CURT Trailer Hitch Pin: 2 in Compatible Hitch Size, 5/8 in Pin Dia, III/IV/V
The CURT Trailer Hitch Pin (MPN 21551) is a steel pin & clip for Class IV hitches, with a 5/8 in pin diameter and 5 5/8 in overall length. It includes a swivel hitch pin and has a chrome-plated finish, compatible…
SKU 3G-OTH-485404
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Product Description
The CURT Trailer Hitch Pin (MPN 21551) is a steel pin & clip for Class IV hitches, with a 5/8 in pin diameter and 5 5/8 in overall length. It includes a swivel hitch pin and has a chrome-plated finish, compatible with 2 in hitch sizes.
Frequently Asked Questions
What is the CURT Trailer Hitch Pin 21551 used for?
The CURT Trailer Hitch Pin 21551 secures a trailer coupler to a 2 in hitch receiver on Class IV vehicles. Its 5/8 in pin diameter and 5 5/8 in overall length provide a reliable connection for towing. The chrome-plated steel construction resists corrosion, and the swivel pin simplifies insertion and removal.
What are the specifications of the CURT 21551 hitch pin?
The CURT 21551 is a steel hitch pin with a 5/8 in pin diameter and 5 5/8 in overall length. It is compatible with 2 in hitch sizes and fits Class III, IV, and V hitches. The chrome-plated finish resists rust, and it includes a swivel hitch pin for easier use. The manufacturer part number is 21551.
Where to buy the CURT 21551 trailer hitch pin worldwide?
3G Electric supplies the CURT 21551 trailer hitch pin to customers worldwide. As a global industrial solutions provider, we handle logistics, customs clearance, and delivery to your location. Contact us to order this chrome-plated steel pin with a 5/8 in diameter and swivel design for Class IV hitches.
How to install the CURT 21551 hitch pin?
To install the CURT 21551, align the trailer coupler with the 2 in hitch receiver. Insert the 5/8 in diameter pin through the aligned holes until the swivel clip snaps into place. Ensure the pin is fully seated and the clip is secure before towing. Regularly inspect the chrome-plated finish for wear.
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Common applications for CURTCURT Products
3G Electric supplies CURT pin & clips. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.









