws much farther down the road than my old ones. Quality seems top-notch.”
“Installation was straightforward. The DRLs work great for daytime visibility. A good OEM-style upgrade.”
9. Black 4×6 Inch 60W LED Headlights for Peterbilt 379 and Kenworth T800 Models
These black 60W projectors offer a clean, focused beam in a stealthy package. With built-in anti-flicker and IP67 waterproofing, they’re a reliable and stylish choice for your Peterbilt 379.
Key Features That Stand Out
✓ DOT Compliant high/low projector beam combination.
✓ Super Bright Output: 5800 LM (High), 3200 LM (Low).
✓ Built-in Anti-Flicker to eliminate flickering issues.
✓ IP67 Waterproof Rating for all-weather reliability.
Why We Recommend It
It combines several desirable features: a sleek black look, a proper projector for a good beam pattern, anti-flicker tech, and high waterproofing. It’s a very well-rounded performer.
Best For
Drivers who want a reliable, flicker-free LED headlight with a good beam pattern, excellent weather sealing, and a blacked-out aesthetic.
Pros and Cons
Pros:
- No flickering issues due to built-in circuitry.
- Excellent waterproofing (IP67).
- Good light output from the projector design.
- Attractive black housing.
Cons:
- 60W power is solid but not the highest in this roundup.
- May have a slightly narrower beam pattern than some reflector-style LEDs.
Customer Reviews
Customer Review: “A mi esposo, le encantó este producto para los camiones (My husband loved this product for the trucks).”
Customer Review: “Husband loves them. He put them in his KW and said he can see soo much better. They are really bright and shine just right.”
10. 4×6 LED Driving Lamps with DRL and Turn Signal for Peterbilt 379 Trucks
This DOT-approved option packs multiple lighting modes into a durable, one-piece aluminum housing. It’s a versatile light that can function as a primary headlight or a powerful auxiliary lamp.
Key Features That Stand Out
✓ Four Lighting Modes: High beam, low beam, white DRL, and amber turn signal.
✓ DOT Approved and built with high-intensity LED chips (3x brighter than halogen).
✓ Rugged Aluminum Housing fully sealed, shock-proof, and weather-resistant.
✓ Versatile Design suitable as a headlight replacement or add-on driving lamp.
Why We Recommend It
Its versatility is impressive. The four-in-one functionality means you get a lot of lighting tech in a single, robust package. The aluminum construction promises great durability for the long haul.
Best For
Drivers looking for a multi-function, extremely durable light that can serve as a complete lighting solution with integrated DRL and turn signals.
Pros and Cons
Pros:
- Four functions in one compact unit (high/low/DRL/turn).
- Very durable one-piece aluminum construction.
- DOT approved for on-road use.
- Extremely bright output.
Cons:
- Wiring for four functions can be more complex than a simple two-wire headlight.
- Style may be more utilitarian/modern than classic truck styling.
Customer Reviews
Customer Review: “These AMEXMART 4×6 LED… lights look great! I love the ( ) lights! They were easy to install and look to be made well. The hardest part was finding the turn signal wire…”
Customer Review: “These 4×6 LED headlights are sturdy, bright, and attractive… The housings feel solid, and the lenses look quality. A great upgrade.”
Complete Buying Guide for Best Led Headlights For Peterbilt 379
Essential Factors We Consider
Choosing the right LED headlight is more than just picking the brightest one. Here’s what really matters for your Peterbilt 379. First, check compatibility. Most use standard 4×6 housings (like H4651, H4656), but always verify. Brightness (Lumens) is key—look for at least 3000 lumens per light on low beam. The beam pattern is crucial too; a sharp cutoff line prevents blinding other drivers. Don’t forget build quality. Look for features like IP67 waterproofing, anti-flicker circuits, and good heat sinks. Finally, DOT/SAE approval ensures the lights are legal for on-road use and have passed safety tests.
Budget Planning
LED headlights for your Peterbilt 379 range from budget-friendly to premium. You can find a solid basic pair for under $100 that will still be a huge upgrade over halogens. The $100-$200 range is the sweet spot, offering great brightness, good features like anti-flicker, and reliable brands. Over $200, you’re often paying for advanced styling (like halo rings), full assemblies with DRLs, or extreme high-output models. Remember, you usually get what you pay for in terms of longevity and beam quality. Investing in a good mid-range set often pays off in the long run.
Final Thoughts
Upgrading your Peterbilt 379’s headlights is one of the smartest and most satisfying mods you can do. It directly improves safety, reduces eye strain on long nights, and updates your truck’s look. Whether you choose our bright and stylish Best Choice, the reliably engineered Editor’s Choice, or the high-value Best Budget pick, you’re making a great decision. Focus on what’s most important to you: raw brightness, legal compliance, a custom look, or simple plug-and-play reliability. You can’t go wrong with any of the top picks on this list.
Frequently Asked Questions
Q: Are these LED headlights really plug and play for my Peterbilt 379?
A: Most are designed to be plug and play, meaning they connect to your factory headlight plug. However, a common issue is that the pin configuration (which wire is for ground, low beam, high beam) might differ from your truck’s wiring. This often requires simply moving pins within the connector, a 5-minute job with a small tool. Always check the product instructions and reviews for specific notes on pin configuration.
Q: Will I get pulled over for using LED headlights?
A: Not if you choose DOT-approved or DOT-compliant lights, like most on this list. This means they meet federal safety standards for beam pattern and brightness. The real issue is with cheap, non-compliant lights that scatter light everywhere and blind other drivers. As long as you buy quality, approved lights and aim them correctly after installation, you should have no legal issues.
Q: Do I need to install a load resistor or anti-flicker harness?
A: It depends on your truck and the headlights. Many modern LED headlights have built-in anti-flicker circuitry, so you don’t need anything extra. If your lights flicker at low RPM or your turn signals hyper-flash (if they are LED), then you may need to add a load resistor or a dedicated anti-flicker harness. It’s best to install the lights first and see if any issues occur.
Q: How long do LED headlights typically last?
A> One of the biggest advantages of LEDs is their lifespan. A quality set of LED headlights for your Peterbilt 379 can last 30,000 to 50,000 hours. That’s years and years of typical use, far outlasting halogen bulbs which last about 1,000 hours. Their solid-state design also makes them more resistant to vibration, a big plus in a heavy-duty truck.
Q: Can I use these to replace both my headlight and turn signal in one unit?
A: Yes, but you need to choose the right product. Some models on our list, like the Full LED Performance Headlights (#5) and the 4×6 LED Driving Lamps (#10), integrate a dedicated amber turn signal section into the assembly. Standard sealed-beam replacement LEDs (like #1, #2, #3) typically only handle the high and low beam functions, leaving the separate turn signal bulb as-is.
Upgrading the lighting on your Peterbilt 379 is a clear path to safer, more comfortable, and more enjoyable driving. The difference a quality set of LED headlights makes cannot be overstated—the road ahead becomes clearer, your eyes feel less tired, and your truck takes on a more commanding presence. We’ve done the research to line up the best options for every need and budget. Now, it’s your turn to take the wheel. Review our top picks, consider what features matter most for your hauls, and make the upgrade. Your night drives will thank you.
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