Trailer hitch lock options are essential for securing your trailer and providing peace of mind while on the road. In 2025, the market offers a variety of top-rated trailer hitch locks that combine durability, ease of use, and advanced security features. From heavy-duty models designed to withstand tampering to user-friendly options that ensure quick installation, these locks cater to diverse needs and preferences. Whether you're a frequent traveler or an occasional user, investing in a reliable trailer hitch lock is crucial for protecting your valuable assets.
Master Lock 379ATPY Universal Trailer Hitch Lock , Black
- Trailer hitch lock fits 1-7/8 in. (48mm), 2 in. (51mm) and most 2-5/16 in. (59mm) trailer couplers
- Trailer lock is best used for vehicles, trailers, and RVs
- Trailer coupler lock features advanced locking mechanism to resist picking and prying
- Trailer hitch lock is constructed from zinc to resist rust and corrosion
- Includes one trailer coupler lock, two keys
$31.98
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
- AMERICAN OWNED, FAMILY OPERATED - Join the Rhino USA Family and Support a Father/Son Business With the Best USA-Based Customer Support.
- ULTIMATE HITCH SECURITY - Anti-Theft Hitch pin Made From Solid Steel for Maximum Security. Protect Your Trailer and Hitch From Theft With a Durable, Tamper-Resistant Design Built for Ultimate Peace of Mind.
- FITS STANDARD HITCH SIZES - Our Towing Hitch Lock Fits all Class III & IV Hitches (2" x 2") With Ease, Providing a Secure and Reliable Connection for Trailers, RVs, and Other Towing Needs.
- PATENTED SLIDE CAP – Designed With a Weatherproof Cover to Block Dirt, Mud, and Debris, Keeping Your Hitch pin Clean and Ensuring Long-Lasting Durability and Performance.
- REAL LIFETIME REPLACEMENT - All Rhino USA Products Come With a Lifetime Replacement. If you Encounter any Issues, We'll Ensure You're 100% Satisfied With a Replacement or Refund.
$26.90
SALE
−$9.39
Master Lock - Universal Size Fits 1-7/8", 2", and 2-5/16" Couplers - Trailer Locks #389DAT
- Coupler Lock,Universal
- Bright red finish discourages thief's from messing with your trailer
- Advanced locking mechanism resists picking and prying
- Resists rust and corrosion; Simple installation and removal
$29.21
Reese Towpower 7088300 Trailer Coupler Lock, Universal Fit, Heavy Duty, Designed to fit 1-7/8-in, 2-in, and 2-5/16-in couplers.
- UNIVERSAL FIT: Compatible with all coupler sizes – 1-7/8", 2", and 2-5/16" trailers
- MAXIMUM SECURITY: Secures trailer when not in use to prevent theft
- ADJUSTABLE RATCHET DESIGN: Features 11 locking positions for a snug, custom fit
- ENHANCED THEFT PROTECTION: Includes two theft-proof square keys
- DURABLE & VISIBLE: Bright silver finish acts as a strong visual theft deterrent
$40.99
Rhino USA Trailer Hitch Lock Kit (for 2" Trailers) Heavy Duty Anti Theft Trailer Coupler Locks for RV, Camper, Trailer, Boat and More - Reinforced Solid Steel Tow Lock for Trailer Tongue
- AMERICAN OWNED, FAMILY OPERATED - Join the Rhino USA Family and Support a Father/Son Business With the Best USA-Based Customer Support.
- PROTECTED FROM THE ELEMENTS - Heavy Duty Powder Coated Finish Shields Against Rust, Corrosion, and Harsh Weather, Ensuring Long-Lasting Protection for Your Trailer Hitch Coupler Lock.
- COMPATIBLE COUPLER SIZES - Fits Select 50×50, 50×60 Couplers, and 2" A-Frame Couplers. Not Compatible With Adjustable, Bulldog, Lock Trailer, 50mm, Ring/Pintle, or 1-7/8" Couplers.
- CONFIDENCE & PEACE OF MIND - Knowing your Boat, Toy Hauler, or Trailer is Securely Protected From Theft With a Durable, Tamper-Resistant Lock Designed for Maximum Security.
- REAL LIFETIME REPLACEMENT - Hitch Trailer Locks Come With a Lifetime Replacement. If you Encounter any Issues, We'll Ensure You're 100% Satisfied With a Replacement or Refund.
$51.90
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)
- FIT FOR 2" 2-1/2" TOW RECEIVERS: CZC AUTO dogbone style trailer hitch receiver lock uses 5/8" pin with 3-1/2" effective length perfect for Class III/IV 2", 2-1/2" hitch receiver tubes.
- PREMIUM MATERIAL: The trailer receiver lock uses black electrophoretic painted carbon steel, solid and hard to bend. 360 degree rotating head, easy to handle. All-weather rubber key slot cap keeps the keyhole away from moisture, dust and rust. Updated tubular key hole, zinc alloy lock core.
- FITMENT TYPE: Use a tow receiver lock to ensure the towing safety. CZC AUTO hitch pin lock is compatible with hitch rack, cargo hitch tray, bike rack, hitch ball and tow rope, perfect for 2" and 2-1/2" receivers on trailer truck RV car boat.
- CLIENT SUPPORT: 30-day money-back for any reason, 12-month warranty for quality-related issues. Please feel free to contact us at first if there is any problem when you receive or use our products. We are always here to support you.
$13.99
RETRUE 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
- Universal Fit: Reture trailer coupler lock is designed adjustable with 11 locking positions and fits 1-7/8”, 2”, and 2-5/16"couplers. 2 Keys are included
- Upgrade Vision: In the premise of ensuring the safety of the couper hitch lock is not cut, we have upgraded the appearance of the lock, while more compact and flat. The use of a bright, deterrent yellow color provide durable, highly visible protection for trailers
- Securtiy: This trailer hitch lock is made with aluminum body and high-strength A36 steel construction, strong cut, and shear resistance. It's rustproof and weatherproof.
- Passed QC product quality certification Enhanced Lock Cylinder: To make the tow ball coupler lock more robust, we upgrade more complex locks and thicker keys. This makes it impossible to crack the lock and increases the toughness of the key
- 100% return for quality issues: 120 days warranty. If you encounter any problems, please feel free to contact us through the "Ask a Question" button. We are always happy to help and are committed to providing a responsive solution 24/7.
$13.99
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)
- CZC AUTO Trailer Hitch Coupler Locking Pin Design：1/4 Inch diameter tongue lock pin with effective length 3/4 Inch. Small size for easy carrying. Keeping the coupler lock in your pocket or vehicle anywhere that is fine. Please verify dimension and length of the pin you want before purchasing our coupler hitch lock pin.
- How To Operate Our Trailer Tongue Coupler Lock: Spinning the flat key 5-7 times to open or close the hitch lock.
- Security Of Our Coupler Locking Pin: This trailer lock is made of high-strength steel to deter theft. The hitch lock is coated with black electrophoretic paint to prevent corrosion.
- Coupler Locking Hitch Pin's Application: Tow Trailer Boat RV Truck Car
- CZC AUTO, a reliable brand in Hitch Sercurity Industry, we offer 30-day money-back for any reason, 12-month warranty for quality-related issues.
$7.99
Trailer Hitch Locks with Keys, Universal Size Fit 1-7/8,2-5/16,2 Inch Ball Hitch Coupler Lock, Adjustable Heavy Duty Steel Trailer Tongue Lock for Boat, Trailers and RV, Anti-Theft Hitches, Red-1 Pack
- Ultra Safe Lock Core Design:Our trailer hitch coupler lock can control the coupling with keys to prevent others from pulling out the receiver/coupling and the hitch ball tongue lock can protect your trailer from being pulled apart by other vehicles.
- Bold Color More Effecitve Anti Theft:The appearance of the trailer tongue lock is designed in red make most people notice anti theft. Compared to other products,the trailer hitch coupler locks requires one turn of the key to open is safer than only half a turn.
- Excellent Material:The boat trailer hitch lock is made of heavy-duty steel and superior quality aluminum,High quality materials make it difficult for thieves to break.The trailer couple lock can effectively prevent rust and corrosion, greatly extending its service life and effectively prevent prying.
- Easy Installation:The trailer tongue locks are easy to install and can be quickly attached to the trailer hitch. Anti theft for trailer tongue lock can be used with various types of trailers,including boat trailers/RV/Camper/Truck and more
- Adjustable Design Suitable for Multiple Sizes:Trailer couple locks for hitches adopts an adjustable design, and you can adjust it to the size you need according to the rotation of the key.Universal trailer hitch couple locks fits for 1-7/8 inch,2-5/16 inch,2 inch ball hitch lock couplers.
$23.99
META Hardware 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)
- 【UNIVERSAL COMPATIBILITY】- 5/8" diameter and 2-3/4” long trailer hitch locks fits most class III IV 2” hitch receivers. The hitch lock also can be used for tray tow rope of trailer, truck, car, bike and boat.
- 【PUSH-TO-LOCK DESIGN】- Solid hitch lock is designed for easy operation. With the push-to-lock design, you can easily push to lock it without using key. Just turn the key a little bit and the locking hitch pin will pop out by itself.
- 【DURABLE ANTI-THEFT HITCH LOCK】- The hitch lock feature solid steel with black electrophoretic paint, which is quite sturdy and can carry up to 30,000 lbs, twice as much as that of common pin locks. The core of the hitch pin lock is made of premium zinc alloy tubular, durable and reliable. Solid locking hitch pin with anti-theft design can resist different types of external forces.
- 【PACKAGE INCLUDES】- It’s a newly upgraded hitch lock with all metal construction. This trailer hitch lock comes with 2 x keys, 4 x Rubber O-Rings, 1 x 5/8" lock pin and 1 x Upgrade button lock head.
- 【PREVENT RATTLING NOISE】 - When you are using a trailer hitch, you might run into some issues like rattling and noise. Our hitch lock is equipped with 4 rubber O-rings, which can effectively prevent rattling noise caused by shaking during towing.
$9.99
Last update on 2025-05-03 / Affiliate links / Images from Amazon Product Advertising API