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M-Parts 2 Pairs of SW4B Trailer Spring – 25-1/4″ Double Eye 4-Leaf Spring 1-3/4″ Wide for 3,500 lbs (3.5K) Trailers (1750 lb Capacity Per Spring)

Amazon.com Price: $114.95 (as of 29/05/2024 00:56 PST- Details)

Make sure this fits by entering your model number.
Length from center of spring eye to center of spring eye: 25-1/4″
Spring width: 1-3/4″, Eye diameter with bushing: 9/16″

Double-eye leaf springs are the a part of a trailer’s suspension system whose job it’s to offer an attachment point for a 3,500-lb axle. Impressive strength at this leaf count. It has a nice curve to it that may be perfect when it flexes to withstand shock and ensures a smooth ride. Includes ultra sleek black bushings with 9/16″ inner diameter. Specs: Spring capacity: 1,750 lbs Axle capacity: 3,500 lbs Length from center of spring eye to center of spring eye: 25-1/4″ Spring width: 1-3/4″ Eye diameter with bushing: 9/16″ Eye diameter without bushing: 11/16″ Leaf Thickness 5/16″ Collection of leaves: 4 Notes: To make sure proper axle alignment and suspension performance, leaf springs must at all times be replaced in pairs. Spring attaches to hanger mounted on trailer frame at one end. Other end connects to shackle straps suspended from hanger or equalizer Hangers or hanger kit are sold one by one and are required for installation UNA212, UNA-212, SW4B, PR4B, LIB-401-DE, 93184, 9150014, 72-42, 72-042, 4 LEAF, 3500, 25-1/8, 124903

Make sure this fits by entering your model number.
Length from center of spring eye to center of spring eye: 25-1/4″
Spring width: 1-3/4″, Eye diameter with bushing: 9/16″
Leaf Thickness 5/16″, Collection of leaves: 4
Equivalent to UNA212, UNA-212, SW4B, PR4B, LIB-401-DE, 93184, 9150014, 72-42, 72-042, 4 LEAF, 3500, 25-1/8, 124903

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