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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)
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*Packaging of actual item may differ from photo shown
- Electrical items MAY be 110 volts.
- 7 Day Return Policy
- All products are genuine and original
M-Parts 2 Pairs of SW4B Trailer Spring Features
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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)
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Length from center of spring eye to center of spring eye: 25-1/4"
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Spring width: 1-3/4", Eye diameter with bushing: 9/16"
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Leaf Thickness 5/16", Number of leaves: 4
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Equivalent to UNA212, UNA-212, SW4B, PR4B, LIB-401-DE, 93184, 9150014, 72-42, 72-042, 4 LEAF, 3500, 25-1/8, 124903
About M-Parts 2 Pairs Of SW4B Trailer Spring
Double-eye leaf springs are the part of a trailer's suspension system whose job it is to provide an attachment point for a 3,500-lb axle. Impressive strength at this leaf count. It has a nice curve to it that is perfect when it flexes to resist 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" Number of leaves: 4 Notes: To ensure proper axle alignment and suspension performance, leaf springs should always 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 separately 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
