4 Best Master Lock Hitch Locks 2025 in the United States

The Master Lock 379ATPY Universal Trailer Hitch Lock is constructed from zinc, making it a sturdy and rust-resistant option for securing your trailer, RV, or vehicle. It's compatible with a range of coupler sizes (1-7/8 in., 2 in., and most 2-5/16 in.), which adds to its versatility.

The locking mechanism is designed to resist picking and prying, adding an extra layer of security. Additionally, the lock comes with two keys, which is convenient for users. However, some users may find the key lock mechanism less convenient than a combination lock.

The dimensions (5.1 x 3.5 x 4.6 inches) make it a portable option, which is beneficial for users needing a lock they can easily take with them. Its weather resistance is enhanced by the zinc construction, but long-term exposure to harsh weather conditions should still be monitored. This product is particularly suited for those needing a durable, versatile, and secure hitch lock for various types of trailers and vehicles.

The Master Lock Receiver Lock, 2866DAT, is designed to provide robust security for trailers and RVs. Crafted from stainless steel and chrome, the material ensures durability and resistance against wear and tear. The lock features a 360-degree swivel head that allows easy access for the key, making it user-friendly. The push-to-lock mechanism ensures a secure fit, adding to its reliability.

Compatibility is a standout feature, as it includes two pins that fit a wide range of hitch sizes from Class I to Class IV. This makes it versatile for different towing needs. The weather resistance is enhanced by a snap-on cover that protects the keyway from dirt and moisture, ensuring longevity and continual functionality even in harsh conditions. Security is bolstered by a four-pin cylinder designed to prevent lock picking, giving users peace of mind.

However, users should note that while it fits many receiver tubes, it's essential to check compatibility with storage racks or other specific applications. Although weighing 1.1 pounds, its sturdy build ensures it can handle significant towing capacities. This lock offers a blend of security, compatibility, and ease of use, making it an excellent choice for anyone needing reliable hitch lock protection.

The Master Lock 1469DAT is a durable and reliable hitch lock designed for securing vehicles, trailers, and RVs. Made of stainless steel, it offers high durability and corrosion resistance, ensuring long-term use even in harsh weather conditions. One of its standout features is the Push to Lock mechanism, which makes securing your hitch straightforward and convenient: simply push the lock body onto the pin and remove the key.

This lock is designed to fit 5/8-inch receiver openings and has an extended length shaft, making it compatible with a variety of heavy-duty trucks and tow packages, including models from Toyota, Ford, GMC, Chevy, and Dodge. The included Weather Tough seal and watertight cap provide extra protection against moisture and dirt, which is essential for maintaining the lock's functionality over time. Rated for Class III/IV with a 10,000-pound load capacity, this hitch lock is suitable for heavy-duty applications. It comes with two keys for added convenience.

Some users might find the lock a bit bulky due to its heavy-duty design. Additionally, while it has a strong security rating, it may not deter highly determined theft attempts due to its mechanical nature. For everyday use and general security, the Master Lock 1469DAT is an excellent choice, offering a good balance of usability, durability, and weather resistance.