CURT Trailer Hitch Pin: 1 1/4 in Compatible Hitch Size, 1/2 in Pin Dia, I/II
The CURT Trailer Hitch Pin (MPN 21404) is a steel pin and clip assembly with a 1/2 in pin diameter and 3 7/8 in overall length, designed for Class II hitches. It features a zinc-plated finish and includes a hitch…
SKU 3G-OTH-485372
Need installation or engineering help?
Ask a question
Product Description
The CURT Trailer Hitch Pin (MPN 21404) is a steel pin and clip assembly with a 1/2 in pin diameter and 3 7/8 in overall length, designed for Class II hitches. It features a zinc-plated finish and includes a hitch clip. This product is compatible with 1 1/4 in hitch sizes and is classified as Type I/II.
Frequently Asked Questions
What is the CURT Trailer Hitch Pin 21404 used for?
The CURT Trailer Hitch Pin 21404 secures a trailer coupler onto a Class II hitch receiver. It is used for towing applications where a 1 1/4 in hitch size and 1/2 in pin diameter are required, providing a reliable connection with its zinc-plated steel construction and included hitch clip.
What are the specifications of the CURT 21404 hitch pin?
The CURT 21404 hitch pin has a 1/2 in pin diameter, 3 7/8 in overall length, and is compatible with 1 1/4 in hitch sizes. It is made of steel with a zinc-plated finish, includes a hitch clip, and is rated for Class II vehicles. The manufacturer part number is 21404.
Where to buy the CURT 21404 trailer hitch pin worldwide?
3G Electric supplies the CURT 21404 trailer hitch pin to customers worldwide. We handle full logistics, customs clearance, and delivery to your location. Contact us to order this steel pin and clip assembly for Class II hitches, and we will source and deliver it to you.
How to install the CURT 21404 hitch pin?
To install the CURT 21404 hitch pin, insert the 1/2 in diameter pin through the aligned holes of the hitch receiver and trailer coupler. Secure the pin by attaching the included hitch clip through the hole at the end of the pin. Ensure the clip is fully engaged before towing.
Used in
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.









