Can Radius or Flat Springs Be Used to Replace Hook Springs

Question

Question:

Can I replace my hook down slipper springs with radius or flat slipper springs?

asked by: Drew L

0

Expert Reply:

Unfortunately no, Drew. You could use flat springs to replace radius springs, but since the brackets are different you wouldn't be able to use radius or flat springs to replace your hook springs.

expert reply by: Bryce D

0

Jenny N.

2/17/2026

Hey Drew, did you end up finding a good replacement option for your hook down slipper springs? Knowing what worked could help others trying to match their trailer suspension setup.

Answer 1

Hey Derek, thanks for getting us the length of your springs. When picking out a replacement leaf spring you want to go with one that is slightly shorter in length than what you have now without the weight of the trailer on it. So based on that the…

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Answer 2

Using a grease gun on the zerk fitting of an E-Z Lube spindle like #TRU74FR can make it all too easy to over-fill the hub grease level. Care should be taken to avoid the risk of blowing out the inside grease seal. For such applications a double-lip…

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Answer 3

Hello Sean, thanks for reaching out. You would want to go with something longer than 24-5/8" if that is the distance between our hangers. The 24-5/8" measurement for the leaf spring is from the center eye to the tip of the leaf. So this…

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Answer 4

A spring like the #e69SR you looked at may work if you have a 2,000 lb axle but you will need to know your axle capacity to be sure. The diameter of a square axle can't be used to determine capacity so I would look for an axle tag or check with…

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Answer 5

The closest thing we have to those dimensions is the 3-Leaf Slipper Spring w/ Radius End for 2,000-lb Trailer Axles #SP-179275. This measures 24-5/8" from the center of the eye to the end of the hook. Over time leaf springs can flatten out so…

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Answer 6

You can use leaf springs that are rated higher than the axle without any issues as long as they measure the correct measurement for your trailer. For example the 6-leaf double eye spring for 7,000 lb axles part #e64SR measures 24-7/8" eye to…

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Answer 7

Since trailer leaf springs tend to stretch over time the key to picking out the correct replacement is to go with one slightly shorter than what your current one measures. So a 26 inch long spring would most likely be what you need. For a 2,000 lb…

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Answer 8

To determine the size of the hub assembly you need to purchase you have to determine which bearings are in the old assembly. If the old assembly has L44649 inner bearings, you would use the hub you chose #8-258-5UC1. If the inner bearings are marked…

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Answer 9

In order to determine the torque rating for the lug nuts on your trailer you will need to know check out the chart I attached that shows all of the torque specs for all the trailer lugs available based on stud size, wheel material and wheel size.

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Answer 10

Hi Paul, you’re definitely on the right track here, and I can help you narrow this down with confidence. With your tandem 3,500 lb Dexter axles and 33 inch spacing, both the Dexter EZ Flex part #K71-652-00 and the Lippert Road Armor part #LC53CK are…

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Answer 11

The difference between the Class II and Class III hitches has to do with their Gross Trailer Weight (GTW), their Tongue Weight (TW), and their Hitch Receiver Size. Class II trailer hitch receivers have a 1-1/4 inch receiver and can be rated up to…

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Answer 12

According to Blue Ox, it'll take an experienced installer about 4 to 5 hours to complete the installation of their #BX1128 Base Plate Kit on a 2016 Jeep Grand Cherokee. The install isn't what I'd call super-difficult, but the installation…

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Can Radius or Flat Springs Be Used to Replace Hook Springs

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