12 Best Hitch Locks for Trailers to Secure Your Load

Discover the ultimate guide to the best hitch lock for trailer security, ensuring peace of mind for your valuable cargo while on the road.
BrandMy RatingPrice
Retrue
Top Money-Saving Choice
9.0/10
Reese
Best for Heavy-Duty Security
9.0/10
Master Lock
Best for Easy Visibility
9.4/10
Master Lock
Best for Universal Fit
9.2/10
Niwniw
8.2/10

Best Hitch Lock for Trailer

When it comes to safeguarding your trailer and ensuring peace of mind during your travels, a reliable hitch lock is your best friend on the road. In this guide, we’ll navigate through the top contenders in the market, illuminating the features that set them apart and helping you discover the perfect balance of security and convenience. Join us as we unravel the essentials of trailer protection, where each lock is designed to keep your adventures worry-free and your gear secure.

Top Money-Saving Choice: Retrue Coupler Lock

Universal Coupler Lock Trailer Locks Ball Hitch Trailer Hitch Lock Adjustable Security Heavy-Duty Steel Fits 1-7/8 Inch, 2 Inch, 2-5/16 Inch Couplers, Yellow
Highlights
Universal fit for couplers
Highly visible design
Durable aluminum and steel

We've recently put the RETRUE RTL002 trailer hitch lock through its paces, and let us tell you, it’s our Top Money-Saving Choice for a reason!

This lock suits most couplers with its adjustable design, accommodating sizes from 1-7/8” to 2-5/16”.

We love its vibrant yellow color—it's not just eye-catching but also serves as a strong deterrent against theft.

Made from durable aluminum and high-strength A36 steel, it’s built to weather the elements while keeping your trailer secure.

Although it may feel a tad finicky at times, its robust security features and 120-day warranty make it a sound investment.

Happy towing!

Be sure to also check out the best padlock for trailer for more options! Also, here is the price history so you know exactly when to buy!

Price history for Retrue Coupler Lock on Amazon

Best for Heavy-Duty Security: Reese Coupler Lock

Reese Towpower 7088300 Heavy Duty Coupler Lock , Grey
Highlights
Durable aluminum construction
Universal fit for couplers
Highly visible deterrent color

The REESE Towpower Universal Trailer Coupler Lock is our top pick for Heavy-Duty Security.

This rugged lock, crafted from durable aluminum and heavy-duty steel, not only screams durability but also effectively wards off thieves with its eye-catching silver color.

Its universal fit accommodates various coupler sizes, making it versatile for different trailers.

Installation is a breeze, and its resistance to picking and prying means it's ready to tackle any challenge.

While some users have noted that the key fit can be slightly loose, we believe the extra reassurance of its security features outweighs this minor flaw.

If you're serious about protecting your trailer, this lock is the way to go!

Be sure to also check out the best car trailer winch for more options! Also, here is the price history so you know exactly when to buy!

Price history for Reese Coupler Lock on Amazon

Best for Easy Visibility: Master Lock Coupler Lock

Master Lock - Universal Size Fits 1-7/8", 2", and 2-5/16" Couplers - Trailer Locks #389DAT
Highlights
Deters theft effectively
Easy installation and removal
Durable, rust-resistant materials

When it comes to securing your trailer, we believe the Master Lock 379ATPY Coupler Lock stands out as our top pick for its easy visibility.

Its vibrant bright red finish not only catches the eye but also sends a clear message to would-be thieves: “Not today!” Thanks to its advanced locking mechanism, you can count on it resisting picking and prying attempts.

Plus, installation is a breeze!

We appreciate its durability—crafted to withstand rust and corrosion, it’s built to last.

Just remember, while it's great for deterring theft, it might not fit all types of couplers.

Overall, it’s a fantastic choice for peace of mind on the road!

Be sure to also check out the best pontoon trailer guides for more options! Also, here is the price history so you know exactly when to buy!

Price history for Master Lock Coupler Lock on Amazon

Best for Universal Fit: Master Lock

Master Lock 379ATPY Universal Trailer Hitch Lock , Black
Highlights
Fits multiple coupler sizes
Advanced locking mechanism
Rust and corrosion resistant

When it comes to finding the best hitch lock for your trailer, we believe the Master Lock Universal Towing Coupler Lock deserves a spot on your radar.

This clever little device boasts compatibility with 1-7/8 in., 2 in., and most 2-5/16 in. trailer couplers, making it a universal fit for various vehicles and RVs.

Its advanced locking mechanism is built to resist prying and picking, so you can have peace of mind while your trailer is stored away.

Crafted from zinc, it's designed to resist rust and corrosion—perfect for those unpredictable weather conditions.

Just keep in mind, while it's a great option, it may not fit every single model out there.

Happy towing!

Be sure to also check out the best wireless trailer lights for more options! Also, here is the price history so you know exactly when to buy!

Price history for Master Lock on Amazon

NiwNiw Trailer Lock

2" Heavy Duty Trailer Hitch Lock - Ball Coupler & Safety Chains Anti-Theft, RV/Camper/Boat/Pickup Truck Trailer Tongue Lock Secure Design
Highlights
High-level theft protection
Quick locking mechanism
Weather-resistant design

Dive into security with the NiwNiw Hitch Lock, crafted to stand tough against any would-be thief.

With its high-grade carbon steel body and resilient powder-coated armor, this lock can withstand the gnarliest of assaults—from sledgehammers to freeze attacks.

We love how it fits snugly on 2-inch heavy-duty couplers, ensuring a tamper-proof seal.

The patented push-button design allows for lightning-fast locking, and those theft-proof keys?

Pure genius—no worries about pesky lock-picking here!

Plus, its weather-resistant capabilities keep it functional in any climate.

While we did hear some whispers about key durability and fit issues, overall, this lock means business in protecting your precious trailer!

Be sure to also check out the best utility trailer accessories for more options! Also, here is the price history so you know exactly when to buy!

Price history for NiwNiw Trailer Lock on Amazon

Rhino USA Hitch Pin

Rhino USA Trailer Hitch Pin (2 Inch) Patented 5/8" Locking Receiver Hitch Pins for Class III IV Hitches - Weatherproof Anti-Theft Lockable Pin with Debris Protection - Used to Tow Truck, etc - Black
Highlights
High-quality construction
Weatherproof design
Lifetime replacement warranty

When it comes to securing your trailer, we found the Rhino USA Hitch Lock to be a game changer.

This family-operated, American-owned brand has crafted a solid steel design that offers ultimate peace of mind.

It fits all standard Class III & IV hitches with ease, ensuring a reliable connection for your towing needs.

One of our favorite features is the patented slide cap, which keeps dirt and debris at bay, enhancing durability.

We also love the lifetime replacement guarantee, showing Rhino USA truly stands behind their product.

Just a heads up: key insertion can be a bit tricky, but the security it offers is undeniably worth it!

Be sure to also check out the best grease for trailer hitch ball for more options! Also, here is the price history so you know exactly when to buy!

Price history for Rhino USA Hitch Pin on Amazon

CZC AUTO Hitch Lock for Trailer

CZC AUTO Black Trailer Hitch Coupler Lock, Dia 1/4 Inch, 3/4 Inch Span for Tow Boat RV Truck Car's Coupler (1 Pack, Black)
Highlights
Durable high-strength steel
Easy to use
Compact for portability

When it comes to the best hitch lock for trailers, the CZC AUTO Trailer Hitch Coupler Lock truly stands out.

Made from high-strength steel, it’s designed to deter thieves with its robust construction.

The 1/4 inch diameter pin is compact and easy to carry, making it our go-to for portable security.

We appreciate the straightforward operation—just spin the flat key 5-7 times to lock and unlock.

However, take note of the limited pin length, as it may not fit every hitch perfectly.

With over 8,000 ratings and a solid 4.5-star review, this lock offers a reliable solution for all your towing needs.

Be sure to also check out the best boat trailer locks for more options! Also, here is the price history so you know exactly when to buy!

Price history for CZC AUTO on Amazon

Trimax UMAX 100

Trimax - UMAX 100 - Trailer Lock for Hitch, Dual Purpose Transforms to U Lock - Trailer Hitch Lock for 1-7/8" - 2-5/16" Couplers, All Coupler Types
Highlights
Ultimate security features
Heavy-duty protection
Weatherproof locking

At Trimax, we’ve found the ultimate hitch lock for those who value peace of mind.

The UMAX100 boasts a dual ratchet locking system and a reinforced steel design—talk about security!

With 360-degree coverage, it defies attempts at cutting or drilling, offering formidable defense for your trailer.

Rain or shine, the sealed keyhole cover keeps dirt and moisture at bay, ensuring consistent operation even in hostile conditions.

Its one-size-fits-all design is perfect for most standard trailer couplers, making it easy to secure your assets.

Plus, with a limited lifetime warranty, this lock truly combines durability with confidence.

Just be aware it’s best suited for smaller trailers and watch out for possible shipping delays.

Happy towing!

Be sure to also check out the best boat trailer jack for more options! Also, here is the price history so you know exactly when to buy!

Price history for Trimax UMAX 100 on Amazon

Rhino USA

Rhino USA Trailer Hitch Coupler Lock Kit (for 2-5/16" Trailers) Heavy Duty Anti-Theft Tongue Locks for Boat, RV, Travel Trailers & More - Reinforced Solid Steel for Ultimate Peace of Mind!
Highlights
Robust construction
Easy installation
Effective theft deterrent

When it comes to securing your trailer, the Rhino USA Hitch Lock stands out as a solid choice for peace of mind.

Being American owned and family operated, we love supporting this devoted father-son duo.

Its powder-coated protection ensures durability against rust and the elements, making it ideal for any weather.

While it fits most 2-5/16" inch couplers, keep in mind it has limited compatibility.

Installation is a breeze, and with its robust construction, we feel confident that our toys are safe from theft.

Just one key is needed for operation, adding a layer of convenience.

Overall, this product promises to deliver security and reliability on every journey!

Be sure to also check out the best boat trailer guides for more options! Also, here is the price history so you know exactly when to buy!

Price history for Rhino USA on Amazon

META Hitch Lock Hitch Lock for Trailer

Trailer Hitch Locks, Hitch Lock with 5/8'' Pin Fits Class III IV 2" Hitch Receivers, Tow Hitch Lock with Anti-Rattle O-Rings for Trailer Truck Car Boat (1 Pack)
Highlights
Universal compatibility
Push-to-lock design
Durable anti-theft

Looking for the best hitch lock to keep your trailer safe?

We absolutely recommend the META Hardware Hitch Lock! With a 5/8" diameter and 2-3/4” long pin, it fits most Class III and IV 2” hitch receivers, making it super versatile for trucks, boats, bikes, and more.

The push-to-lock design is a game changer—no fumbling with keys!

Crafted from solid steel, it's built to withstand 30,000 lbs, offering exceptional durability and theft protection.

Plus, those handy rubber O-rings help eliminate rattling noises during towing.

While it does require a key to unlock, the reliability and ease of use make this hitch lock a top pick!

Be sure to also check out the best auto ac refrigerant for more options! Also, here is the price history so you know exactly when to buy!

Price history for META Hitch Lock on Amazon

CZC AUTO Hitch Lock

CZC AUTO Hitch Receiver Pin Lock, Trailer Receiver Lock with 5/8" Pin for Class III IV 2" and 2-1/2" Receiver, for Hitch Bike Rack Tray Ball Tow Rope for Trailer Truck Car Boat (1 Pack, 5/8 inch pin)
Highlights
Fits 2" and 2.5" receivers
Durable carbon steel material
Easy installation and removal

When it comes to securing your trailer, the CZC AUTO dogbone style hitch lock is a fantastic choice for 2" and 2-1/2" receivers.

Constructed from durable carbon steel, this lock promises to keep your gear safe with a robust design that's built to last.

The 360-degree rotating head makes it a breeze to handle, even in difficult situations.

While we found a bit of play in the lock and the mechanism can get a little tricky, its weather-resistant features and client support, including a 30-day money-back guarantee, make it a solid investment for towing safety.

Overall, it's easy to install and perfect for various applications—from trailers to bike racks!

Be sure to also check out the best dash cam for 4runner for more options! Also, here is the price history so you know exactly when to buy!

Price history for CZC AUTO Hitch Lock on Amazon

METOWARE Coupler Lock

METOWARE Trailer Tongue Coupler Lock 1/4" Dia, 3-1/2" Span, Trailer Hitch Lock for Latch-Type Coupler, Black Trailer Pin Lock for Towing Trailer RV Car Boat Truck (1 Pack)
Highlights
Easy installation
Waterproof design
Strong and durable

The METOWARE trailer coupler lock truly stands out in the world of hitch locks, blending security and convenience into one neat package.

With its heavy-duty steel construction and reinforced zinc alloy core, we feel confident that our hitch is protected from unwanted tampering.

The innovative push-to-lock design simplifies the locking process—no fumbling with keys!

Plus, the waterproof rubber cap ensures that even on challenging journeys, rust won’t be an issue.

While it's not without a few quirks, such as a slightly loose fit, its overall durability and ease of use make it a top pick for those seeking peace of mind on the road.

Be sure to also check out the best tow rope for trucks for more options! Also, here is the price history so you know exactly when to buy!

Price history for METOWARE Coupler Lock on Amazon

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