LIBRA 3500lb Single Trailer Axle Suspension Kit Leaf Spring U-bolt & Hanger Kit
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Product details
| Management number | 237910903 | Release Date | 2026/07/11 | List Price | US$39.29 | Model Number | 237910903 | ||
|---|---|---|---|---|---|---|---|---|---|
| Category | |||||||||
<p>1,750lbs capacity per each spring, for standard 3,500lbs trailer axle,Eye to Eye length: 25-1/4 inch, Free open: 3 inch, width of leaf: 1-3/4 inch, 4 leaves, 9/16 inch bushing dia, nylon bushings installed. It will replace SW4B / 72-42 / LIB-401-DE / UNA212 / PR4B / 124903 / 9150014 / 93184 (different SKU# but same spring) . Include 3,500lbs axle U-bolt kit for 2-3/8" dia round trailer axles , Kit include: 4 x 5-1/2" long U bolts, U bolts dia. 1/2"; 2 x tie plates for 1-3/4" leaf springs; 8 x 1/2"-20 hex nuts . Include Complete single trailer axle hanger kit for 1-3/4" leaf springs, Kit include: 2 x 3" tall hangers, 2 x 2.1" tall hangers, 4 x shackle straps (eye to eye 3.09"), 6 x 9/16"-18 x 3" long shackle bolts and locknuts. LIBRA has been supplying US OEM trailer industry for over 16 years, reliable and quality parts trusted by major trailer & trailer axle manufacturers.</p><br>Please note: fitment guide is for reference only and does not guarantee the tire will fit your specific model. Please check your owner's manual to ensure proper fitment.
- 1,750lbs capacity per each spring, for standard 3,500lbs trailer axle; Eye to Eye length: 25-1/4 inch, Free open: 3 inch, width of leaf: 1-3/4 inch, 4 leaves, 9/16 inch bushing dia, nylon bushings installed;
- It will replace SW4B / 72-42 / LIB-401-DE / UNA212 / PR4B / 124903 / 9150014 / 93184 (different SKU# but same spring)
- Include 3,500lbs axle U-bolt kit for 2-3/8" dia round trailer axles , Kit include: 4 x 5-1/2" long U bolts, U bolts dia. 1/2"; 2 x tie plates for 1-3/4" leaf springs; 8 x 1/2"-20 hex nuts
- Include Complete single trailer axle hanger kit for 1-3/4" leaf springs, Kit include: 2 x 3" tall hangers, 2 x 2.1" tall hangers, 4 x shackle straps (eye to eye 3.09"), 6 x 9/16"-18 x 3" long shackle bolts and locknuts
| Vehicle model | SW4B |
|---|---|
| Vehicle fitment type | Specific |
| Brand | Libra Trailer Parts |
| Automotive specialty part type | Trailer Axles |
| Material | nylon |
| Weight | 30 lb |
| Has written warranty | No |
| Items included | U bolts, tie plates, hex nuts, hangers, shackle straps, shackle bolts, locknuts |
| Vehicle type | Trailer |
| Pack quantity | 1 |
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