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Anti-theft: designed by our bulletProof team of engineers to be the most durability locking pin on the market and provide maximum protection against theft.

Our strong coupler lock fits select 2 5/16-inch trailer couplers to help keep your trailer secure. Make sure to check the coupler sizes that are compatible with our lock hardware to ensure that the lock you select matches your trailer coupler.
Heavy-duty trailer lock: it’s important to do everything you can to protect your belongings and your trailer or camper from being stolen. We carefully research and manufacture our locking systems from conception to fabrication in the USA. Custom trailer-coupler lock: this custom-tailored lock will only mount on very specific 2 5/16-inch couplers.

Different brand hitches may have a little different hitch tube size, please adjust O ring quantity or remove O ring to fit the receivers.
Push lock design make easy to use - 4 tubular keyed alike keys making it easier to lock and unlock, 1/4 turn lock and push lock design, easy to operate, watertight dust rubber cap prevents locking mechanism internal corrosion. Before purchase, to get a great fit of the hitch lock pin. 5/8" receiver pin with 3-1/4" span, 45901, 45902 and adjustable pintle hooks 45907, fits Class III/IV hitches with 2" and 2-1/2" receivers. Rubber o rings keep rattles down - rubber o rings prevent any rattling and hold the hitch pin still.

Receiver openings; extended length shaft fits toyota tundra, Ford F-150/F-250/F-350, GMC/Chevy 2500/3500 and Dodge trucks with heavy-duty tow packages. Includes: one trailer reciver lock, two keys.

Versatile. Two keys included. To protect your trailer and trailer hitch ball mount from theft, this locking hitch pin is made with high-strength steel construction.
Dependable security. Easy to operate. You can keep the spare key in a discrete location for emergencies or give it to a friend for helpful access. The internal components of this hitch lock can easily be protected from the elements with the included watertight dust cap, while the entire hitch lock is shielded against corrosion with a durable powder coat finish. Watertight.

51 mm receiver tubes, class iii/iv; 1/2 in. Locking head rotates 360 degrees allowing keyway to conveniently face forward; receiver lock features push-to-lock locking mechanism to ensure a secure lock every time; Push head firmly onto the pin and remove key.
Trailer hitch locking pin is rated up to 10, 500 lbs Class I and II, 000 lbs Class III and IV. Snap-on cover provides weather resistance and prevents dirt and moisture from entering keyway, four-pin cylinder for added security to prevent lock picking. 70 mm. Trailer hitch locking pin is rated up to 3, 5/8 in. 32 mm receiver tubes, class ii; Usable length of each chrome hitch pin lock is 2-3/4 in. 5/8 in.
1. Cocoweb
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HHLCL, Cocoweb Chrome C-Lock Heavy Duty Locking 5/8" Inch Hitch Pin with Weather Guard Protection
#adCocoweb #ad - Protection: the heavy duty 5/8" Pin locks into your trailer and keeps it secure. Quick and easy: easy installation No drilling or mounting required; just slide in the pin, lock it, and go! Please verify all dimensions of hitch before purchase.More information #ad
Versatile: built to fit most industry standard 5/8" hitch receiver. Weather-resistant: weatherproof Cap protects the keyhole, keeping out water and grime while keeping the lock rust-free.Brand | Cocoweb #ad |
Manufacturer | Cocoweb #ad |
Height | 0.62 Inches |
Length | 6 Inches |
Weight | 0.85 Pounds |
Width | 0.62 Inches |
Part Number | HHLCL |
Model | HHLCL |
More information #ad
2. Cocoweb
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Cocoweb HL-58BK | C-Lock Heavy Duty Locking 5/8 Inch Hitch Pin, Black
#adCocoweb #ad - Versatile: built to fit most industry standard 5/8" hitch receiver. Weather-resistant: weatherproof Cap protects the keyhole, keeping out water and grime while keeping the lock rust-free.More information #ad
Quick and easy: easy installation No drilling or mounting required; just slide in the pin, lock it, and go! Includes 1 year manufacturer warranty. Protection: the heavy duty 5/8" Pin locks into your trailer and keeps it secure.Brand | Cocoweb #ad |
Manufacturer | Cocoweb #ad |
Height | 0.62 Inches |
Length | 6 Inches |
Weight | 0.8 Pounds |
Width | 0.62 Inches |
Part Number | HL-58BK |
Model | HL-58BK |
Warranty | 1 Year Manufacturer Warranty |
More information #ad
3. Rhino USA
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Bike, Boat, Rhino USA Trailer Hitch Lock, Used to Tow Truck, Patented 5/8" Locking Receiver Pin for Class III IV Hitches, Weatherproof Anti-Theft Lockable Pin with Dust, Mud & Gunk Protection
#adRhino USA #ad - Common hitch sizes - our unique hitch pin Fits all Class III & IV Hitches 2" x 2" With Ease. 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.More information #ad
Guaranteed 5-star experience - if you aren't 100% Satisfied for any Reason, We'll Refund your Money. Patent pending design - newly Added Weatherproof Slide Cap Protects From Dirt, Mud & Gunk.Brand | Rhino USA #ad |
Manufacturer | Rhino USA, Inc. #ad |
Part Number | HITCHPIN-P |
Model | HITCHPIN-P |
Warranty | Unlimited Lifetime Warranty Included |
More information #ad
4. AMPLOCK
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AMPLOCK U-BRP2516 RV/Trailer Coupler Lock fits 2 5/16 inches Ball Coupler with Straight Lip only | Made in Canada
#adAMPLOCK #ad - Molded to fit the specific shape of your trailer or Caravan RV 2 5/16 inches coupler when unhitched. Easy to use with ampLOCK’s push and lock system.More information #ad
Materials used by ampLOCK provide good rust resistance for use in all climates. The strongest lock to secure your trailer or caravan RV made with high quality materials and control and identification key system.Brand | AMPLOCK #ad |
Manufacturer | AMP #ad |
Height | 8.5 Inches |
Length | 7 Inches |
Weight | 12 Pounds |
Width | 6 Inches |
Part Number | 8 87613 30016 7-a |
Model | 8 87613 30016 7-a |
Warranty | AMP Drummond Inc. (the ''Company'') provides a one-year limited warranty from the original date of purchase by the end-user of the products manufactured by the Company (the ''Product'') against defects in material and workmanship. This limited warranty is non-transferrable and is subject to certain restrictions. The provisions of this warranty do not apply to Products: (i) used for purposes for which they are not designed or intended; (ii) which have been altered or abused; or (iii) which have been used in violation of any written instructions provided by the Company. SOLE REMEDY; NO ADMISSION The company's sole obligation under this warranty shall be to replace the Product. In no event shall the Company's acceptance to replace a Product be construed as an admission of liability of any kind, including, without limitation, that the Product returned was in fact defective. |
More information #ad
5. BulletProof Hitches
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Bulletproof Stainless Steel Trailer Hitch Locking Pin with Weather Resistant Rubber Cap, Universal Fit, & Compatible with Class 1, 4, 3, & 5 Hitches, 5/8” Diameter, 2
#adBulletProof Hitches #ad - 2 keys: each locking pin comes with 2 keys. Weather resistant rubber cap: our weather resistant rubber cap has been re-designed with thicker rubber and a tighter fit to completely seal the end of your lock and keep any dirt or water from entering the locking mechanism.Anti-theft: designed by our bulletProof team of engineers to be the most durability locking pin on the market and provide maximum protection against theft.
More information #ad
Stainless steel construction & Internals: Provides maximum rust and corrosion resistance against the elements. Universal fit: our custom length is designed to fit all vehicles and trailer hitches with additional R-Clip holes along the length of the pin to help reduce movement of the pin when using with smaller receivers.Brand | BulletProof Hitches #ad |
Manufacturer | BulletProof Hitches #ad |
Part Number | BPLP |
Model | BPLP |
More information #ad
6. Proven Industries
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Fits 2 5/16-Inch Couplers, Proven Industries Model 2516 Trailer Lock, Secures Safety Chains, Black, Made in The USA
#adProven Industries #ad - 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.Our strong coupler lock fits select 2 5/16-inch trailer couplers to help keep your trailer secure. Make sure to check the coupler sizes that are compatible with our lock hardware to ensure that the lock you select matches your trailer coupler.
More information #ad
Proven industries: we are dedicated to providing our customers with the most effective trailer locks on the market. Tough lock: the locking parts on this device are constructed from hardened steel for increased security, hammers, and the exterior cover is tough enough to stop burglars from using power tools, and crowbars on your lock. Heavy-duty trailer lock: it’s important to do everything you can to protect your belongings and your trailer or camper from being stolen. We carefully research and manufacture our locking systems from conception to fabrication in the USA. Custom trailer-coupler lock: this custom-tailored lock will only mount on very specific 2 5/16-inch couplers.
Brand | Proven Industries #ad |
Manufacturer | Proven Locks #ad |
Weight | 10 Pounds |
Part Number | 2516 |
Model | 2516 |
More information #ad
7. TowWorks
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V Hitches, TowWorks 79852 Keyed Alike 5/8" Trailer Hitch Lock Set for Adjustable Channel Mounts, Double Safety Heavy Duty Tow Hitch Receiver Locking Pins fit Class III
#adTowWorks #ad - Different unit packages have different key codes, will be NOT keyed alike. Caution: r spring clip cotter pin MUST be inserted into pin hole when use this lock. If you need more quantity keyed alike, please choose 79850 Adjuster pin fits most adjustable hitches - extra long 5/8" locking hitch pin with 4-1/2" span, such as fit for curt channel style adjustable hitches 45900, fits most adjustable hitches, please verify all dimensions of your hitch, 45908.Different brand hitches may have a little different hitch tube size, please adjust O ring quantity or remove O ring to fit the receivers.
More information #ad
2 locks 4 keys keyed alike: this item 79852 each unit package includes 2 locks with 4 keys all keyed alike. This lock does not fit for FASTWAY adjustable hitches. Spring clip cotter pin provides additional safety - a separate spring clip cotter pin provides additional safety, can use the locking pin with or without the lock mechanism. Push lock design make easy to use - 4 tubular keyed alike keys making it easier to lock and unlock, 1/4 turn lock and push lock design, easy to operate, watertight dust rubber cap prevents locking mechanism internal corrosion. Before purchase, to get a great fit of the hitch lock pin. 5/8" receiver pin with 3-1/4" span, 45901, 45902 and adjustable pintle hooks 45907, fits Class III/IV hitches with 2" and 2-1/2" receivers. Rubber o rings keep rattles down - rubber o rings prevent any rattling and hold the hitch pin still.
Brand | TowWorks #ad |
Manufacturer | TowWorks #ad |
Height | 1.2 Inches |
Length | 8.9 Inches |
Width | 2.4 Inches |
Part Number | 79852 |
Model | 79852 |
Warranty | One-Year warranty on lock finish, lifetime warranty on lock function. |
More information #ad
8. Master Lock
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1469DAT, Master Lock Receiver Lock, Stainless Steel Barbell™ Receiver Lock, Weather Resistant Automotive Receiver Lock, Fits 5/8 in. Receivers
#adMaster Lock #ad - Durable design: weather tough seal and watertight cap provide protection from moisture and dirt; Hitch lock is rated for Class III/IV 10, 000 pound load.Receiver openings; extended length shaft fits toyota tundra, Ford F-150/F-250/F-350, GMC/Chevy 2500/3500 and Dodge trucks with heavy-duty tow packages. Includes: one trailer reciver lock, two keys.
More information #ad
Lock application: Best used for vehicles, trailers, and RV hitch locks. Specifications: usable length of receiver pin is 3-1/2 in. Stainless steel lock fits 5/8 in. Ease of use: receiver lock features convenient Push to Lock locking mechanism: push lock body firmly onto the pin and remove key.Brand | Master Lock #ad |
Manufacturer | Master Lock #ad |
Height | 4.3 Inches |
Length | 1.7 Inches |
Weight | 0.7 Pounds |
Width | 8 Inches |
Part Number | 1469DAT |
Model | 1469DAT |
Warranty | Limited Lifetime Warranty |
More information #ad
9. CURT
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Fits 2-Inch Receiver, 5/8-Inch Pin Diameter, CURT 23518 Black Trailer Hitch Lock
#adCURT #ad - For your convenience, two keys are included with this trailer hitch lock. The barbell-style locking hitch pin promotes an impenetrable appearance to deter theft, and uses a simple 1/4-turn lock activation for convenient locking and unlocking as needed.Versatile. Two keys included. To protect your trailer and trailer hitch ball mount from theft, this locking hitch pin is made with high-strength steel construction.
More information #ad
With a 5/8-inch diameter pin and 2. 85 inches of usable pin length, this receiver hitch lock fits virtually any 2-inch x 2-inch hitch receiver with a 5/8-inch hole not compatible with double-walled receiver tubes. Dependable security. Easy to operate. You can keep the spare key in a discrete location for emergencies or give it to a friend for helpful access. The internal components of this hitch lock can easily be protected from the elements with the included watertight dust cap, while the entire hitch lock is shielded against corrosion with a durable powder coat finish. Watertight.
Brand | CURT #ad |
Manufacturer | CURT #ad |
Height | 1.25 Inches |
Length | 8.87 Inches |
Weight | 0.7 Pounds |
Width | 1.87 Inches |
Part Number | 23518 |
Model | 23518 |
Warranty | Limited 1-year Warranty |
More information #ad
10. Master Lock
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Weather Resistant Automotive Receiver Lock with Keys, Master Lock Receiver Lock, 1/2 in. and 5/8 in. Swivel Head Receiver Locks
#adMaster Lock #ad - Receiver lock provides added security and theft deterrence while towing. Fit type: Vehicle Specific. For compatibility with bike or other storage racks, please consult the rack manufacturer’s recommendations prior to using this product.51 mm receiver tubes, class iii/iv; 1/2 in. Locking head rotates 360 degrees allowing keyway to conveniently face forward; receiver lock features push-to-lock locking mechanism to ensure a secure lock every time; Push head firmly onto the pin and remove key.
More information #ad
1/2 in. 13 mm diameter pin fits 1-1/4 in. 16 mm diameter pin fits 2 in. Included components: two Pins, Two Keys, One Locking Swivel Head. Trailer hitch locking pin is rated up to 10, 500 lbs Class I and II, 000 lbs Class III and IV. Snap-on cover provides weather resistance and prevents dirt and moisture from entering keyway, four-pin cylinder for added security to prevent lock picking. 70 mm. Trailer hitch locking pin is rated up to 3, 5/8 in. 32 mm receiver tubes, class ii; Usable length of each chrome hitch pin lock is 2-3/4 in. 5/8 in.
Brand | Master Lock #ad |
Manufacturer | Master Lock #ad |
Height | 1.58 Inches |
Length | 8.56 Inches |
Weight | 1.1 Pounds |
Width | 3.75 Inches |
Part Number | 2688DAT |
Model | 2866DAT |
Warranty | Limited Lifetime Warranty |
More information #ad