Here are the 5 Best trailer hitch locks on the market:

Master Lock 389DAT Universal Trailer Hitch Lock:

This lock is a great all-around option that is compatible with most trailers. It is made of durable steel and has a weather-resistant coating.

The Master Lock 389DAT Universal Trailer Hitch Lock is a durable and secure way to protect your trailer hitch from theft. It is made of heavy-duty steel and features a 5/8-inch diameter shackle that is resistant to cutting and prying. The lock also has a weather-resistant coating that will protect it from the elements.

The 389DAT is a universal lock, which means it can be used with most trailer hitches. It comes with two keys, so you can keep one in your vehicle and one in a safe place.

Here are some of the features of the Master Lock 389DAT Universal Trailer Hitch Lock:

• Heavy-duty steel construction
• 5/8-inch diameter shackle
• Weather-resistant coating
• Universal fit for most trailer hitches
• Two keys included

Here are some of the benefits of using the Master Lock 389DAT Universal Trailer Hitch Lock:

• It will help to deter theft of your trailer hitch.
• It is made of durable materials that will resist damage.
• It is easy to use and install.
• It comes with two keys for convenience.

If you are looking for a secure way to protect your trailer hitch from theft, the Master Lock 389DAT Universal Trailer Hitch Lock is a great option. It is durable, secure, and easy to use.

Reese Towpower Coupler Lock:

This lock is specifically designed for Reese couplers. It is made of heavy-duty steel and has a secure locking mechanism.

The Reese Towpower Coupler Lock is a high-security lock designed to protect your trailer coupler from theft. It is made of heavy-duty steel and features a 1-inch diameter shackle that is resistant to cutting and prying. The lock also has a weather-resistant coating that will protect it from the elements.

The Reese Towpower Coupler Lock is compatible with most 2-inch and 2-5/16-inch trailer couplers. It comes with two keys, so you can keep one in your vehicle and one in a safe place.

Pros:

• Heavy-duty steel construction
• 1-inch diameter shackle
• Weather-resistant coating
• Compatible with most 2-inch and 2-5/16-inch trailer couplers
• Two keys included
• Easy to use and install
• Affordable

Cons:

• Some users have reported that the lock can be difficult to insert into the coupler
• The shackle is not as long as some other coupler locks, which can make it difficult to use in some applications

Overall, the Reese Towpower Coupler Lock is a good option for those looking for a secure and affordable way to protect their trailer coupler from theft. It is made of durable materials and features a weather-resistant coating. It is also compatible with most trailer couplers. However, some users have reported that the lock can be difficult to insert into the coupler and the shackle is not as long as some other coupler locks.

CURT 5/8-Inch Pin Trailer Hitch Lock:

This lock is a simple and affordable option that is easy to use. It is made of steel and has a durable locking mechanism.

Pros:

• Heavy-duty steel construction
• 5/8-inch diameter shackle
• Weather-resistant coating
• Simple design
• Easy to use and install
• Affordable

Cons:

• Not as secure as some other trailer hitch locks
• The shackle is not as long as some other trailer hitch locks, which can make it difficult to use in some applications

Overall, the CURT 5/8-Inch Pin Trailer Hitch Lock is a good option for those looking for a simple and affordable way to protect their trailer hitch from theft. It is made of durable materials and features a weather-resistant coating. It is also easy to use and install. However, it is not as secure as some other trailer hitch locks and the shackle is not as long as some other trailer hitch locks.

Proven Industries 2516-GP Trailer Hitch Lock:

Probably the best on the list, this lock is a high-security option that is made of hardened steel. It has a unique locking mechanism that makes it difficult to pick or pry.

Pros:

• Heavy-duty steel construction
• 1-inch diameter shackle
• Weather-resistant coating
• Universal fit for most trailer hitches
• Two keys included
• High security rating
• Lifetime warranty

Cons:

• Some users have reported that the lock can be difficult to insert into the trailer hitch
• The shackle is not as long as some other trailer hitch locks, which can make it difficult to use in some applications

Overall, the Proven Industries 2516-GP Trailer Hitch Lock is a good option for those looking for a secure and durable way to protect their trailer hitch from theft. It is made of heavy-duty materials and features a weather-resistant coating. It is also universal, so it can be used with most trailer hitches. However, some users have reported that the lock can be difficult to insert into the trailer hitch and the shackle is not as long as some other trailer hitch locks.

Altor SAF Trailer Hitch Lock:

This lock is a weatherproof option that is made of stainless steel. It has a secure locking mechanism and a built-in alarm.

The Altor SAF Trailer Hitch Lock is a high-security lock designed to protect your trailer hitch from theft. It is made of heavy-duty steel and features a 1.25-inch diameter shackle that is resistant to cutting and prying. The lock also has a weather-resistant coating that will protect it from the elements.

The SAF is a universal lock, which means it can be used with most trailer hitches. It comes with two keys, so you can keep one in your vehicle and one in a safe place.

Here are some of the features of the Altor SAF Trailer Hitch Lock:

• Heavy-duty steel construction
• 1.25-inch diameter shackle
• Weather-resistant coating
• Universal fit for most trailer hitches
• Two keys included
• High security rating
• Lifetime warranty

Here are some of the benefits of using the Altor SAF Trailer Hitch Lock:

• It will help to deter theft of your trailer hitch.
• It is made of durable materials that will resist damage.
• It is easy to use and install.
• It comes with two keys for convenience.
• It has a high security rating, making it more difficult to break into.
• It comes with a lifetime warranty.

When choosing a trailer hitch lock, it is important to consider the following factors:

• Compatibility:Make sure the lock is compatible with your trailer.
• Security:Choose a lock that is made of durable materials and has a secure locking mechanism.
• Price:Trailer hitch locks range in price from a few dollars to over $100. Choose a lock that fits your budget.

It is also important to remember that no lock is completely theft-proof. However, a good trailer hitch lock can deter thieves and make it more difficult for them to steal your trailer.