Best Cargo Trailer Door Lock in 2022: 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
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. 2
Class A Customs 36" Cargo Trailer Cambar Cam Bar for Folding Ramp Door
  • 36" Zinc Plated Bar Lock (Cam Bar / Cambar) for Cargo Trailers
  • Zinc Plated Lockable Hasp Included
  • Rubber Grip Handle
  • Mounting Hardware and Lock NOT INCLUDED
  • Can be installed on left or right
Bestseller No. 3
YOMILINK Upgraded RV Door Lock, Trailer Door Lock with Paddle Deadbolt, White Camper Door Latch with 4 Keys, Zinc Alloy Metal RV Door Latch Replacement Kit for Camper Horse Trailer Cargo Hauler
  • 【FITS MOST TRAILERS】Replaces most popular locks with an opening of 3.75" x 2.75" x 1.5".
  • 【DURABLE】Selected quality Zinc alloy material is more durable than Aluminum alloy, corrosion-resisting, oxidation treatment, wear resistance, for long-term outdoor use. UV resistant surface keeps the lock from fading.
  • 【PROTECTIVE】Interior and exterior assembly, with built-in deadbolt better protecting your goods from thefts, travel worry free.
  • 【EASY TO USE】Include: instructions, 4 keys, 12 screws with different length to met your different needs, both inside and outside latches, easy to install.
  • 【UPGRADE 】Multiple casting process allows it to stand harsh weather, upgraded assembly process makes it more durable. Upgraded quality for ten years of company.
Bestseller No. 4
Cargo Trailer Door hasp Bar Lock Handle Keeper Padlock Race Enclosed car Hauler by UASAM
  • Trailer hasp lock mechanism for use with standard bar locks trailer door lock Hasp
  • Trailer hasp latch measurements: 1-1/4"WIDE x 5-5/8", holes are 5/16" diameter and 4-3/4" on center
  • Trailer hasp latch theft resist Used on many trailers including: enclosed cargo, race, car, motorcycle, utility, sled, atv, THIS IS THE EXACT HASP USED ON ALL HAULIN AND U.S. CARGO BRAND TRAILERS
  • Simply lift up the hinged side and lower the cam bar lock into place or lift it out of the groove to open the lock and door.
Bestseller No. 5
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. 6
36" Trailer Swing Door Hinged Cam Bar Lock Hasp Latch Handle Utility Cargo
  • (1) 45" Trailer Door Zinc Cam Bar Lock Kit...
  • Includes: 45" Zinc Hinged Bar, Handle and Hasp...
  • Mounting Holes are Approx. 37" Inside Holes center to center and 43 1/2" Outside Holes center to center... Hinge Plates Are Approx. 36" Apart , Hinge Plates Have Two Mounting Bolt Holes... Hinge Plates Are Approx. 4 1/2" by 1 1/2"...
  • Hinge Mounting Bolt Holes Are Approx. 3 1/4" Center to Center... Bolts and Fasteners are NOT INCLUDED...
  • Handle Is Approx. 14" Long... Handle Locking Hasp Receiver Is Approx. 5" by 2"... This Item Only Ships Within The 48 US States...
Bestseller No. 7
Blaylock American Metal 0229.3024 Metal DL-80 Coupler Lock
  • Cargo, live stock & specialty trailers
  • Latch & bolt lock system
  • Overall Dimensions 3" long x 6" wide x 9" tall
  • 1" inch handle relief depth within cutout area
Bestseller No. 8
VOGREX RV Travel Trailer Entry Door Lock with Paddle Deadbolt, Camper Door Latch Handle with Keys RV Door Lock Replacement, Zinc Alloy Security Kit for Camper Horse Trailer Cargo Hauler
  • 【PREMIUM & DURABLE】Our RV door lock provides a strong thick base for stable installation. Waterproof technology enables our camper car door latches to cope with harsh outdoor environments. Let us ensure the safety of your valuables and make your travel hassle-free.
  • 【LONGER SCREWS】Our camper locks use advanced locking technology, allowing you to leave the RV without worrying about valuables. Each lock has a unique key. Enter your trailer and know that all your valuables will be there. Comes with 4 extra 3mm LONGER screws (10 in total), don’t worry about the screws being too short or out of date. No need to pay extra to buy spare key!
  • 【Multi-function Door Lock】Fits most RV doors (hole cutout is 2.67 "x 3.6", door thickness from 1.25 "to 1.5"). It can be used in a wide range of travel trailers, camper vans, trucks, cargo carriers, etc. It is very useful for protecting the contents of the vehicle. Lock is Easy-to-Install & Fits Most.
  • 【Security Protection】Built-in deadbolt and rear lock function, much safer than ordinary lock. Dual internal and external opening, silent design and smooth switch, rather than card lock, can better protect your merchandise and commercial materials from theft.
  • 【BUY WITH CONFIDENCE】We pride ourselves on the quality and performance of our products. Buy with our confidence. Our mission is to provide you with the products you deserve. We will strictly control the quality and provide you with the most cost-effective products
Bestseller No. 9
Equipment Lock HDCDL - Steel Heavy Duty Cargo Door Lock - Truck Accessories & Storage - Maximum Security Cargo Door lock - 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.
  • 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.
Bestseller No. 10
SnatchLatch — Door Lock for Heavy Duty Trailer — Anti Theft Device — for use with CAM BAR Style Latch ONLY — Utility Trailers, Over The Road Trailers
  • PROTECT YOUR TRAILER BELONGINGS | The SnatchLatch trailer door lock protects your valuable trailer contents; keeps goods in and thieves out
  • EXCLUSIVELY FOR CAM BAR STYLE LOCKS | Designed specifically for Cam Bar style locks; ideal for utility trailers, toy haulers, over the road trailers. DOES NOT FIT THE FOLLOWING TRAILER BRAND DOOR LATCHES: PACE, INTERSTATE, LOOK.
  • HEAVY DUTY POWDER COATED STEEL | Strong, durable high-quality steel trailer lock provides top notch security for trailer contents; powder coated to help resist corrosion.
  • QUICK AND EASY INSTALLATION | Measuring 6 x 4 x 9 inches, the SnatchLatch can be installed quickly and easily; there’s no need for installation equipment or tools; installs in 3 simple steps
  • ANTI THEFT DEVICE OFFERS PEACE OF MIND | With the SnatchLatch in place, you can be confident your personal items and items you are responsible for storing or transporting, are safe; portable door lock is an essential travel accessory

Last update on 2022-08-12 / 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.