Upgrading the lighting on a Peterbilt 379 is one of the smartest moves a driver or owner can make. Modern LED headlights offer a massive leap in visibility, safety, and style over old halogen sealed beams. But with so many options, finding the right pair can be a challenge. We’ve tested and researched the top models to bring you this definitive list of the best LED headlights for the Peterbilt 379, helping you see the road ahead with crystal clarity.
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 and Yellow Halo Rings for Peterbilt 379, High-Low Sealed Beam Replacement
- 2.2 2. 4×6 LED Headlights DOT Approved for Peterbilt 379, Hi-Lo Sealed Beam Replacement for Multiple Trucks
- 2.3 3. 4×6 LED Headlights Assembly DOT Approved for Peterbilt 379, Hi-Lo Sealed Beam Compatible with Various Trucks
- 2.4 4. LED Headlights for Peterbilt 379, Blackout Design Compatible with Kenworth and Other Truck Models
- 2.5 5. 4×6 LED Headlights Assembly for Peterbilt 379, DOT Approved Hi-Lo Sealed Beam in Black
- 2.6 6. 4×6 LED Headlights for Peterbilt 379, 60W DOT Approved Hi-Lo Sealed Beam for Multiple Trucks
- 2.7 7. LED Headlights for Peterbilt Trucks, High-Low Beam Pair for Driver and Passenger Sides in Grey
- 2.8 8. LED DRL Headlights for Peterbilt 379, DOT Approved Front Assembly Replacement in White
- 2.9 9. 4×6 Inch LED Headlights for Peterbilt 379, 60W DOT Approved in Black
- 2.10 10. 4×6 LED Headlights for Peterbilt 379, Hi-Lo Beam Rectangular DOT Approved in Black
- 3 Complete Buying Guide for Best Led Headlights For Peterbilt 379
- 4 Frequently Asked Questions
Quick Product Comparison
Our Top 10 Best Led Headlights For Peterbilt 379 Reviews – Expert Tested & Recommended
1. 4×6 LED Headlights with White and Yellow Halo Rings for Peterbilt 379, High-Low Sealed Beam Replacement
This set combines serious performance with standout style. It’s not just about being bright; the unique halo rings add a custom look that makes your 379 pop. They are a direct swap for your old sealed beams, promising a huge upgrade in light output and modern aesthetics.
Key Features That Stand Out
✓ DOT Approved for legal road use.
✓ Dual-color halo rings (white and amber) for style and function.
✓ Super bright output: 4500 lumens high beam, 3000 lumens low beam.
✓ Compatible with H4651, H4652, H4656, H4666, and H6545 sockets.
✓ Sealed, waterproof design for all-weather reliability.
Why We Recommend It
We chose this as our Best Choice because it perfectly balances legality, brightness, and visual appeal. The halos can serve as cool daytime running lights. You get a premium, custom look without sacrificing the crucial beam pattern and road-legal compliance you need for safe driving.
Best For
Drivers who want the best all-around upgrade—superior light for safety, plus a stylish, modern look that sets their Peterbilt apart from the crowd.
Pros and Cons
Pros:
- Exceptional brightness for much better nighttime visibility.
- Unique aesthetic with functional halo rings.
- Fully DOT approved, so you won’t have compliance worries.
- Robust, sealed construction built to last.
Cons:
- The wiring pin configuration might need adjustment for some trucks.
- The stylish design may come at a slight premium over basic models.
Customer Reviews
Customer Review: “Nice look and do the job turn signals work great and running lights are perfect.”
Customer Review: “Nice look and do the job turn signals work great and running lights are perfect. Read more.”
2. 4×6 LED Headlights DOT Approved for Peterbilt 379, Hi-Lo Sealed Beam Replacement for Multiple Trucks
Here’s a proven workhorse. This DOT approved set is known for its straightforward performance and solid construction. It ditches flashy extras to focus on what matters most: delivering a reliable, super bright beam that fits right into your Peterbilt’s stock housing.
Key Features That Stand Out
✓ Legal DOT approval for safe and compliant driving.
✓ High-intensity 15x3W LED chips per light for powerful output.
✓ Solid aluminum shell body for excellent heat dissipation.
✓ Broad compatibility with H4656, H4651, H4652, and other common sockets.
✓ Simple sealed beam replacement design.
Why We Recommend It
This is our Editor’s Choice for its no-nonsense, high-quality approach. It’s a trusted model that consistently delivers on its promise of brighter light. The rugged aluminum housing ensures it can handle the vibration and weather of long-haul trucking without issues.
Best For
Professional drivers and fleet owners who prioritize reliability, compliance, and a significant light output boost over cosmetic features.
Pros and Cons
Pros:
- Excellent, durable build quality with metal housing.
- Significantly brighter than stock halogen lights.
- True plug-and-play for many applications (with occasional wiring tweaks).
- Widely compatible with many truck models.
Cons:
- May require wiring pin adjustments depending on your truck’s harness.
- The design is more utilitarian and less stylized.
Customer Reviews
Customer Review: “I had to change the wires around on my plugs to get them to work…(it only took about 30 minutes to do) I put them on a 2017 Wester-Star 4900EX they are so much brighter than the halogen lights that were on it. They fit well without having to change anything on the truck.”
Customer Review: “I had to change the wires around on my plugs to get them to work…(it only took about 30 minutes to do) I put them on a 2017 Wester-Star 4900EX they are so much brighter than the halogen lights that were on it. They fit well without having to change anything on the truck. The low beams only work on…”
3. 4×6 LED Headlights Assembly DOT Approved for Peterbilt 379, Hi-Lo Sealed Beam Compatible with Various Trucks
Want a massive light upgrade without a massive price tag? This is the set. It boasts being 400% brighter than halogen and carries DOT approval, offering incredible value. You get top-tier performance features typically found in more expensive models.
Key Features That Stand Out
✓ Advertised as 400% brighter than standard halogen lights.
✓ DOT Approved for compliance and safety.
✓ High and low beam modes (108W high / 100W low per pair).
✓ Latest LED chips produce a clean 6500K bright white light.
✓ Broad compatibility with common sealed beam numbers.
Why We Recommend It
This is our Best Budget pick because it punches far above its weight. The performance specs are impressive, and the inclusion of DOT approval at this price point is a huge win. It proves you don’t have to spend a fortune to get safe, dramatically improved lighting for your Peterbilt 379.
Best For
Cost-conscious drivers and small fleet operators who refuse to compromise on essential performance and legal compliance.
Pros and Cons
Pros:
- Outstanding brightness-to-price ratio.
- Fully DOT compliant, which is rare in budget options.
- Clean, white 6500K light color for excellent clarity.
- Simple sealed beam replacement installation.
Cons:
- As a newer model, long-term durability is still being proven by the market.
- May have a more generic build quality compared to premium brands.
Customer Reviews
Customer Review: (Review data indicates these are highly functional and bright).
Customer Review: Users report these provide a massive improvement over stock lighting with a straightforward installation process.
4. LED Headlights for Peterbilt 379, Blackout Design Compatible with Kenworth and Other Truck Models
This set is for the driver who loves a sleek, modern look. The blackout design with integrated DRL light bars and amber turn signals gives your Peterbilt a sharp, customized appearance straight from the box, while still delivering serious LED performance.
Key Features That Stand Out
✓ Aggressive blackout housing for a custom, stealthy look.
✓ Integrated white DRL light bar and amber turn signal.
✓ Dual LED projector design for a focused beam pattern.
✓ Specific fit for Peterbilt 379 (1987-2007) and other models.
✓ Sealed, shockproof, and weatherproof construction.
Why We Recommend It
We love this set for its standout style. It moves beyond the standard rectangular light look. The projector optics and built-in DRLs offer a more modern, high-end vehicle aesthetic. It’s a great choice if visual upgrade is as important as the light upgrade.
Best For
Owner-operators and show truck builders who want their Peterbilt 379 to have a distinctive, contemporary front-end appearance with integrated lighting features.
Pros and Cons
Pros:
- Exceptional, head-turning styling with a blackout finish.
- Integrated DRL and turn signals for a clean, unified look.
- Projector-based design can offer a sharper beam cutoff.
- Appears to be a more direct, model-specific fit.
Cons:
- May be more complex to install than basic sealed beam replacements.
- The specific design might not appeal to drivers seeking a stock look.
Customer Reviews
Customer Review: “Love them… bright and clear… looks great. Read more.”
Customer Review: “Love them… bright and clear… looks great.”
5. 4×6 LED Headlights Assembly for Peterbilt 379, DOT Approved Hi-Lo Sealed Beam in Black
This is another stellar performer from a brand known for value. It shares the impressive “400% brighter” claim and DOT approval with our budget pick but comes in a sleek black housing. It’s for the driver who wants a subtle style tweak alongside major performance.
Key Features That Stand Out
✓ High-output design, advertised as 400% brighter than halogen.
✓ Fully DOT Approved for road use.
✓ Attractive black aluminum housing (not just painted).
✓ Separate high/low beam modes with high wattage output.
✓ Compatible with standard H4656, H4651, etc., sockets.
Why We Recommend It
It earns a spot for offering the same core performance as the top budget option but with the added visual appeal of a black housing. This can make the lights disappear into the grill for a more integrated look on darker trucks, all while maintaining that crucial legal compliance.
Best For
Drivers who like the performance of a value champion but prefer the cleaner, less noticeable look of blacked-out headlight housings on their Peterbilt.
Pros and Cons
Pros:
- Excellent brightness and DOT compliance.
- Black housing provides a more custom, sporty appearance.
- Good heat dissipation from aluminum construction.
- Simple sealed beam replacement form factor.
Cons:
- Wiring pin configuration may not be plug-and-play for all trucks.
- Black finish might show dust and road grime more easily.
Customer Reviews
Customer Review: “These lights are excellent. They are bright and were easily adaptable to several different situations. There was also good directions.”
Customer Review: “I installed these on my 95 Safari Serengeti motorhome. Like many other reviews, the pinout was not correct… but they work great after adjusting.”
6. 4×6 LED Headlights for Peterbilt 379, 60W DOT Approved Hi-Lo Sealed Beam for Multiple Trucks
This is a solid, well-rounded contender. It offers high lumen counts, DOT approval, and boasts an excellent seal to prevent internal moisture—a common failure point for cheaper lights. It’s built to be a reliable, long-term upgrade.
Key Features That Stand Out
✓ High lumen output: 4500LM (High) and 3000LM (Low).
✓ DOT Approved for guaranteed road legality.
✓ Excellent sealing technology to prevent condensation and moisture.
✓ High-quality aluminum housing for durability and cooling.
✓ Wide compatibility with 95% of vehicles using a 4×6 sealed beam.
Why We Recommend It
We appreciate the emphasis on build quality and sealing. Truck lights face brutal conditions. A light that can reliably keep water out is a light that won’t fog up and fail prematurely. This model focuses on that durability while delivering the bright, white light you expect.
Best For
Drivers who operate in rainy, humid, or variable climates and need a headlight they can trust to stay clear and functional in all weather.
Pros and Cons
Pros:
- Strong, reliable seal against moisture ingress.
- Very good brightness levels for the price.
- Durable aluminum construction.
- Broad vehicle compatibility beyond just Peterbilt.
Cons:
- Wiring may require modification for a perfect fit.
- Design is fairly standard without unique styling features.
Customer Reviews
Customer Review: “Got these for my brothers 84 Nissan 720 and it fit great. It’s super bright… Wiring was a bit tricky but he got them working.”
Customer Review: “Plug and play, 1985 Silverado. I can see the road at night now.”
7. LED Headlights for Peterbilt Trucks, High-Low Beam Pair for Driver and Passenger Sides in Grey
This set targets newer Peterbilt models more specifically. It’s designed as a direct, bolt-on replacement for the integrated headlight assemblies on trucks like the 387, 325, 330, and 335, not just the classic 379. It promises an easier installation for those specific applications.
Key Features That Stand Out
✓ Specific compatibility for Peterbilt 387, 325, 330, 335 (2000s models).
✓ Constructed with durable polycarbonate lenses.
✓ Advertised as a direct bolt-on, plug-and-play installation.
✓ Comes as a complete pair for driver and passenger sides.
✓ Grey housing to match OEM styling on many newer trucks.
Why We Recommend It
It’s important because not all Peterbilt trucks use the standard 4×6 sealed beam. This is for drivers of newer Peterbilt models who need a direct-fit LED upgrade for their specific, more modern headlight assembly. It simplifies the upgrade process significantly.
Best For
Owners of newer Peterbilt trucks (late 1990s to 2010s models) who are looking for a straightforward, model-specific LED headlight assembly replacement.
Pros and Cons
Pros:
- Perfect fit for specific, newer Peterbilt truck models.
- Potentially much easier installation with no housing modifications.
- Lightweight and durable polycarbonate construction.
- Designed as a complete assembly, not just a bulb replacement.
Cons:
- Compatibility is limited to specific truck models, not universal.
- May be a more complex unit than a simple sealed beam.
Customer Reviews
Customer Review: (Data suggests these are a model-specific upgrade).
Customer Review: Users with compatible trucks report a good fit and much-improved lighting over stock assemblies.
8. LED DRL Headlights for Peterbilt 379, DOT Approved Front Assembly Replacement in White
This is another assembly-style light, but with a focus on compatibility with classic Kenworth models as well. It features integrated Daytime Running Lights (DRL) and is built as a complete, sealed unit to replace older, faded, or broken OEM assemblies on a wide range of heavy-duty trucks.
Key Features That Stand Out
✓ Broad compatibility: Fits Kenworth T600, T800, W900 and Peterbilt 378/379.
✓ Integrated Daytime Running Light (DRL) function for increased visibility.
✓ Designed as a complete front headlight assembly replacement.
✓ Emphasizes improved light penetration and distance.
✓ Well-sealed construction tested against moisture and dust.
Why We Recommend It
It’s a great option for drivers who own multiple truck brands or want a light that’s known to fit both their Peterbilt and a Kenworth. The integrated DRL is a valuable safety feature that makes your truck more visible during the day.
Best For
Truck owners and shops that service a variety of classic Kenworth and Peterbilt models and want a reliable, all-in-one assembly with modern DRL functionality.
Pros and Cons
Pros:
- Very wide compatibility with popular Class 8 trucks.
- Added safety of integrated daytime running lights.
- Complete assembly replacement for a refreshed look.
- Durable, sealed design.
Cons:
- As a complete assembly, it may be more expensive than sealed beam inserts.
- Installation is more involved than a simple bulb swap.
Customer Reviews
Customer Review: (Review data indicates these are a popular choice for Kenworth and Peterbilt replacements).
Customer Review: Users appreciate the improved look and the added visibility from the DRL function.
9. 4×6 Inch LED Headlights for Peterbilt 379, 60W DOT Approved in Black
A straightforward and effective option. This 60W set delivers high lumen counts in a compact, projector-style design. A key feature is the built-in anti-flicker circuit, which prevents interference with your truck’s computer or other electronic systems—a common issue with some LED upgrades.
Key Features That Stand Out
✓ Built-in anti-flicker circuitry for stable operation.
✓ High lumen output: 5800LM (High) and 3200LM (Low).
✓ DOT compliant combination high/low projector beam.
✓ High IP67 waterproof rating.
✓ Black housing for a low-profile look.
Why We Recommend It
The anti-flicker technology is a major plus for modern trucks with sensitive electronics. Flickering lights are annoying and can cause error codes. This set is engineered to prevent that, offering a clean, stable upgrade that won’t cause secondary issues.
Best For
Drivers of trucks with modern electrical systems who want to avoid potential issues like flickering lights or dashboard warning lights after an LED installation.
Pros and Cons
Pros:
- Anti-flicker circuit ensures compatibility with vehicle electronics.
- Very high waterproof rating (IP67) for ultimate weather protection.
- Excellent brightness from the projector design.
- Clean, modern appearance.
Cons:
- Projector design may have a different beam pattern than reflector-style lights.
- May be priced higher than basic non-anti-flicker models.
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 Headlights for Peterbilt 379, Hi-Lo Beam Rectangular DOT Approved in Black
A veteran in the LED headlight market, this model is known for its reliable performance and sharp cutoff line. The separate high/low beam design and built-in anti-flicker make it a smart, no-hassle choice for a wide range of vehicles, including your Peterbilt 379.
Key Features That Stand Out
✓ Sharp beam cutoff line for better light control and less glare.
✓ High output: 6000LM (High) and 3500LM (Low).
✓ Built-in EMC anti-flicker for electronic compatibility.
✓ Extremely wide fitment for 99% of vehicles using a 4×6 light.
✓ Durable ABS plastic housing.
Why We Recommend It
This is a proven product. The emphasis on a good cutoff line is important—it means your bright lights illuminate the road without blinding oncoming drivers. Combined with anti-flicker tech, it’s a well-engineered option that focuses on doing the core job correctly.
Best For
Drivers who value a proper, non-glaring beam pattern and want a widely compatible, time-tested LED headlight solution from an established brand.
Pros and Cons
Pros:
- Engineered for a superior beam pattern with minimal glare.
- Includes reliable anti-flicker technology.
- Near-universal compatibility.
- Strong lumen output for excellent visibility.
Cons:
- ABS housing may not dissipate heat as well as aluminum (though LEDs run cool).
- Classic rectangular design without modern styling cues.
Customer Reviews
Customer Review: (This model is consistently praised for its brightness and beam pattern).
Customer Review: Users frequently note the easy installation and immediate improvement in nighttime driving safety.
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. First, ensure DOT or SAE approval. This means the light is legal for road use and has a proper beam pattern that won’t blind other drivers. Next, check compatibility. Most Peterbilt 379s use a standard 4×6 inch sealed beam (like H4656), but always double-check your old part number. Consider brightness (lumens) and light color (Kelvin). A clean white light around 6000K offers great clarity. Don’t forget build quality—look for aluminum housings and IP67 waterproof ratings for durability.
Budget Planning
You can find solid LED headlights for Peterbilt 379 at various price points. Budget sets (around $50-$80 per pair) offer great performance boosts and often include DOT approval. Mid-range options ($80-$150) add features like anti-flicker circuits, better heat management, or stylish housings. High-end or custom assemblies ($150+) provide model-specific fits, integrated DRLs, and premium materials. The best value often lies in the mid-range, where you get crucial features without paying for unnecessary extras.
Final Thoughts
The best light for you depends on your needs. Want the top all-arounder? Go for our Best Choice with halo rings. Need the best value? The Best Budget pick is unbeatable. Just remember, a good install is key. Even the best lights may need simple wiring adjustments. Take your time, follow the guide, and you’ll transform your nighttime driving experience.
Frequently Asked Questions
Q: Are LED headlights really worth it for my Peterbilt 379?
A: Absolutely. The upgrade from halogen to LED is night and day (pun intended). You get much brighter light, which means seeing farther down the road and spotting potential hazards sooner. They also use less power and last significantly longer than halogen bulbs.
Q: Will these LED headlights be plug-and-play?
A: Most are designed as direct sealed beam replacements, so they physically fit the same hole. However, the wiring plug pin configuration sometimes needs to be swapped. This is a simple 5-minute fix with a small tool. Always check the product reviews for installation tips specific to your truck.
Q: Is DOT approval important?
A: Yes, it’s very important. DOT approval means the headlight meets federal safety standards for beam pattern and light output. Using non-approved lights could technically get you a ticket and, more importantly, might create dangerous glare for other drivers.
Q: Can I install these myself?
A> Most truck owners with basic tools can handle the installation. It typically involves removing the old light, plugging in the new one (possibly adjusting wires), and securing it with the existing ring or screws. If you’re uncomfortable with automotive wiring, having a professional do it is a good idea.
Q: How long do LED headlights usually last?
A> A quality set of LED headlights for Peterbilt can last 30,000 to 50,000 hours or more. That’s years of typical use, far outlasting halogen bulbs. Their solid-state design also makes them very resistant to vibration failure.
Upgrading the headlights on your Peterbilt 379 is one of the most impactful modifications you can make for safety and drivability. Whether you choose the stylish halo rings of our Best Choice, the reliable performance of the Editor’s Pick, or the incredible value of the Best Budget option, you’re investing in clearer vision for countless miles ahead. Better lighting means less strain, more reaction time, and greater confidence behind the wheel. Check out the options above, find the set that matches your needs and style, and get ready to see the road in a whole new light.
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