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When you’re clamping down a 5,200-lb, 6,000-lb, or 7,000-lb axle, you need a U-bolt that won’t flex or corrode. This CE Smith replacement U-bolt is built from 1/2"-13 galvanized steel for lasting strength and rust resistance. At 6-11/16" long and 3-1/16" wide, it fits a 3" round axle and delivers the secure hold your suspension depends on.
Saltwater, rain, and road grime can eat through plain metal fast. The galvanized finish on this U-bolt is hot-dipped in zinc with a coating roughly 3 to 5 mil thick, creating a tough barrier that keeps rust at bay season after season. It’s ideal for boat and snowmobile trailers that see wet or rough conditions.
Getting the right fit matters for keeping everything aligned. This U-bolt’s round shape matches 3" round axles perfectly, holding them tight against the leaf springs when used with a U-bolt plate and a second U-bolt. The precise 3-1/16" inner width and 1/2"-13 thread ensure it tightens evenly and stays put under load.
No need to hunt down extra hardware. The U-bolt comes with matching nuts and washers, so you can mount your axle hardware right out of the box. It’s a straightforward replacement that restores secure suspension clamping and gets you back on the road with confidence.
Customer Satisfaction Score:
93% were satisfied with this product
7% of customers were not satisfied
Ratings & Reviews
fit perfect.
Springs were an exact fit and delivery was fast
Package arrived three days sooner than expected. No damage to the parts and they fit perfectly.
fit very good
fit perfect
product shipped promptly and arrived in great condition. U-bolts fit perfectly.
One year in and still holding strong.
Great customer service. First time user but definitely not the last
great quality super shipping and service
Good quality - great for a replacement part to stock in your trailer.
Perfect fit and easy installation. Good quality bolts.
THANKS ETRILER MY INSTALLATION CAME OUT PERFECT WITH THE GALVANIZED 1/2" U BOLTS
Great replacement for an upgrade
Greg
8/20/2023
After a year of use, they are still working good!
Mike L.
9/13/2023
I've always had a good result with your parts
Gwendolyn Y.
3/7/2025
Happy to hear that we got what you need when you need it, Bob!
Still working great! Definitely 2000% better than what was on there. :)
I called for assistance with ordering replacement leaf springs and shacklebolts for my trailer. Not being a mechanic I wasn't sure what to order. The wait for someone to take my call was a minute or two. Eli answered all my questions and guided me through which parts to order. He was extremely helpful and took my order over the phone. The parts fit perfectly but I determined that I needed to replace the u-bolts as well. So I called again and had the same experience with Naomi. My trailer is back together and ready for the road. But first I am having the brakes and wheel bearings serviced. I'll have the service technician check my work to be on the safe side. I highly recommend etrailer and suggest you call them to help order your parts.
Seems like a solid, well built piece. Time will tell after a few years of MA winter road salt & potholes. Fit a bit loose on a 3" axle, but once the nuts are tight there's no movement of course. At least the galvy will give it a fighting chance in the salt.
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Greg
8/26/2024
After a years use the u-bolts are holding up well and not showing any signs of wear, the nuts are staying tight. Overall I am very satisfied.