How Do I Measure Leaf Springs in Order to Determine What Replacement I Need?

Published 05/24/2022

Question:

How are trailer leaf springs measured? Straight across from end to end or along the curve of the springs? Thank you.

asked by: Stan

Expert Reply:

When it comes to leaf springs, there are different ways to measure the springs whether you have double-eye springs or slipper springs.

If you have double-eye springs like the # SP-051275, here is how you measure them:

- length of center eye to center eye
- length of center eye to the center of the spring

If you have slipper springs like the # SP-232275, here is how you measure those:

- length of center eye to end of spring slipper
- length of center eye to highest slipper point

I went ahead and attached two different helpful articles that outline the measurements needed in more detail. I highly recommend checking out those attached links. Additionally, I attached screenshots of slipper spring and double-eye spring measurements. After you determine what measurements you need, feel free to respond to us and I can assist you in finding the right replacement.