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A loose axle can ruin a smooth tow. This U-bolt plate locks your 1-3/4" diameter axle to a 1-3/4" wide leaf spring for a firm, steady setup. Made from galvanized steel, it’s built to handle a 2,000-lb capacity with strength you can trust on rough roads or when hauling heavy gear.
Boat and snowmobile trailers see plenty of water, and corrosion can take a toll fast. This plate’s galvanized coating—3 to 5 mils thick—protects every surface from rust and pitting. Even after years of dunking or winter road spray, the zinc layer keeps the steel solid and ready for more miles.
Getting the right alignment matters for suspension hardware. This plate measures 3-1/2" long by 3-1/2" wide, with 2-1/4" between hole centers. The 7/16" center hole and 3/8" edge holes are precisely spaced for clean installs using (2) 3/8" diameter U-bolts, sold separately, so everything stays tight and square.
When you’re replacing your old plate, refreshing the U-bolts is a smart move too. This part pairs perfectly with CE Smith #CE15285GA U-bolts so your axle and spring are clamped firmly. Four U-bolts will complete one axle, giving you a solid, balanced connection that stays put mile after mile.
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 U-Bolt Plate for trailer suspension systems. The U-Bolt Plate is going to help secure a 1 3/4 inch diameter axle to a 1 3/4 inch wide leaf spring. This does require two 3/8 inch diameter U-Bolts, the U-Bolts are sold separately. If you're in need of those, you can find them here at etrailer.com. The four outer holes on this unit are designed to accept a 3/8 inch diameter bolt. The unit's made from galvanized steel so it's very strong and durable.
As well as corrosion resistant so this would be great for use on both trailers or any application that's exposed to moisture. The product is made in the USA. We're going to take a look at some of the overall dimensions real quick. Measuring from edge to edge going this direction. It's going to measure 3 1/2 inches. These holes are going to be separated on center by 2 1/4.
Measuring this direction, outer edge to outer edge. We're looking at 3 1/2 inches, and then again these holes are going to be separated by 2 1/4 of an inch. That's going to do it for today's look at the U-Bolt Plate from CE Smith.
Ratings & Reviews
Heather A.
4/11/2026
Thank you for the kind words! Your setup looks great. What kind of trailer are you building?
Joel
3/16/2025
Still working just fine.
Kate F.
3/17/2025
Gregory
7/14/2022
Still working good. I would buy again.
Info for this part was:
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Brad G.
8/16/2021
Great!