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🔐 Lock in peace of mind, tow with confidence.
The CURT 23518 Black Trailer Hitch Lock features a robust 5/8-inch diameter pin designed to fit standard 2-inch hitch receivers. Crafted from high-strength steel with a corrosion-resistant powder coat and watertight dust cap, it offers durable, weatherproof protection. Its barbell-style design and simple 1/4-turn key lock provide reliable theft deterrence, while two included keys ensure convenient access. Ideal for securing trailers, campers, boats, and ATVs, this lock is a top-rated choice for professional-grade towing security.










| ASIN | B00T9N6DPK |
| Best Sellers Rank | #6,005 in Automotive ( See Top 100 in Automotive ) #21 in Towing Hitch Locks |
| Brand | CURT |
| Customer Reviews | 4.5 4.5 out of 5 stars (17,246) |
| Date First Available | February 6, 2015 |
| Exterior | Painted |
| Is Discontinued By Manufacturer | No |
| Item Weight | 10.2 ounces |
| Item model number | 23518 |
| Manufacturer | CURT |
| Manufacturer Part Number | 23518 |
| Model | 23518 |
| OEM Part Number | 23518 |
| Product Dimensions | 8.87 x 1.87 x 1.25 inches |
J**E
Great Color, No Rust, Theft Deterent
Great fit and finish that blends in well with our tow hitches. No signs of rust or fading from being outside all the time. The rubber cap can go missing fairly easy if you're not careful. These types of locks aren't unbreakable, but it does help deter theft, because rather than removing a pin without any tools and taking your hitch, a thief would at least have to commit to breaking the pin. A step many wouldn't bother doing especially in a public space. Cheap, easy to use peace of mind.
A**M
Works as advertised, protected my hitch.
I was pleased with the weight and durability of this lock, and I guess I'll have to order another one. I found that someone tried to make off with my B&W hitch by attempting to break this pin but wasn't able to. Unfortunately the key no longer worked and I had to shear it off but props to Curt for making a great hitch lock!
M**.
Secures my US Navy anchor!
Good design and very well made!
D**B
Good quality product
Would give it 5-stars but had a problem with the lock attaching properly unbeknownst to me and the lock part fell off so I had to buy a new one. But it fits well and seems sturdy for the price. So, make sure it locks onto pin.
B**K
The lock
Works perfectly
D**O
Genial
Genial
A**E
Work Well
Had this locked on my truck for 3 years securing a step bumper to the trailer hitch. I gave the lock and the step bumper to a friend after I sold the truck. We both like how it holds up to weather and two-legged varmints. A nice lock for the price.
C**N
Safety for my hitch
Loved how it secured my hitch and gear tray from casual theft.
H**B
Good product
Fits well .. a bit difficult to lock and unlock .. would of made life easier if both pieces click and the lock doesn’t rotate
G**N
Perfect
Works perfectly on my quad bike
C**I
Excelente calidad!!
Fácil de colocar y práctico.
P**E
Very secure
It has protected my towbar from theft several times. However, after five years it the locking mechanism jammed up and needed to be grinded off.
N**S
Perfect replacement pin for a detachable towbar.
Purchased this as a replacement for the chrome pin on a new VW Amarok. Secure, unnoticable and no doubt just as strong as the original for just north of £20. Its finished in black all around and should last way beyond the life of the vehicle. Perfect.
Trustpilot
1 month ago
2 months ago