We researched and compared the best light bars for truck tailgates to help you choose the right one for your needs. Our evaluation is based on manufacturer specifications, published industry standards, and aggregated owner feedback from real users. Whether you need brighter reverse lights, cargo area illumination, or a rugged off-road setup, these picks cover a range of budgets and performance levels.
| Photo | Product | Score | Buy |
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Nilight 32 Inch 288W LED Light Bar Best Overall 32 inch, 288W, 18000 lumens, IP67 waterproof |
9.0 | 🛒 Check Price |
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Rigid Industries 20 Inch SR-Series LED Light Bar Premium Pick 20 inch, 100W, 7700 lumens, IP68 waterproof, lifetime warranty |
8.7 | 🛒 Check Price |
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LUXPRO 12 Inch LED Light Bar Compact & All-around 12 inch, 72W, 5000 lumens, IP67, 10-30V DC |
8.4 | 🛒 Check Price |
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Auxbeam 30 Inch 240W LED Light Bar Bright & Affordable 30 inch, 240W, 16000 lumens, IP67, spot/flood combo |
8.1 | 🛒 Check Price |
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KC HiLiTES 12 Inch LED Light Bar Classic Brand 12 inch, 60W, 4000 lumens, IP67, aluminum housing |
7.8 | 🛒 Check Price |
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GOOACC 18 Inch LED Light Bar Budget Friendly 18 inch, 120W, 8000 lumens, IP67, flood beam |
7.3 | 🛒 Check Price |
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Nilight 6 Inch 18W LED Light Bar (2 Pack) Best for Reverse Lights 6 inch each, 18W, 1200 lumens each, IP67, pair |
7.8 | 🛒 Check Price |
1. Nilight 32 Inch 288W LED Light Bar: Best Overall
This Nilight 32-inch light bar delivers impressive brightness at a reasonable cost, making it a popular choice among truck owners. The 288W output and 18000 lumens provide ample light for reversing or illuminating the cargo area. Based on owner feedback, the IP67 rating holds up well against rain and mud, though we noted that the included wiring harness could be longer for some tailgate installations.
However, the flood beam pattern is not perfectly uniform, with some users reporting slight dark spots near the center. If you need a perfectly even spread for close-up work, consider a model with a spot/flood combo. This pick is best for those who want maximum brightness per dollar and don’t mind a minor beam imperfection.
- High output 288W LED with 18000 lumens for exceptional brightness
- Durable aluminum housing with IP67 waterproof rating
- Multi-purpose mounting brackets included for tailgate or bumper installation
Pros: Excellent value for the brightness; Solid build quality with good heat dissipation
Cons: Beam pattern may have some dark spots at close range
2. Rigid Industries 20 Inch SR-Series LED Light Bar: Premium Pick
The Rigid SR-Series is a top-tier light bar known for its exceptional build quality and beam performance. The 20-inch model produces a clean, focused beam that reaches far down the road, ideal for off-road use or backing up in dark areas. Owner feedback consistently praises its durability, with many reporting years of trouble-free use even in harsh conditions.
That said, the premium comes at a steep price, and the lumen output is lower than some cheaper competitors. For casual tailgate lighting, this may be overkill. Skip this if you are on a tight budget or only need occasional illumination; it is best for serious off-roaders or those who demand the best durability and a lifetime warranty.
- Military-grade aluminum housing with IP68 submersion rating
- Optically engineered clear optics for a sharp, focused beam
- Lifetime warranty backed by Rigid Industries
Pros: Superior beam pattern with excellent distance; Extremely durable, built to last
Cons: Very expensive compared to similar sized bars
3. LUXPRO 12 Inch LED Light Bar: Compact & Flexible
The LUXPRO 12-inch light bar is a compact solution for tailgate lighting, especially if you have limited space. Its wide flood beam is perfect for illuminating the area directly behind the truck, making it great for loading or camping. Based on owner feedback, installation is straightforward even for beginners, and the IP67 rating offers decent water resistance.
However, with only 5000 lumens, it lacks the punch needed for off-road driving or long-distance visibility. If you need a light bar for high-speed reverse lighting or trail use, look for a larger model. This is best for those who prioritize a small, easy-to-install light for close-range tasks.
- Compact size fits in tight spaces under the tailgate
- Wide flood beam pattern for close-up illumination
- Easy installation with pre-wired pigtail and brackets
Pros: Small footprint, easy to mount; Good value for the price
Cons: Not very bright for long-distance lighting
4. Auxbeam 30 Inch 240W LED Light Bar: Bright & Affordable
The Auxbeam 30-inch light bar offers an impressive 16000 lumens at a low price, making it a tempting choice for budget-conscious buyers. The spot/flood combo beam works well for both close and distance lighting, and the included harness simplifies installation. Many owners praise its brightness, especially for the price.
However, we found mixed feedback on long-term durability. Some users reported moisture inside the lens after heavy rain, suggesting the IP67 seal may not be consistent. If you live in a wet climate or plan to submerge the light, you might want a more reliable option. This pick is best for occasional use in dry conditions where budget is the top priority.
- Combination spot and flood beam for versatility
- High lumen output at a budget-friendly price
- Includes wiring harness and mounting hardware
Pros: Very bright for the cost; Adaptable beam pattern
Cons: Some units have reported water ingress issues
5. KC HiLiTES 12 Inch LED Light Bar: Classic Brand
KC HiLiTES is a well-known name in off-road lighting, and this 12-inch bar continues that tradition with a sturdy build. The aluminum housing and replaceable lens add to its longevity, and the brand’s reputation for reliability is a plus. Installation is straightforward with the included harness.
However, the 4000 lumens output is modest for a light bar of this size, and the beam pattern is relatively narrow, limiting its usefulness for tailgate lighting. Considering the higher price, you are paying for the name and durability rather than brightness. Skip this if you need maximum illumination; it is best for those who value brand heritage and serviceability over raw output.
- Heritage brand with proven off-road reliability
- Solid aluminum construction and replaceable lens
- Simple plug-and-play wiring with relay
Pros: Trusted brand with good customer support; Durable and serviceable
Cons: Low lumen output for the price; Beam is narrow, not ideal for wide coverage
6. GOOACC 18 Inch LED Light Bar: Budget Friendly
The GOOACC 18-inch light bar is among the most affordable options on the market, making it accessible for those on a tight budget. Owner feedback indicates that it provides adequate light for backing up or lighting a campsite, and the flood beam covers a wide area. The included hardware makes installation easy.
However, we found that the actual output may be lower than the advertised 8000 lumens, and some units have reported flickering or premature failure. The build quality is noticeably less durable than more expensive bars. This is best for occasional, low-stakes use where cost is the primary concern; skip it if you need reliable performance in harsh conditions.
- Very low price for an 18-inch bar
- Flood beam provides wide illumination
- Includes mounting brackets and wiring
Pros: Extremely affordable; Decent brightness for the cost
Cons: Build quality is inconsistent; Not as bright as claimed in some tests
7. Nilight 6 Inch 18W LED Light Bar (2 Pack): Best for Reverse Lights
This two-pack of 6-inch Nilight bars is ideal for those who want to supplement their reverse lights or illuminate the tailgate step area. Each bar produces 1200 lumens, which is enough to see directly behind the truck but not for wide-area lighting. Owner feedback highlights the simplicity of installation, as they can be mounted under the tailgate or on the bumper.
However, the narrow beam pattern means they are not suitable as a primary light source. If you need to light up a large area, these will disappoint. They are best for adding focused light to specific zones, such as the hitch area or license plate, and are a low-cost upgrade for better visibility when backing up.
- Compact pair perfect for tailgate step or license plate area
- Easy to mount with included brackets and wiring
- Good for targeted reverse lighting
Pros: Great for adding light in tight spots; Very easy to install
Cons: Not powerful enough for main lighting; Beam is narrow and focused
Frequently Asked Questions
What size light bar is best for a truck tailgate?
The best size depends on your mounting space and intended use. For general tailgate lighting, 12 to 20 inch bars are common. Larger bars (30 inches or more) offer more brightness but may require a bumper or roll bar mount. Measure your available space before purchasing.
Can I install a light bar on my tailgate without drilling?
Some light bars come with brackets that attach to existing bolts or clamps, but most installations require drilling for a secure mount. Always check the product details for mounting options. Using existing holes under the tailgate or on the bumper can minimize drilling.
Are LED light bars legal for road use as reverse lights?
Laws vary by state and country. In many areas, aftermarket lights are legal if used only for off-road or backup purposes. They must not be used while driving on public roads unless they are DOT-approved. Check local regulations before installing.
How do I wire a light bar to my truck's reverse lights?
You can connect the light bar to the reverse light circuit using a relay and a fuse. Tap into the reverse light wire (usually at the taillight harness) to trigger the relay. Many kits include a wiring diagram. If unsure, consult a professional to avoid electrical issues.
What is the difference between flood and spot beam patterns?
Flood beams produce a wide, short-range light ideal for close-up illumination like cargo areas. Spot beams focus light into a narrow, long-distance beam for off-road driving. Combo bars have both patterns. For tailgate use, flood or combo is generally preferred.
Our Verdict
After researching and comparing the top options, our top pick is the Nilight 32 Inch 288W LED Light Bar for its excellent balance of brightness, build quality, and value. For those willing to invest more for premium durability, the Rigid Industries 20 Inch SR-Series is a runner-up, offering a lifetime warranty and superior optics. Choose based on your budget and lighting needs.
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