Description
Brand: CURT
Receiver Compatibility: 2″, 2-1/2″, and 3″ receiver tubes
Pin Type: Bent Pin
Pin Diameter: 5/8 inch
Material: Durable steel
Finish: Chrome-plated
Lock Type: Key-operated deadbolt
Activation Mechanism: 1/4-turn lock
Includes Dust Cap: Yes – watertight
Includes Key Lock: Yes
Includes Clip: No
Universality: Fully universal
Curt 23021 Receiver Lock – Secure Your Hitch with Confidence
When it comes to keeping your rig safe and your peace of mind in check, the CURT Receiver Lock pulls its weight. This heavy-duty trailer hitch lock slides into place fast and locks up tighter than a bank vault on Sunday. Designed to fit 2″, 2-1/2″, and 3″ receivers, it’s the kind of gear every hauler, tower, and weekend warrior needs in their toolbox.
Secure Your Haul with a Reliable Hitch Receiver Lock
- Built CURT Tough – Forged from solid steel and finished in corrosion-resistant chrome for all-weather durability.
- Quick & Easy Locking – Just a 1/4-turn with the key and you’re locked up solid—no fiddlin’, no fuss.
- Watertight Dust Cap – Keeps out water, dirt, and grime so your hitch receiver lock stays smooth and strong.
- Universal Fit – Works like a charm on 2”, 2-1/2”, and 3” receiver hitches, giving you one lock for all your toys.
- Peace of Mind – Deters theft of your ball mount and trailer, no matter where you park or camp.
Why Choose CURT – The Trusted Receiver Lock for Haulers Who Don’t Cut Corners?
Whether you’re towing a camper down back roads or a boat to the water, the CURT receiver lock secures your equipment where it should be—attached to your truck and away from a thief’s hand. It’s tiny, but oh boy, is it powerful.
If you’re towing, secure it with CURT—the name people know from sea to shining sea. Buy now!
Offroad Bumper Tips
Always do your homework before you buy a bumper! Below you can find everything you need to know about bumpers’ weight, thickness, selection, and more. To help your decision, we’ve compiled a full list of all the bumpers we carry. Compare them by look, function, and price.
Everyone wants to know about the weight of steel bumpers and we’re here to help you out. In this blog, you can find every answer to any question you could have about it.
What’s the right thickness for a bumper? Find out with our guide to bumper thickness.

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