Trailer Leaf Spring 4 Leaf Double Eye for SW4 72-25 LIB-402-DE UNA218 PR4

4-Leaf Double-Eye Trailer Leaf Spring

This is an aftermarket replacement trailer leaf spring with four leaves and double-eye ends. It is used in trailer suspension to support the axle load and allow controlled flex as the trailer moves over uneven ground. Reference numbers and model text are listed below for identification.

Product Details

• Reference Numbers: SW4 72-25, LIB-402-DE, UNA218, PR4
• Type: Leaf spring
• Leaf Count: 4
• End Style: Double eye

Fitment & Compatibility

• Model Reference Text: SW4 72-25
• Model Reference Text: LIB-402-DE
• Model Reference Text: UNA218
• Model Reference Text: PR4

Frequently Asked Questions

Q: How do I confirm this leaf spring fits my trailer? A: Compare the reference numbers and the complete trailer or axle model with the numbers shown here, and check that the leaf count, eye configuration, and dimensions match your existing spring.

Q: What does double eye mean on a leaf spring? A: Both ends of the spring form an eye for mounting, as opposed to a slipper or flat end.

This is an aftermarket replacement part. Confirm fitment before purchase.