It is always difficult when it comes to decide and making final call choosing 5th wheel trailer lock, hence we are here today so be sure to check the product reviews that will solve your confusion and save time. Reviews are a great way to find out if the product is right for you and whether it has any design flaws. If there are multiple bad reviews, you may want to look at other products. Negative reviews can tell you a lot about the product, including things you may not have thought to consider. They can tell you about any potential issues with the product. They can also tell you about issues with the manufacturer’s customer service. To help you out, we’ve collected reviews of what we think are the 5th wheel trailer lock this year. Before you proceed with anything, read through our thoughts on the top 5th wheel trailer lock, as well as an overview of what you need to know when considering your buying
In this in-depth review guide, we will discuss about the best 5th wheel trailer lock.
Our Top Picks
1
BOYISEN 5th Wheel King Pin Lock Solid Steel Anti Theft Fifth Wheel Hitch Lock for RVs, Semi Trailers and Campers with Handles Warning Tag
BYERN AUTO 5th Wheel King Pin Lock, Heavy Duty King Pin Lock with Anti-Theft Warning Tag & 2 Keys, Fifth Wheel Hitch Lock for RVs, Semi Trailers and Campers...
More Convenient with Handle, Compared with other kingpin lock, BOYISEN trailer kingpin Lock add handle and turn cylinder outward instead of downward, more convenient while lock or unlock for 5th wheel
Keyed Unique, no worry about another BOYISEN kingpin lock owner will have the same key. BOYISEN anti theft trailer lock using blossom lock, not easy to break; Come with 3 keys for your lock, so you can keep one as backup
Heavy Duty Construction: This 5th wheel hitch lock is made of solid steel instead of casting steel, strong enough for weather resistant, hard to break. The heavy duty steel will add more difficulties for steal drills, and lasts for years
Key Lost? No Worrying! In 2025 batches locks, there's a key ID printed on the key, please note it down or take a photo of it, provide us with the key ID to copy the key if your keys are lost
High Visibility: This Kingpin lock is designed with a warning tag, so you could notice if it is still stay in place, and remind you of removing it when you want to hitching
Universal Fit: ideal for trucking companies, RV dealers or fleet drivers, used for RVs, Boats and Campers Semi-Truck
BOYISEN 5th Wheel King Pin Lock Solid Steel Anti Theft for RVs, Container Trailers and Campers with Handles Warning Tag 3 Keys Black
More Convenient with Handle, Compared with other kingpin lock, BOYISEN trailer kingpin Lock add handle and turn cylinder outward instead of downward, it will be more convenient while lock or unlock for 5th wheel under trailer
Keyed Unique, no worry about another BOYISEN kingpin lock owner will have the same key. Unlike other 5th wheel lock using flat keys, BOYISEN anti theft trailer lock using blossom lock, not easy to break; Come with 3 keys for your lock, so you can keep one as backup
Heavy Duty Construction: This Trailer Lock is made of solid steel instead of casting steel, strong enough for weather resistant, hard to break. The heavy duty steel will add more difficulties for steal drills, and lasts for years
High Visibility: This Kingpin lock is designed with a warning tag, so you could notice if it is still stay in place, and remind you of removing it when you want to hitching
Universal Fit: ideal for trucking companies, RV dealers or fleet drivers, used for RVs, Boats and Campers Container Trailer
Guaranteed Pleasing Experience, if you aren't 100% satisfied for any reason, please contact us via Amazon message, we will refund your money
RUGGED WEATHERPROOF EPOXY POWDER COAT AND LIMITED LIFETIME WARRANTY: Protects against rust, corrosion, and environmental damage for lasting performance while providing manufacturers guarantee of quality
FULL COLLAR DESIGN: Prevents grease transfer while adding structural reinforcement for enhanced security
EASY PUSH BUTTON LOCK DESIGN: Simple and intuitive locking system for quick and secure trailer protection
ULTRA TOUGH ALUMINUM ALLOY: Strong yet lightweight material provides durability without added weight
EASY TO INSTALL: Designed for a fast and hassle-free installation process
BOYISEN 5th Wheel King Pin Lock Solid Steel Anti Theft for RVs, Container Trailers and Campers with Handles Warning Tag 3 Keys Red
More Convenient with Handle, Compared with other kingpin lock, BOYISEN trailer kingpin Lock add handle and turn cylinder outward instead of downward, it will be more convenient while lock or unlock for 5th wheel under trailer
Keyed Unique, no worry about another BOYISEN kingpin lock owner will have the same key. Unlike other 5th wheel lock using flat keys, BOYISEN anti theft trailer lock using blossom lock, not easy to break; Come with 3 keys for your lock, so you can keep one as backup
Heavy Duty Construction: This Trailer Lock is made of solid steel instead of casting steel, strong enough for weather resistant, hard to break. The heavy duty steel will add more difficulties for steal drills, and lasts for years
High Visibility: This Kingpin lock is designed with a warning tag, so you could notice if it is still stay in place, and remind you of removing it when you want to hitching
Universal Fit: ideal for trucking companies, RV dealers or fleet drivers, used for RVs, Boats and Campers Container Trailer
Guaranteed Pleasing Experience, if you aren't 100% satisfied for any reason, please contact us via Amazon message, we will refund your money
RVMATE 5th Wheel Lock, Heavy Duty Steel King Pin Lock with Anti-Theft Warning Tag, for 5th Wheel/Semi Trailers/RVs/Containers
[Keep Your 5th Wheel Secure] : King pin lock can prevent thieves from connecting your fifth wheel kingpin and avoid unauthorized movement. The durable construction, eye-catching yellow lock and tag serve as a warning and deterrent against theft to keep your 5th wheel secure.
[Dimension]: The dimension of the trailer king pin lock is 83 mm in height, with an internal diameter of 74mm, a universal fit for 50 mm diameter trailer pins. Thus, the lock can be widely applied in semi trailers, 5th wheels, trucks, boats, containers and many other scenarios.
[High Quality Material]: Trailer king pin is made of heavy duty steel copper, processed with welding construction. The surface adopts electrostatic treatment, featuring the body with weather resistance and anti-rust, making it sturdy enough and hard to break even by experienced thieves. Therefore effectively increase the safety factor and reduce the probability of theft when installed onto trailer.
[Warning Tag]: The main tone of bright yellow designed as a sign of strong visible warning. The chain with fluorescent warning tag hanging down passes on message to someone to try and steal : Caution! King pin lock installed! If a would-be thief sees the lock, they'll likely move on to an easier target.
[Easy to Use]: The trailer hitch lock is rather easy to use. You just need to engage the lock onto the trailer hitch, then insert the key into lock cylinder and rotate 180 degrees, the king pin lock firmly installed. (Attention: Every lock has its own keys. Different locks don't share the keys.)
Heavy-Duty - King Pin Lock | Strong Tough Steel | Fifth Wheel Trailer Lock | Anti-Theft for RVs, Trailers, etc | with Bright Caution Tag Deterrent and Air...
EYE-CATCHING WARNING LABELS:This 5th wheel King Pin lock comes with a 12-inch chain and bright red warning label tag attachment that will remind you to remove it before hitching. Each warning label has a warning message in English to keep you safe.
HIGH STRENGTH MATERIAL:This king pin lock is made of high-strength iron for durability, weather resistance and resistance to damage. This lock is coated with a double layer of electrophoretic paint to prevent corrosion and rust for a more reliable performance, it is perfect for protecting your trailer on the road or hauling.
UNIQUE DESIGN:The Kingpin lock is easy to lock and unlock, takes seconds to install and comes with two keys so you don't have to worry about losing them.
PRECISION ANTI-THEFT DESIGN:This fifth wheel king pin lock can well enclose the main pin lock to effectively prevent drills, saws and other damaging tools. The heavy-duty precision mechanism protects your trailer perfectly so you don't have to worry about it.
UNIVERSALITY:The 5th wheel king pin lock is the best choice for RVs, boats, and camping semi-trailers, the petite size can be applied to a wide range of vehicles, adding convenience to your journey.
WAR-LOK TKP-10 5th Wheel King Pin Lock, Anti-Theft Trailer, Heavy Duty Steel
Designed for dropped/untethered trailers. Perfect to secure truck, boat, and RV trailers. Protects expensive cargo stored in a dropped trailer from a would-be thief tractor.
Deflects the fifth wheel plate of a thief tractor. Our lock lock is long lasting and dependable. Lock Exterior: The cast steel King Pin Lock is nearly impenetrable.
WEIGHT: 5.044 lbs DIMENSIONS: 12 × 9 × 2.875. Conical shape. Convenient handle included Made of cast steel
Rotating Disk Lock Technology; This makes it nearly impossible for a thief to pick your lock.
Lost keys can be replaced, if registered with manufacturer. Number listed on key tag needed.
DC Cargo Mall 5th Wheel King Pin Lock Solid Steel - Weather Resistant, Anti-Theft Fifth Wheel Key Lock, for RV & Semi Trailers
5TH WHEEL KINGPIN LOCK - Secure your semi trailer with our reinforced heavy duty No. 45 steel cuff 5th wheel hitch lock with side key precision copper key lock cylinder that can only be opened with your key (2 included).
ANTI THEFT DESIGN - Popular in travel trailer accessories, we've encircled the entire kingpin lock in a solid steel cage that is rust and weather resistant and extremely durable to drills, saws and other break in tools. The precision locking mechanism is extremely hard to defeat to give you ultimate peace of mind.
TRUSTED BY THE PROS - Professional semi truck fleets and RV sellers trust the DC Cargo Mall 5th wheel king pin locks to secure their fleets, vehicles, trailers and expensive equipment. Now small business owners and personal RV and truck owners can take advantage of our professional grade security locking system.
HIGH VISIBILITY WARNING TAG - Each 5th wheel lock has a 12" chain secured bright red warning label tag attachment that will remind you to remove it before hitching. Park your truck, trailer or RV in a high visibility area and remain calm in the knowledge your 5th wheel king pin lock is secure from theft.
EASY TO USE - It's extremely difficult for anyone without the key to remove your 5th wheel king pin lock, but installing it only takes a few seconds. Simply attach it to your 5th wheel dock, use the included key to lock it and your equipment is set until you're ready to remove it.
BYERN AUTO 5th Wheel King Pin Lock, Heavy Duty King Pin Lock with Anti-Theft Warning Tag & 2 Keys, Fifth Wheel Hitch Lock for RVs, Semi Trailers and Campers...
Effective Security: Trailer kingpin lock deterring thieves from connecting to your fifth wheel king pin, effectively avoid unauthorized movement. When the lock is engaged, its heavy-duty precision mechanism offers perfect protection for your trailer
High Quality Materials: 5th wheel king pin lock is made of heavy-duty steel copper with a welded construction finish. The body is weather and rust resistant, making it strong and long-lasting
Warning Tag: Fifth wheel lock comes with a warning tag that will not only remind you to remove it before hitching but once seen by potential thieves they will almost always move on to an easier target
Universal Fit: King pin lock is compatible with semi-trailers, fifth wheels, yachts, container trailers, and campers. Trailer hitch lock is ideal for trucking companies, RV dealers and fleet drivers
Easy To Use: 5th wheel hitch lock is very easy to use, insert the key and turn it 180 degrees to lock, and we provide 2 keys for your lock so you can keep one as a spare
The Video Review of Best 5th wheel trailer lock
Conclusion
Our best overall 5th wheel trailer lock, the Perception and the reviews helps assist to choose you the product better. We hope our reviews buyer guide of these 5th wheel trailer lock will help you pick the perfect 5th wheel trailer lock for you and your buying decision making.