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Keeping a 3,500-lb round axle secure takes more than just any hardware. This CE Smith replacement U-bolt clamps the axle firmly to the leaf springs with a 1/2"-13 steel bolt that’s built to handle the load. At 5-3/8" long and 2-3/8" wide, it fits 2-3/8" diameter axles so everything lines up for a snug, dependable hold that keeps your suspension tight mile after mile.
Corrosion is a real problem for trailers that see rain, salt, and wet conditions. This U-bolt is made from galvanized steel, hot-dipped in zinc for a 3-mil to 5-mil thick coating that shields against rust. That extra layer keeps the metal strong and looking clean even after years of use in harsh environments.
When you’re replacing or upgrading suspension parts, you want hardware that fits right the first time. This round bolt matches the shape of 2-3/8" round axles and works with a U-bolt plate and a second U-bolt (sold separately) to secure one side of the axle to the leaf spring. The included nuts and washers make it a straightforward, direct replacement that locks everything down the way it should.
Whether it’s for a boat trailer or a snowmobile hauler, this U-bolt is made for tough duty and constant exposure. The galvanized finish and solid steel build mean you can count on it to stay tight and resist corrosion through wet launches, salty air, or long road trips. It’s simple, strong hardware that does its job every time.

Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.
Today we're going to be taking a look at the CE Smith Round U-bolt. This replacement round U-bolt is going to act as a part of a trailer suspension system. It can be used with another U-bolt and U-bolt plates to secure one side of your axle to a leaf spring. Just keep in mind that these can be used for a variety of other applications as well. It's going to be made from a steel construction. It's been galvanized, so it's going to do a great job at resisting rust and corrosion, making it great or ideal for use on boat trailers, or anything that deals with a lot of moisture. You're going to get one U-bolt, and you're going to get the mounting hardware, which is going to include two nuts and two lock-washers. The product is made right here in the USA. If we take a measurement of the length, measuring from the bottom of this portion here to the end of the threaded portion, that's going to give us a measurement of 5 3/8 of an inch. The bolt size on the unit is going to be a 1/2 inch by 13. The first number represents the diameter, the second number represents the thread pitch. The threaded portion that's going to give us a length measurement of about 2 inches. The inner width, measuring the opening, that's going to give a measurement of 2 3/8 of an inch. The distance that we have between the bolts, center on center, that's going to give a measurement of 2 7/8 of an inch. That's going to do it for today's look at the CE Smith Round U-bolt..
Customer Satisfaction Score:
97% were satisfied with this product
3% of customers were not satisfied
Ratings & Reviews

Alex K.
12/27/2021
After 1 year no rust on the U bolt
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Michael P.
6/26/2020
Smoothened ride out works great changed all hardware connections too