CURT 23021 5/8\" Deadbolt Trailer Hitch Receiver Pin Lock Fits 2\" 2.5\" 3\" Tubes For Sale

Protect your expensive trailer, boat, camper, and hitch-mounted accessories against opportunistic theft with the CURT 23021 5/8\" Deadbolt Trailer Hitch Receiver Lock. Built by CURT—the industry leader in premium towing products—this heavy-duty locking pin provides dependable, theft-deterrent security across standard Class 3, Class 4, and commercial Class 5 receiver hitches.

Constructed from high-strength solid carbon steel, the CURT 23021 delivers an impressive 18,000 lbs pull force rating, ensuring it will never shear or bend under extreme towing stresses. The versatile 5/8-inch pin diameter with an extended usable span allows it to fit virtually any 2-inch, 2-1/2-inch, or 3-inch receiver tube. Featuring a simple 1/4-turn lock activation, you can effortlessly lock or unlock your ball mount in seconds. The durable bright chrome plating shields the pin from oxidation, while the watertight rubber dust cap seals the internal tumbler mechanism against rain, snow, dirt, and corrosive road salt.

• Maximum Anti-Theft Security: Deadbolt-style locking head deters tampering and secures your ball mount, bike rack, or cargo carrier.

• 18,000 lbs Pull Force Strength: High-tensile solid steel construction withstands severe towing weights and heavy shear forces.

• Multi-Size Receiver Compatibility: 5/8\" pin fits 2\", 2.5\", and 3\" receiver tubes (Class III, IV, and V hitches).

• 1/4-Turn Deadbolt Activation: Simple, smooth key turn locks and unlocks without frustrating alignment issues.

• Watertight Rubber Dust Cap: Protects keyhole and internal lock tumblers from water, mud, grit, and winter road chemicals.

• Two Keys Included: Comes with two factory keys so you always have a spare in your glove box or key holder.

• Brand: CURT

• Part Number: 23021

• UPC: 612314608010

• Pin Diameter: 5/8 Inch (15.9 mm)

• Receiver Tube Fitment: 2\", 2-1/2\", 3\" (50.8 mm – 76.2 mm)

• Rating: 18,000 lbs GTW

• Finish: Polished Chrome / Black Lock Head

• Class 3 (Class III) Hitches: 2\" x 2\" standard receiver tubes on pickups, SUVs, and crossover vehicles.

• Class 4 (Class IV) Hitches: 2\" x 2\" and 2.5\" x 2.5\" heavy-duty receiver tubes on full-size trucks and commercial haulers.

• Class 5 (Class V) Hitches: 2.5\" x 2.5\" and 3\" x 3\" commercial receivers on heavy-duty trucks (Ford Super Duty F-250/F-350/F-450, Chevy Silverado 2500/3500 HD, RAM 2500/3500).

• Towing Ball Mounts & Drop Hitches

• Cargo Carrier Baskets & Luggage Trays

• Tow Hooks, Shackle Brackets & Recovery Steps