Best Cargo Trailer Door Lock in 2023: Top 10 Picks

Sometimes it might be quite difficult to find the best cargo trailer door lock. With every niche market offering so many different products, it makes sense that this is the case.

Unfortunately, this very fact can make it incredibly difficult to find the item that best suits your needs, which is why we’ve put together this cargo trailer door lock buying guide.

Our Top 10 Recommendations:

10 Best Cargo Trailer Door Lock Reviews:

SaleBestseller No. 1
Kohree RV Trailer Camper Entry Door Lock Handle, Polar Chrome RV Door Lock Replacement with Deadbolt, Upgrade Zinc Alloy Security Kit for Camper, Travel, Horse Trailer, Cargo Hauler
  • 🔒ORIGINALITY PROCESS: The Kohree RV lock is well-constructed with multiple casting process and aluminum alloy material. Featuring the high hardness, each side is carefully designed to be safe and durable. Oxidation treatment, wear resistance. Smooth surface, hand good sense of easy open. The classic square silhouette shows the ingenious imagination of the designer from Kohree.
  • 🔒PREMIUM & DURABLE: Thickened solid base for stable installation. Selected quality aluminum alloy and IPX3 waterproof material, providing years of dependability and durability for long-term outdoor use. Additionally, the keys are made of ALL metal and it is not easy to fracture.
  • 🔒LONGER SCREWS: Comes with 4 EXTRA, 3MM LONGER screws(12 total), not worry about screws too short or any unfit any more. Includes everything for installation: door latches, 4 keys, 12 screws and 2 plates, easy operation.
  • 🔒VERSATILE DOOR LOCK: Fits most RV doors (hole cutout is 2.67'' x 3.6'' and door thickness from 1.25" to 1.5"). It can be widely applied in travel trailers, campers, trucks, horse trailers, cargo haulers, etc., practical for protecting the contents in cars.
  • 🔒SAFE & PROTECTIVE: With built-in deadbolt and function of back locking, it’s much safer than normal lock. Inside and outside double open, mute design and smooth switch, not card lock, better protecting your goods and commercial material from thefts.
Bestseller No. 2
Trimax THP2XL Keyed Alike Trailer Door Lock, (Pack of 2)
  • Protects against bolt cutters, no exposed shackle to cut or saw
  • Enlarged opening covers and secures ALL trailer hasps
  • Solid steel and thicker body with 3/8" diameter internal shackle
  • 2-7/8" Diameter
  • Two pack of THPXL are keyed alike
Bestseller No. 3
RISTOW Upgraded RV Entry Door Lock with Paddle Deadbolt, RV Travel Trailer Entry Door Lock with Keys for Camper Horse Trailer Cargo Hauler Door Latch Handle Replacement
  • 【FITS MOST RV DOOR LOCK】Fits most RV doors (hole cutout is 2.67'' x 3.6'' and door thickness from 1.25" to 1.5"). This RV door lock fit doors with hinges on the right side. Not fit CLASS A or CLASS C RVs. Please check your RV door's size before buying.
  • 【ANTI-THEFT & DURABLE】Each lock is the unique and with the unique keys. You can enjoy your trip to the fullest without worrying about the belongings in the RV. RV door locks with built-in deadbolt better protecting your security, travel worry free.
  • 【UPGRADED HIGH QUALITY】RISTOW RV door locks select high-quality zinc alloy materials, which are constructed by a variety of casting processes and have high hardness. The IP67 waterproof technology allows RISTOW RV locks to work well in a variety of environments. It is more durable than Aluminum alloy or plastic, corrosion-resisting, oxidation treatment, wear resistance. The surface is smooth, the hand feels good.
  • 【EASY TO INSTALL】Each kit arrives ready to install and includes 1x RV door handle, 4x mechanical keys, 10x different length screws, 1x screwdriver, mounting hardware, install guide. Install it within 10-minutes! With this lock, you can replace a broken lock yourself, thus avoiding expensive repairs.
  • 【WORRY FREE】 RISTOW provide lifetime service for our product quality problem, if you have any questions, please feel free to contact us, we will solve the problem.
Bestseller No. 4
Equipment Lock HDCDL Steel Heavy Duty Cargo Door Lock
  • DURABLE, TOUGH DOOR LOCK LATCH: Secures both doors of all semi-trailers by locking the two innermost vertical locking bars together. Easy use, no mounting required.
  • KEEP YOUR BELONGINGS SECURE: Secures the landing gear hand crank in place preventing the landing gear from being raised.
  • KEYED SECURITY LOCK: Built in high security barrel lock system or combination lock. Set 4 digit code.
  • HIGH QUALITY SEMI TRUCK ACCESSORIES: Powder-coated red for high visibility and to help resist corrosion. Made with a tubular pin tumbler lock for pick resistance.
  • PERFECT SIZE: Adjustable to fit doors with vertical locking bars from 9-3/4" to 16" apart. Made of two square steel tubes, one 2" and one 2-1/2", with 3/16” thick walls. An extension is available for the Heavy Duty Cargo Door Lock for odd size container bars 17-23 inches apart.
SaleBestseller No. 5
Trimax THP3XL Hockey-Puck Shackle Trailer Door Lock-3 Pack, Silver
  • TRIMAX Corporation is the world’s leading lock manufacturer providing customers’ high quality products through innovative design
  • Easy to use
Bestseller No. 6
Tough Grade 36" Cam Bar Lock Assembly Side Door Enclosed Trailer
  • 36" length
  • 3 1/4" distance between hinge holes
  • Hasp Included
  • No mounting hardware included
Bestseller No. 7
MKING RV Entry Door Lock, Camper Lock, Travel Trailer Door Latch, Zinc Alloy Lock Replacement Kit with Paddle Deadbolt 4 Keys, for Camper Horse Trailer Cargo Hauler, Black
  • 💛【Strong and Sturdy】: RV door lock made of zinc alloy, high-quality zinc alloy is more durable than aluminum alloy, anti-ultraviolet, wear-resisting, corrosion-resistant, full metal finish, bright and smooth, strong and reliable.
  • 💛【Security and Anti-Theft】: Camper door lock built-in deadbolt and rear lock function, safer than ordinary locks. Can double open the door lock inside and outside. Open the door lock easily and feel smooth.
  • 💛【Easy to install】: Install the front half of the RV lock, install the board and tighten the screws, and then install the rear half of the RV lock and tighten the screws.
  • 💛【Wide Application】: New RV entry door locks fits most RV doors, hole cutout 2.67'' x 3.6'', door thickness from 1.25" to 1.5". For camper, cargo, truck, travel trailers.
  • 💛【Package Include】: 1*lock, 2*plate, 4*keys, 12*screws. Three kinds of screws with different lengths, a wider range of application. Own the four keys with your family, making travel more convenient.
Bestseller No. 8
BJTDLLX 2pcs Van Door Lock & Hasp Set, Hidden Shackle Garage Shed Door Master Lock Security Padlock, Heavy Duty Steel Trailer Door Lock Cargo Van Lock Hasp Padlock Kit 73mm with 2Locks and 4Keys
  • 【Concealed Shackle Padlock】The concealed shackle padlock has a 73mm steel lock with a buckle and a base thickness of 4.5mm. The trailer door lock is anti-cutting, anti-saw, and very durable.
  • 【Chrome-plated Steel Padlock】heavy-duty chrome-plated steel trailer door lock, 6-pin barrel lock, 2-piece cage buckle, fully enclosed bolts to increase security, CNC machine tool manufacturing to ensure high precision.
  • 【Strong Endurance】A3 steel lock beam heat-treated HRC42, fully enclosed shackle, solid brass cylinder. The van locks is surrounded by a circle of high-strength steel, and the trailer door lock safety hasp padlock can withstand bolt cutters, drills, saws and sledgehammers .
  • 【Wide Application Range】The door lock set has a wide range of applications, including high security performance for trucks, trucks, gates, vending machines, industrial, storefronts, large warehouse doors, trailers, trucks, garden sheds and outdoor anti-theft doors .
  • 【The Package Includes】2X garage shed door security padlock, 4X key. Two keys can open a lock, but the lock and the lock cannot open each other. Hidden door lock for indoor and outdoor use can be used with almost all brands of truck locks and buckles with 73 mm round locks.
Bestseller No. 9
Equipment Lock HDCDL Combination Version - Steel Heavy Duty Cargo Door Lock - Truck Accessories & Storage - Maximum Security Door Padlock - For Semi Trailer Trucks & Containers - Red
  • DURABLE, TOUGH DOOR LOCK LATCH: Secures both doors of all semi-trailers by locking the two innermost vertical locking bars together: Easy use, no mounting required
  • HEAVY DUTY LOCK SYSTEM: Ensure maximum security: Recommended for construction site storage and over-the-road trucks
  • COMBINATION SECURITY LOCK: Built in high security barrel lock system with combination lock: Set 4 digit code
  • HIGH QUALITY SEMI TRUCK ACCESSORIES: Powder-coated red for high visibility and to help resist corrosion: Made with a tubular pin tumbler lock for pick resistance
  • PERFECT SIZE: Adjustable to fit doors with vertical locking bars from 9-3/4" to 16" apart: Built with 2" and 2-1/2" square tube steel with 3/16" thick walls, end plates are 3/16" plate steel 6" tall
Bestseller No. 10
Proven Industries Steel Cargo Door Lock, CDL for Semi Truck Trailers and Containers
  • HEAVY-DUTY CARGO DOOR LOCK: It’s important to do everything you can to protect your storage, equipment, and semitrailers from being stolen. Our strong and pick-resistant cargo lock helps keep your rear and side enclosed trailer doors secure.
  • CARGO SECURITY LOCK: This cargo and semitrailer lock is constructed from alloy steel and powder coated for ultimate security. It is pick-resistant and comes with 2 keys. It also helps protect against bolt cutters and other prying tools.
  • EASY & SAFE TRAILER ACCESSORIES: Our trailer cargo lock can be installed with ease and doesn’t require permanent mounting. This integrated entry lock comes with 2 keys that are specially designed to prevent thieves from picking them.
  • ADJUSTABLE TRAILER-DOOR LOCK: Our cargo trailer lock secures both doors and is adjustable to provide safety to the enclosed trailer door and the interior of your vehicle. This heavy-duty trailer lock adjusts from 9 1/8" to 15 7/8".
  • PROVEN INDUSTRIES: We are dedicated to providing our customers with the most effective trailer locks on the market. We carefully research and manufacture our locking systems from conception to fabrication in the USA.

Last update on 2023-03-21 / Affiliate links / Images from Amazon Product Advertising API

How to find the best cargo trailer door lock?

Here, we’ll be going over a number of factors that you can use to ensure that you’re purchasing the best cargo trailer door lock for you.

Regardless of which type of item you’re looking to buy, chances are that there are existing buying guides on the internet, all of which aim to give you good cargo trailer door lock recommendations.

Despite these recommendations, however, it’s always a good idea to do your own research. In addition to this research, asking yourself the following questions is also super helpful:

  • What features does the cargo trailer door lock need to have to be perfect for my needs?
  • What is my budget?
  • Do I need to purchase a certain brand?

Once you’ve answered these questions and have a good idea of what you’re looking for and the buying process becomes much easier. Keep in mind that when looking for the best product, there’s no need to rush. In fact, very rarely are the ideal products found by choosing the first one you see or by basing your decisions on only one factor. Take your time and enjoy the process!

Now, with the answers to the previous questions in mind, we urge you to use our upcoming buying guide for cargo trailer door lock to find what you’re looking for:


In some cases, the brand of cargo trailer door lock is very important. For example, if you’re looking for an item that works in tandem with another, you might very well need both products to be the same brand. If this is the case, it’s vital to pay attention to this factor, as choosing the wrong product can mean the difference between wasting your money and buying a great product that functions as it should.


The features in any given cargo trailer door lock are important because they can dictate which version of an item you need and how much money you need to spend. Consider all the key features that you want your item to have and don’t settle for anything that doesn’t check at least ¾ of your boxes.


Customer reviews about cargo trailer door lock are crucial – especially when you’re buying a product that costs a lot of money or serves a big importance. Luckily, most products can be found online, which means that it’s common for there to be scores of customer reviews from those who have already purchased any given product.

Pay attention to these reviews. Take note of the pros and cons that they mention, and factor these into your big decision. In some cases, you’ll be forced to sacrifice one con in order to gain a particular pro, but being aware of the potential con is going to be beneficial in either case.


Of course, quality is key. You don’t want to purchase a low-quality product. If you do, you run the risk of your item breaking, not working properly, or otherwise proving to be very disappointing, as well as a waste of money.

You can compare cargo trailer door lock quality by researching what your potential purchases are made from, contrasting the individual items against each other to discern which one is made of the best materials.


Warranty isn’t always going to be important, but it definitely can be. This is especially true if the item in question is tech-related or expensive. A good warranty will be valid for an extended time after purchase and cover a variety of problems ranging from item defects to random accidents, water damage, and other miscellaneous events that could ruin your product.


The quest to find the best cargo trailer door lock can be daunting – but it doesn’t have to be. It can be made much easier by asking yourself a few simple questions and then thinking critically about the items you want to buy. Consider their features, quality, brand, warranty, and customer reviews and you’re more likely to make a great purchase.