10 Best Keyed Alike Hitch Locks 2026 in the United States

The METOWARE Trailer Hitch Lock is designed for those who need a secure and reliable way to protect their trailer and hitch. Constructed from high-strength steel, this lock offers substantial theft deterrence, which is essential for peace of mind. Its compatibility with 2-inch receiver tubes and suitability for Class III & IV hitches makes it versatile, although it's not suitable for double-walled receiver tubes.

The product's weather resistance is commendable, featuring an all-weather cover cap that keeps the keyhole free from water and dust, enhancing its durability. Users will appreciate the stronger copper keys with non-slip protection, which pair well with the upgraded zinc alloy lock core for added security. Additionally, the inclusion of rubber O-rings helps to prevent annoying rattling noises during towing, contributing to a smoother experience.

On the downside, the product might be slightly bulky, given its weight of 2.56 pounds and dimensions of 5.25 x 1 x 1 inches, which could be a consideration for some users. Despite this, the METOWARE Trailer Hitch Lock is an excellent choice for those looking for a robust, weather-resistant, and easy-to-use trailer hitch lock to secure their towing equipment effectively.

The Master Lock 389DAT is a versatile hitch lock that fits a wide range of trailer couplers, including 1-7/8", 2", and 2-5/16" sizes. Its universal design makes it a practical option for those with different trailers. Constructed to resist rust and corrosion, the lock is designed to withstand various weather conditions, which adds to its durability and makes it suitable for outdoor use.

The bright red color is a visual deterrent to potential thieves, enhancing its security features by warning them off. Installation and removal of this lock are straightforward, making it user-friendly even for those who are not mechanically inclined. However, the pack contains four locks with different keys, which might not be as convenient as keyed-alike versions, especially if you prefer having a single key for multiple locks.

Although the 379KA model offers similar features with the added benefit of being keyed alike, the only difference with the 389DAT is the color. It weighs just under 6 pounds and has dimensions that suggest a solid build. If you need a robust, easy-to-use hitch lock that offers good weather resistance and visible deterrence, the Master Lock 389DAT is a commendable choice, but keep in mind the key variation if you’re managing multiple locks.

The Master Lock 379KA-3 is a set of three keyed-alike universal trailer coupler locks, making it convenient for users who need multiple locks that can be operated with a single key. Each lock comes with two keys, totaling six keys for the set, which can be helpful to share among multiple users or as spares. The locks are made of reinforced zinc die-cast material, known for its high strength and resistance to impact, rust, and corrosion, ensuring durability and longevity even in harsh weather conditions. This makes it a reliable choice for securing trailers in various environments.

The advanced locking mechanism protects against picking and prying, adding a layer of security against theft. The rekeyable cylinder offers the convenience of keyed-alike sets, which is useful for users who want all their locks to be operated by the same key. However, it's worth noting that if you purchase multiple 3-packs, they may not be keyed alike unless specifically ordered as a 6-pack, which could be a minor inconvenience for some users. The locks are compatible with a range of coupler sizes, including 1-7/8 inches, 2 inches, and most 2-5/16 inches, fitting brands such as Reese, Fulton, and more. This wide compatibility ensures that the locks can be used with various trailer types.

Installation and removal are straightforward, and the design is aimed at preventing theft through blunt force, as the lock rests on top of the coupler and can rotate to resist hammer strikes. While the locks offer robust security and ease of use, the weight of each lock (2.4 lbs.) may be considered somewhat heavy by some users. Nevertheless, the durability and security features make it a solid choice for those looking to protect their trailers from theft.