Best Master Lock Rv Hitch Locks in 2026

Coupler Lock,Universal

DIMENSIONS: 9” x 9” x 3”.Material:Steel

BUILT TO LAST: The REESE Towpower Universal Coupler lock is a premium lock constructed with an aluminum body and heavy-duty steel lock bar. Distance between lock shackle holes center to center is 4-1/2 inch

UNIVERSAL FIT: Ratchet design is adjustable with 11 locking positions and fits 1-⅞”, 2”, and 2-5/16” couplers.

More Convenient with Handle, Compared with other kingpin lock, BOYISEN trailer kingpin Lock add handle and turn cylinder outward instead of downward, it will be more convenient while lock or unlock for 5th wheel under trailer

Keyed Unique, Unlike other trailer lock using flat lock, BOYISEN anti theft trailer lock using blossom lock, come with two keys for your lock only. No worry about another BOYISEN kingpin lock will have the same key.

Heavy Duty construction: This Trailer Lock is made of solid steel instead of casting steel, strong enough for weather resistant, hard to break. The heavy duty steel will add more difficulties for steal drills, and lasts for years.

HEAVY-DUTY TRAILER LOCK: It’s important to do everything you can to protect your belongings and your trailer or camper from being stolen. Our strong coupler lock fits select 2 5/16-inch trailer couplers to help keep your trailer secure.

TOUGH LOCK: The locking parts on this device are constructed from hardened steel for increased security, and the exterior cover is tough enough to stop burglars from using power tools, hammers, and crowbars on your lock.

UNIQUE KEY DESIGN: Our trailer lock has a special key design that prevents anyone from picking the lock. This innovative key system also features an interior locking mechanism that stops would-be thieves from making a copy of your key.

Molded to fit the specific shape of your trailer or Caravan (RV) 2 5/16 inches coupler when unhitched

Materials used by AMPLOCK provide good rust resistance for use in all climates

Easy to use with AMPLOCK’s push and lock system

【SOLID STEEL】Kohree 5/8" trailer hitch lock weight is 1.5 pounds. Unlike other stainless steel hitch lock that is forged welded or screwed in with Q235, our product is made from durable hardened steel with black e-coated and frameless construction, not easily broken or rusty.

【FLEXIBLE KEY SLOT CAP】The flexible keycap of the towing hitch lock, is made of advanced rubber, perfectly embedded in the lock core. It will cover the keyhole tightly to keep away from moisture, water, and dust penetration.

【FITS CLASS III, IV, V RECEIVERS】With extra-long 5/8" diameter tow hitch lock and 5 O-Rings, this weatherproof hitch pin perfectly fits 2 inches and 2.5inches receivers and making the hitch still without any rattle and shake. ※Notes: Weight carrying for Kohree hitch lock is rated: Class III - up to 5,000 pounds, Class IV - up to 10,000 pounds, Class V - up to 17,000 pounds.

CZC AUTO Trailer Hitch Locking Pin Design: 5/8 Inch diameter with effective length 3-1/2 Inch bent pin. Fits for Class III IV 2 2-1/2 inch hitch receiver tubes. Please check your hitch setup before ordering

Easy To Operate CZC AUTO Hitch Receiver Lock: Our hitch lock adopts push-to-lock design without key. After hearing "click", you just need to pull the lock head to ensure that it is working. 1/4 turn the key to open the receiver lock, the pin will pop-up automatically and comfortably

Material & Design Features Of Receiver Padlock: Chrome plated high-strength steel can deter theft and corrosion. Cap keeps the keyhole away from moisture, dust and rust. Swivel head is easy to handle

DUAL PINS, FIT FOR MOST TOW RECEIVER: 1/2" pin with 3" effective length, 5/8" pin with 3-1/2" effective length, perfect for all class I/II 1-1/4" and Class III/IV 2", 2-1/2" hitch receiver tubes.

EASY OPERATE DESIGN: CZC AUTO hitch lock adopts push-to-lock design without key. After hearing "click", you just need to pull the lock head to ensure that it is locked. 1/4 turn the key to unlock

PREMIUM MATERIAL: The trailer receiver lock uses chrome plated carbon steel, solid and hard to bend. 360 degree rotating head, easy to handle. Flat key can be copied by most retailers. The cap keeps the keyhole away from moisture, dust and rust.

AMERICAN OWNED, FAMILY OPERATED - Join the Rhino Family & Support a USA based Father/Son Business!

ANTI-THEFT HITCH PIN - Solid Forged Steel Ensures Protection to Your Trailer & Hitch From Theft

COMMON HITCH SIZES - Our Unique Hitch Pin Fits all Class V Hitches (2.5" x 2.5") With Ease.

Protects from accidental disconnection

Plastic coated for easy handling

Made from aircraft-grade cable

Crafted from the highest quality material.Fit Type: Universal Fit

Perfect for outdoor and even indoor use

Made in China

✅FIT: Funmit trailer coupler lock is designed to fit snugly in 1-7/8”, 2”, 2-5/16” couplers and ratchet is adjustable with 11 locking positions. Each ratchet is tightly engaged with the lock body, it will never be pulled open by brute force like other coupler locks!

✅HIGH QUALITY: U-shape trailer lock is made of heavy-duty solid /rigid A36 Steel and aluminum alloy,it's durable, rustproof and weatherproof. Passed QC product quality certification

✅SAFETY: Funmit trailer hitch lock is made of high-quality materials and combines with the last anti-theft technology to ensuresafety,and the U-shape lock can resist picking, prying and drilling

PREVENTS UNAUTHORIZED TRAILER MOVEMENT - The heavy duty king pin lock stops theft of any big rig or RV trailer by preventing the king pin from mating with a 5th wheel. It is physically impossible for the trailer to connect with a 5th wheel while the lock is engaged, and the heavy duty steel lock covers the entire king pin for total security.

HEAVY DUTY CONSTRUCTION - The solid steel cuff and kingpin lock are extremely difficult to defeat and engineered specifically for maximum tamper resistance. The forged locking pin is incredibly strong, and cannot be disengaged without the key to the lock. Each set includes a slide bolt lock and two keys.

STRONG DETERRENT - The last thing a trailer thief wants to see is a heavy duty Vulcan king pin lock. Once the would-be thief sees the lock they will almost always move on to an easier target. Vulcan is known for providing some of the hardest lock systems to defeat in the world, and the king pin lock is no exception.

🔐ADJUSTABLE AND UNIVERSAL: The trailer lock is designed to fit most trailers and caravans with a standard 2" (50 mm) coupler. The ratchet design is adjustable with 11 locking positions.

🔐SECURITY: The tow ball lock is made of heavy-duty steel and has a striking color, which can effectively prevent the trailer from being stolen.The special trailer lock design can also resist drilling, picking and prying,and comes with a set of two keys.

🔐HIGH-QUALITY: The trailer hitch lock is made of aluminum alloy with yellow powder coating. The high-quality materials is sturdy,anti-rusty, corrosion resistant and weather resistant.

🔒【UNIVERSAL FIT】 Ratchet design is adjustable with 11 locking positions and fits 1-7/8”, 2”, and 2-5/16” couplers.

🔐【HIGHLY VISIBLE】Use of a bright, deterrent yellow color offers durable, highly visible protection for trailers.

🛡【DEPENDABLE SECURITY】To protect your trailer from theft, this trailer lock is made with an aluminum body and high-strength steel construction, strong cut and shear resistance.

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.

APPLICATION: With heavy-duty construction and anti-rust surface coating, the hitch pin lock are reliable safety for towing boat, truck, RV and trailer, ensures Trailer & Hitch from theft.

SIZE: The 5/8" diameter locking hitch pin has 3-1/2" effective length perfect for Class III and IV 2" and 2-1/2" hitch receiver tubes. (Please verify the size of the lock pin or email us for more information before placing an order).

EASY TO OPERATE: Can be opened just like opening the door by turning the key, and intimately comes with two keys to prevent the other from being lost.

FITMENT: Fits most common hitch setups - Both class 2 (1/2-inch) and class 3 (5/8-inch) receivers - For 1-1/4" and 2" receiver length

PURPOSE: Best for vehicles, trailers, and RV hitch locks – Also great for securing a camper, boat, bike rack, or utility trailer – Please check compatibility with your hitch setup before ordering

DURABLE DESIGN: Constructed with heavy-duty stainless steel – Rust-resistant metal – Corrosion resistant – Gray rubber weatherproof dust cover – Deadbolt receiver lock features locking mechanism casing with a smooth black finish – Sturdy angled pins

[Heavy-Duty Steel Construction]: Solid steel cuff has a 2.8-inch (7.1 cm) inner diameter and a 3.4-inch (8.6 cm) outer diameter for durability and strength; High gloss finish resists rust and corrosion caused by elements

[Easy to Use]: Slide cuff onto hitch and engage the fifth wheel kingpin lock using the included keys; Lock cylinder slides inwards to ensure a sturdy, tamper-resistant connection that protects your trailer from being towed away

[Fluorescent Tag]: Extra visual warning helps prevent accidents that could damage your vehicle while your RV king pin lock is engaged; 12-inch (30.5 cm) steel chain ensures your tag will stay connected to your 5th wheel trailer hitch lock

Compatibility: Ratchet design is adjustable with 11 locking positions and fits 1-7/8", 2", and 2-5/16" couplers

Bright yellow color is durable, highly visible, and an essential accessory to all types of trailers

Easy to assemble. Easy and quick to install and remove. Fully adjustable universal fit

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

Durable: The hitch lock is protected from the elements with a durable powder coat finish. Non-slip, Wear-Resistant, and Rust-Proof.

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

[ALL FOR ULTIMATE SECURITY] We apply strict standards for manufacturing this trailer hitch lock by utilizing all steel construction that is literally bolt cutter proof. It offers everything a customer could be looking for in a hitch lock and will do everything in its power to ensure your trailer does not get stolen.

[CAP FOR THE KEYHOLE] Our trailer hitch receiver lock features one watertight cap that keeps the keyhole away from water and dirt and helps reduce the effects certain weather conditions can have on the integrity of the lock. If live in a place where you expect rain a lot this will really benefit your particular needs, and it would be beneficial to anyone regardless of the climate where you live.

[EASY INSTALLATION] Our trailer lock pin can be installed easily. As it contains only two main parts, as long as you couple these two parts with the hitch and give them a push, they will be automatically locked. This is because this lock has a push to lock mechanism that makes this product extremely easy to use.

1.MICTUNING Trailer Hitch Locking Pin Design - 5/8 Inch diameter with effective length 3-1/2" Inch black bent pin. Fits Class III IV 2", 2-1/2" Inch hitch receiver tubes

2.Safer Tubular Lock - Unlike the old simple lock, our upgraded zinc alloy tubular lock core adopts more advanced anti-theft technology than before, tubular key instead of a regular flat key, much safer to use. Simple push-to-lock mechanism and 1/4 key turns to unlock, makes it convenient to use

3.Anti Theft - The trailer hitch pin lock can locks into your trailer and keeps it secure, well protect hitch from thieves. Standard bent pin style design creates a useful handle for easier use, also allows the pin to fit snugly and securely in the hitch connection

✅GREAT VALUE KIT: JUST ONE KEY! Our trailer hitch lock set includes 1 universal trailer ball lock, 5/8" trailer hitch lock, 1/2" and 5/8" bent trailer hitch locks, and a golden trailer coupler lock. The trailer lock kit can meet the locking needs of most trailers in the US

✅SECURE YOUR TRAILER: Protect your trailer, boat, and camper from theft with our durable and reliable trailer hitch lock set. Made of high-quality solid hardware materials, our locks can carry up to 30,000 lbs and resist picking, prying, and drill outs

✅EASY TO INSTALL: Our trailer hitch lock set is fully adjustable and easy to install and remove. Plus, you can use just one key for all three locks, making it convenient and hassle-free

🔐【UNIVERSAL&ADJUSTABLE 】:Cenipar Universal Trailer Hitch Security Adjustable Lock Tow Ball Coupler fits 1-7/8”,2”,2-5/16” couplers. The ratchet is adjustable with 11 locking positions and can be adjusted according to your needs. Trailer locks ball hitch 2 5/16 is an ideal camping accessory for travel camping enthusiasts.

🔐【MADE OF HEAVY DUTY STEEL】: The u-shape trailer lock is made of heavy-duty steel and superior quality aluminum, won't be broken by thieves. The tight fit of ratchet and the insertion hole will prevent thieves from prying open and drilling. The exterior is coated with anti-corrosion coating, and the interior is protected by waterproof and dust-proof components, which are not afraid of any bad weather.

🔐【AFTER SALE WITHOUT WORRY】: 💡365 DAYS WARRANTY💡 RISK-FREE SHOPPING! When you use locks for trailers, If you have any question, please don't hesitate to contact us. We will solve your problem as quickly as possible, and will try our best to satisfy every customer, and will strictly carry out the quality-control project, which will enable our customers to buy with confidence and use with satisfaction.

🔐【 CORROSION RESISTANT 】:Security of 5/8 Inch Towing Hitch Lock & 1/4 Inch Coupler Locking Pin are made of high-strength carbon steel coated with black electrophoretic paint.The trailer hitch lock is durable and rust free.to prevent corrosion in all weathers .The electrophoresis technology has better to prevent corrosion and anti-aging performance, the color retention time is relatively longer.

🔐【 HIGH-PERFORMANCE 】: The trailer hitch coupler lock provides customers a safe and Convenient environment by fixing the coupler on the trailer RV Boat Truck Car and also fixing trailer latches, cargo boxes and other types of doors.The trailer pin lock prevents your truck and the things hanging on it from theft.

🔐【 PACKAGE INCLUDE】:Lock set include 1PC 5/8 Inch Diameter with 4 Inch effective length black trailer hitch Locks,Recommended For - 2 to 2.5 inch tow receivers.1PC Trailer Hitch Coupler Locking Pin,1/4” Dia Trailer Coupler Lock with 3/4 Inch Span.

COMPATIBILITY: This trailer hitch locks has a 2" ball diameter and a 3-4/5" U-bar width, making it suitable for 1-7/8", 2", and 2-5/16" couplers. The ratchet is adjustable, with 11 locking positions.

HIGH QUALITY: This U-shape trailer lock is made of heavy-duty solid A36 steel and aluminum alloy, making it durable, rustproof, and weatherproof. It has passed product quality certification through a rigorous QC process.

SAFETY: This RV hitch lock features a heavy-duty steel lock bar, which provides excellent protection against picking, prying, and drilling.

【UNIVERSAL FIT】Trailer hitch locks fits 1-7/8", 2", 2-5/16"couplers on trailer, truck, RV, SUV. Ratchet is adjustable with 11 locking positions.

【4 Digit Combination】Trailer lock with combination lockcombines which default combination is (000) with the last anti-theft technology avoid forgetting your keys to ensure your vehicle safety.

【EASY TO INSTALL】Trailer coupler lock is easy for you to install and remove, and bright deterrent yellow color is high visibility.

Compatible with hitch receivers, hollow shank ball mounts, and multiple brands of hitch mounted bike racks, including Thule, Yakima, Saris, Kuat, Rocky Mounts, Swagman, Hollywood, Allen, and Inno. and hitches from manufacturers including Curt, Reese, Draw-Tite, Hidden Hitch, TorkLift, and Ultra-Fab

Eliminate the annoying rattle and vibration when towing by using this versatile anti rattle anti theft accessory, compatible across brands. Anti rattle hitch tightener reduces wobble; stops movement, play, and sway; eliminates the clank noise. Halts up and down and side to side motion; prevent drawbar rattling and wobbling under load.The adapter can be rotated 180° for variances in wall thickness of the ball mount or receiver mounted equipment

Perfect for use with a car, van, truck, RV, tow vehicle, SUV, ATV, bicycle rack, camper, fifth wheel, boat trailers, cargo trailer, gooseneck and towing accessories.   Extra long pin compatible with Toyota hitches. Reduces wear on drive train when stopping and starting. Anti-theft hitch lock included for security.

🔐【 CORROSION RESISTANT 】:The black trailer coupler is made of high-strength carbon steel coated with black electrophoretic paint.The trailer hitch lock is durable and rust free.to prevent corrosion in all weathers .The electrophoresis technology has better to prevent corrosion and anti-aging performance, the color retention time is relatively longer.

🔐【 HIGH-PERFORMANCE 】: The trailer hitch coupler lock provides customers a safe and Convenient environment by fixing the coupler on the trailer RV Boat Truck Car and also fixing trailer latches, cargo boxes and other types of doors.Provide you a safer journey.

🔐【 EASY TO OPERATE】:The black trailer coupler lock small size for easy carrying.The hitch lock for travel trailer is uses a simple 1/4-turn lock activation.Just spin the flat key 5-7 times to open or close the trailer hitch lock.Save your time and energy.