CURT 23580 stainless hitch lock installed in a receiver for secure towing.
CURT hitch lock barbell design shown with two keys for theft deterrence.
CURT 23580 stainless hitch lock installed in a receiver for secure towing.
CURT hitch lock barbell design shown with two keys for theft deterrence.

CURT 23580 Stainless Steel Trailer Hitch Lock – 1/2-inch Pin, 5/8-inch Adapter, Fits 1-1/4in or 2in Receivers

CURT 23580 Stainless Steel Trailer Hitch Lock: Strong, Weather-Ready Security When you park your trailer or back...
Vendor: CURT
Availability: In stock
£43.22
£43.22
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Subtotal: £43.22
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CURT 23580 stainless hitch lock installed in a receiver for secure towing.

CURT 23580 Stainless Steel Trailer Hitch Lock – 1/2-inch Pin, 5/8-inch Adapter, Fits 1-1/4in or 2in Receivers

£43.22
CURT 23580 stainless hitch lock installed in a receiver for secure towing.
CURT hitch lock barbell design shown with two keys for theft deterrence.

CURT 23580 Stainless Steel Trailer Hitch Lock – 1/2-inch Pin, 5/8-inch Adapter, Fits 1-1/4in or 2in Receivers

£43.22
Description
Description
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CURT 23580 Stainless Steel Trailer Hitch Lock: Strong, Weather-Ready Security

When you park your trailer or back away from a job site, peace of mind matters. The CURT 23580 hitch lock combines a robust stainless steel body with a compact barbell design to create a reliable locking point at your hitch. It accepts a 1/2-inch pin diameter and includes a 5/8-inch adapter sleeve, so it can be used with most common receiver sizes. The result is a clean, low-profile lock that stays out of the way while still providing a visible sign of security.

Engineered for outdoor use, this lock features a watertight dust cap that helps keep dirt and moisture away from the internal mechanism. The stainless steel construction adds corrosion resistance, meaning it should hold up well through seasonal rain, road spray, and sun exposure. The easy-to-operate 1/4-turn mechanism enables quick locking and unlocking, whether you’re heading to the boat ramp or returning from a camping trip.

What makes CURT 23580 stand out

  • DEPENDABLE SECURITY: Strong stainless steel protects against tampering and corrosion, extending the life of your hitch hardware.
  • EASY TO OPERATE: Barbell design with a simple 1/4-turn lock action for convenient use.
  • VERSATILE FIT: 1/2-inch pin with 5/8-inch adapter sleeve fits most 1-1/4" and 2" receivers across several hitch classes.
  • WATERTIGHT PROTECTION: Dust cap keeps the locking components dry and ready for action in wet conditions.
  • TWO KEYS INCLUDED: Comes with two keys for convenience and a spare for emergencies.

Real-world use cases

  • Boat trailers and campers: secure your drawbar while you run errands or launch from a public ramp.
  • ATV and light utility trailers: deter opportunistic theft when you park on the street or in lots.
  • Busy job sites: keep equipment attached overnight or between shifts with a visible, sturdy lock.

For added security, many users pair a hitch lock with a separate coupler lock. This two-layer approach can help protect both ends of the setup—vehicle and trailer—and reduce the risk of unauthorized detachment. While no single lock can guarantee perfect security, CURT 23580 offers a straightforward, durable option designed for regular outdoor use and many common hitch configurations.

FAQ

Q: What hitch sizes does CURT 23580 fit?

A: It uses a 1/2-inch pin with a 5/8-inch adapter to fit 1-1/4 inch or 2-inch receivers.

Q: Is the lock weatherproof and durable?

A: Yes, the lock is stainless steel with watertight dust caps to resist the elements.

Shipping & Return
Shipping & Return
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Returns Policy

You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).

You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).

If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.

Shipping

We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.

When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.

Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.

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