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When your axle doesn’t sit square or shifts under load, it can throw the whole suspension out of line. This spring seat welds onto a 3" diameter round axle—typical for 5,200-lb to 7,200-lb setups—to give the leaf spring a solid, repeatable mounting point. The cutout on the flat side locks around the raised knob on the spring to keep it from twisting or sliding, so the axle stays planted and tracks true.
Getting the right match between the axle and spring width makes a big difference in how your trailer rides. This seat is built to work with standard 1-3/4" or 2" wide leaf springs, giving you the flexibility to line everything up the way it should be whether you’re setting up a new axle or replacing worn perches.
When you’re running heavier gear or covering long miles, the spring seat has to take the stress without deforming. This TruRyde seat is made to handle the demands of axles in the 5,200- to 7,200-lb range and measures 4" long by 1-7/8" wide. The centered 1/2" bolt hole keeps the alignment reliable, and the radius fits the axle perfectly for a clean weld and strong hold.
Each axle needs two spring seats—one for each side—to keep the leaf springs square and balanced. Weld them in place, bolt up your U-bolt kit, and you’ve got a solid foundation ready for thousands of miles of steady towing.

Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.
Customer Satisfaction Score:
99% were satisfied with this product
1% of customers were not satisfied
Ratings & Reviews

Chris P.
7/9/2017
So far so good

Roger T.
9/10/2017
everything working as it should, good product!

Lloyd
9/22/2015
Great. Does the job with no problems.
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James K.
7/29/2021
Works as expected, Im happy with the product and results- would purchase again if I have a trailer in the future that needs a lift.