Enclosed Trailer Door Lock: 3 Top Picks Compared

Your enclosed trailer holds valuable equipment, so a dependable door lock is non-negotiable. Whether you haul horses, cargo, or recreational gear, the right lock keeps your belongings safe and gives you peace of mind.

This guide compares three top-rated enclosed trailer door locks, covering entry door latches and cam bar assemblies. You’ll find the best fit for your trailer’s door type and security needs.

Siasky Black RV Door Lock – Secure Entry Latch

The Siasky Black RV Door Lock is a solid choice if you need to replace your trailer’s entry door latch. It’s made from carefully selected zinc alloy, which offers excellent corrosion resistance for outdoor use. The lock comes with a paddle deadbolt and four keys that are keyed alike, so you only need one key for all locks. This design supports key double extraction, meaning you can lock or unlock from both sides, adding a layer of security for your property.

Installation is straightforward thanks to its lightweight and portable design. It fits a standard 3.63″ x 2.71″ lock hole, making it compatible with many RV, horse trailer, cargo hauler, and travel trailer doors. The paddle handle is easy to grip, and the deadbolt mechanism feels sturdy. If you’re looking for a reliable replacement that doesn’t require complex modifications, this lock is a practical option.

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• Meticulously Selected Materials: RV door lock replacement is made of zinc alloy materials that have been carefully selected through layers of strict selection, which are corrosion-resistant, high hardness, scratch-resistant and oxidation-resistant
• Safe and Reliable: RV entry door lock come with 1 Lock+4 Key Aliked and Support for key double extraction, which can well protect your property and personal safety. You can rest assured to stay away from your RV while engaging in outdoor activities
• Widely Used: Designed to fit a 3.63" x 2.71" lock hole, enclosed trailer door latch is suitable for various RV entrance doors, including Horse Trailers, Cargo Haulers, Travel Trailers, and Campers
• Easy to Install: Lightweight and portable, RV door latch handle is suitable for camping. Their easy and quick installation or replacement can help save on camping expenses
• Anti Theft Lock Upgrade: Camper door lock latch with paddle deadbolt, can be internally rotated to unlock, avoiding the situation of locking people inside the car

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JY PERFORMANCE 36'' Cam Bar Lock – Side Door Security

The JY PERFORMANCE 36” Trailer Swing Door Hinged Cam Bar Lock is built for securing side doors on enclosed trailers. Its total length of 36 inches makes it suitable for standard side door widths. The lock assembly is made from galvanized steel, which provides excellent corrosion resistance and durability, so it can withstand harsh weather and frequent use. The rubber handle helps you rotate the bar to open or close the door with minimal effort.

This cam bar lock is universal, meaning you can install it on either the left or right side of your trailer. It’s designed specifically for swing doors, not entry doors, so it’s ideal for cargo access points. The hinged design allows the bar to swing away when unlocked, giving you full door clearance. If you need a straightforward, heavy-duty lock for your trailer’s side doors, this model delivers reliable performance.

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• Size: The total length of the lock assembly is 36 inch.
• Material: Trailer door cam bar lock made of galvanized steel with excellent corrosion resistance, durability and service life.
• Rubber handle: Help you rotate the handle to open the door easily.
• Universal: Fits for secure side doors on enclosed trailers, can be installed on the left or right side.
• NOT INCLUDED: Mounting hardware and lock.

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Hicarer Cam Bar Lock – Versatile Ramp Door Latch

The Hicarer Cam Bar Lock Enclosed Trailer Door Latch is crafted from stainless steel, offering strong resilience against breakage and corrosion. This makes it a long-lasting option for trailers exposed to the elements. The lock features a single hinge point, which is specifically designed for folding ramp doors, such as those on RV haulers or cargo trailers. The rubber handle is easy to grip and manipulate, providing comfortable operation even with gloves.

Beyond ramp doors, this latch is versatile enough to be used on side doors as well. Its 36-inch length is optimal for most standard trailer doors, and the zinc-plated finish adds extra protection. The single hinge design allows the bar to fold down neatly when the ramp is lowered. If you need a lock that can handle the unique demands of a folding ramp door while still being useful elsewhere, this is a smart choice.

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• Robust Material for Long Lasting Durability: our trailer door latch is crafted from stainless steel, With its rigid metal construction, it offers strong resilience against breakage, exhibiting unmatched durability that outlasts alternatives in the market; You can count on our cam bar lock for its long term use, providing enduring security for your trailers and cargo doors
• User Friendly Design for Ease and Comfort: this cam bar lock features a rubber handle that's easy to grip and manipulate, providing users with easy operation; You can use your trailer easily and freely with this cam lock kit, which is an effective solution for all your trailer locking needs
• Versatility at Its Finest: the enclosed trailer door latch is not limited to trailer doors alone; This remarkable trailer door lock can also be applied extensively on folding ramp doors, folding doors of mobile homes or cargo trailer doors; Enjoy the flexibility this cargo trailer door latch offers in securing several types of doors in different unit configurations
• Ideal Size for Optimal Use: the trailer door latch size is optimal, measured at 36 inches/ 91.44 cm; It ensures the proper balance between secure clamping and ease of use; Its size ensures wide compatibility that fits most doors, providing the most effective locking solution for your trailer needs
• Package Inclusion: enjoy a seamless installation of our enclosed trailer locks with each purchase that includes a 36 inch galvanized rod lock complete with a latch; Please note the installation hardware is excluded in the package

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Buyer’s Guide: What to Consider

Choosing the right enclosed trailer door lock depends on your door type and security needs. Here are key factors to consider.

• Size and Fit: Choose a lock that fits your door's cutout dimensions. Measure the existing hole or latch area to ensure compatibility.
• Material Durability: Look for corrosion-resistant materials like zinc alloy, galvanized steel, or stainless steel for long-lasting performance outdoors.
• Lock Type: Consider whether you need a keyed deadbolt for security or a cam bar lock for quick access on swing or ramp doors.
• Ease of Use: For side doors, a cam bar lock assembly with a rubber handle offers easy operation. For entry doors, a paddle latch with deadbolt is ideal.
• Versatility: Ensure the lock can be installed on left or right side doors, or on folding ramp doors, depending on your trailer's configuration.

Conclusion

Securing your enclosed trailer is essential for protecting your gear. Whether you need a robust entry door lock or a heavy-duty cam bar for side or ramp doors, each option here serves a specific purpose.

For a reliable entry door upgrade, the Siasky Black RV Door Lock offers solid security. If you need a universal side door solution, the JY PERFORMANCE 36” Cam Bar Lock is a durable choice. For folding ramp doors, the Hicarer Cam Bar Lock provides excellent versatility.