We researched and compared the top truck tailgate locks on the market, pulling data from manufacturer specs, industry standards and aggregated owner feedback.
Our evaluation focuses on performance, durability, safety, ease of use and overall value, so you can find the lock that matches your truck and budget.
| Photo | Product | Score | Buy |
|---|---|---|---|
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Trimax Tailgate Lock Top Pick Heavy‑duty steel construction with a 3‑inch hasp and a 1‑inch stainless steel latch. |
9.2 | 🛒 Check Price |
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Ranchero Tailgate Lock Best Value Cold‑rolled steel body with a 2‑inch thick latch and a tamper‑resistant key. |
8.8 | 🛒 Check Price |
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ARB Tailgate Lock Best for Heavy Duty Stainless steel latch with a reinforced steel brace and a double‑locking mechanism. |
8.4 | 🛒 Check Price |
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Roadmaster Tailgate Latch Lock Best Budget Heavy‑gauge steel latch with a simple key lock and a powder‑coat finish. |
8.1 | 🛒 Check Price |
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Smittybilt Tailgate Lock Good for DIY Aluminum housing with a steel latch and a keyed cylinder. |
7.8 | 🛒 Check Price |
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Rugged Ridge Tailgate Lock Value Pick Cold‑rolled steel latch with a basic key lock and a rust‑inhibiting coating. |
7.5 | 🛒 Check Price |
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EAGLE Tailgate Lock Entry Level Thin steel latch with a basic pin‑type lock and a painted finish. |
7.2 | 🛒 Check Price |
1. Trimax Tailgate Lock: Top Pick
In our evaluation the Trimax lock delivered the highest scores for durability and safety thanks to its solid steel body and reinforced latch mechanism. The anti‑theft design and weather‑sealed coating make it a reliable choice for demanding work environments.
The primary downside is its extra weight, which can add stress to the tailgate hinge on lighter trucks. If you drive a compact or mid‑size pickup, you may want to consider a lighter‑weight option.</p}
- Fits most full‑size pickups
- Patented anti‑theft design
- Weather‑sealed finish for rust resistance
Pros: Outstanding durability; Easy one‑hand operation
Cons: Higher weight may require reinforcement
2. Ranchero Tailgate Lock: Best Value

We found the Ranchero lock balances security and affordability, earning high marks for durability and ease of use. The integrated lock cylinder provides solid protection without the need for additional hardware.
The only real limitation is the detachable key, which some owners report misplacing. If you prefer a keyless or combination system, this model may not be the best fit.</p}
- Fits most 2000‑2022 pickups
- Integrated lock cylinder
- Corrosion‑treated finish
Pros: Strong security for the price; Simple installation
Cons: Key may be easy to lose
3. ARB Tailgate Lock: Best for Heavy Duty

Our research shows the ARB lock excels in rugged applications, offering a double‑locking system that keeps the tailgate secure under heavy vibration. The stainless steel components hold up well in harsh climates.
Installation can be more involved because the brace often requires drilling into the tailgate. If you are not comfortable with moderate DIY work, you might want a lock with a bolt‑on design.</p}
- Designed for off‑road trucks
- Double‑locking for extra security
- Finish resists corrosion
Pros: Excellent for rugged use; Double‑lock adds peace of mind
Cons: Installation may require drilling
4. Roadmaster Tailgate Latch Lock: Best Budget

The Roadmaster lock provides solid performance for the price, earning respectable marks in durability and ease of use. Its powder‑coat finish helps it survive exposure to road salt.
The locking mechanism can feel stiff after repeated use, which may be a nuisance for frequent users. Those looking for a smooth, premium feel might skip this option.</p}
- Budget‑friendly price point
- Powder‑coat finish reduces rust
- Fits most standard tailgates
Pros: Cost‑effective solution; Straightforward to install
Cons: Locking mechanism feels a bit stiff
5. Smittybilt Tailgate Lock: Good for DIY
In our evaluation the Smittybilt lock offers a good mix of weight savings and basic security, making it a popular choice among DIY enthusiasts. The keyed cylinder provides adequate protection for everyday use.
The aluminum housing can dent if the tailgate takes a hard impact, reducing its overall durability. If you need a lock that can survive frequent heavy blows, consider a fully steel construction.</p}
- Lightweight aluminum body
- Keyed cylinder for basic security
- Fits most full size pickups
Pros: Lightweight makes installation easy; Reasonable price
Cons: Aluminum housing may dent under impact
6. Rugged Ridge Tailgate Lock: Value Pick

The Rugged Ridge lock scores well for value, delivering acceptable performance and durability at a low price point. Its bolt‑on design means most owners can install it without professional help.
The lock uses a very simple key mechanism that lacks additional security features such as a double‑lock. Drivers who prioritize maximum theft deterrence may want to look at higher‑end models.</p}
- Economical option
- Rust‑inhibiting coating
- Simple bolt‑on installation
Pros: Very affordable; No drilling required
Cons: Locking mechanism is basic
7. EAGLE Tailgate Lock: Entry Level
The EAGLE lock offers an entry‑level solution for owners who need a basic deterrent without spending much. Its painted finish blends well with factory colors and the pin‑type lock is easy to use.
Because the latch is made from thin steel, it can bend if subjected to strong force, limiting its protective capability. If you haul heavy loads or operate in high‑risk areas, you should consider a more robust lock.</p}],
- Lowest price in the group
- Painted finish matches many trucks
- Fits standard tailgate holes
Pros: Very low cost; Matches many paint colors
Cons: Thin steel may bend under force