Leaf Spring Pair Replacement Leaf Spring Heavy Duty Leaf Spring For Sale - New and Used

2Pcs 4 Leaf Trailer Springs 1750lbs Per Spring 3500lbs Axle Replacement Leaf Spring Assembly with Nylon BushingsAbout the itemThis 4 leaf trailer springs pair solves loose suspension, insufficient load-bearing and bumpy driving issues for standard trailers. These heavy-duty 1750lbs trailer leaf springs perfectly match 3500lbs trailer axles, delivering stable load support and durable suspension performance for daily towing and hauling.Features

• Stable 1750lbs Single Spring Load Capacity: Each 4 leaf trailer spring supports up to 1750lbs load, perfectly compatible with 3500lbs trailer axle overall load demand, effectively bearing cargo weight and avoiding suspension overload deformation.
• Premium Wear-Resistant Nylon Bushings: Pre-installed 9/16 inch nylon bushings reduce metal friction during suspension stretching and shrinking, lower operating noise, prevent abrasion and extend the service life of trailer suspension parts.
• Precision Standard Dimension Matching: Adopts industry standard 25-1/4 inch eye-to-eye length, 3 inch free open and 1-3/4 inch leaf width, ensuring accurate installation and smooth suspension operation without modification.
• Reinforced 4-Leaf Structural Design: Thickened 4-leaf laminated structure enhances overall toughness and shock resistance, buffers road vibration during towing, improves trailer driving stability and reduces cargo jolting damage.
• Durable Heavy-Duty Steel Construction: Made of high-strength spring steel with fine polishing process, features excellent compression resistance and fatigue resistance, not easy to break or deform after long-term frequent towing use.
• Wide Compatibility Replacement: Fits multiple mainstream part number specifications, directly replaces old or damaged trailer leaf springs, realizing quick repair and restoring trailer suspension performance.
• Complete 2-Spring Full Set: Comes with 2 pieces of complete leaf springs, meeting one-time left and right suspension replacement needs, cost-effective and ready for direct SpecsProduct Type4 Leaf Trailer Leaf Spring (2 Pcs/Set)Single Spring Load Capacity1750lbsCompatible Axle3500lbs Standard Trailer AxleEye to Eye Length25-1/4 InchFree Open3 InchLeaf Width1-3/4 InchBushing Diameter9/16 Inch (Pre-installed Nylon Bushing)Leaf Quantity4 Leaves Per SpringMain MaterialHigh Strength Spring Steel + Nylon BushingReplacement Part NumberSW4B, 72-42, LIB-401-DE, UNA212, PR4B, 124903, 9150014, 93184Package Contents2 x 4 Leaf Trailer Springs (Pre-assembled with Nylon Bushings)Application ScenariosThese 4 leaf trailer springs are ideal for maintenance and replacement of 3500lbs axle standard trailers, utility trailers and light-duty towing trailers. It is suitable for daily cargo towing, outdoor transportation and long-distance hauling, effectively upgrading and restoring trailer suspension load-bearing and shock absorption performance.
  

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