Specification Brand : SEHNSUCHT BulletPoint1 : About The Springs: Each spring offer 1,750lbs capacity, suit 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, 2 Bushings Installed for Each Spring, Leaf Thickness 5/16. BulletPoint2 : About The Replacement and Material: It will replace for SW4B. The Leaf Springs Made of Heavy Duty Carbon Steel for transmission stability and friction damping; Extra added anti-rust coating for corrosion resistance and long-lasting performance. BulletPoint3 : About the axle U-bolt kit: This kit include 4 x 5-1/2" long U bolts, U-bolt thread diameter is 1/2",the curvature (inside diameter) of the U-bolt is 2 4/9"; 2 x tie plates for 1-3/4" leaf springs; 8 x 1/2"-20 hex nuts. And this kit used for 2-3/8" dia round trailer axles. BulletPoint4 : About the trailer axle hanger kit: This 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. And this kit used for 1-3/4" leaf springs BulletPoint5 : After-sales service: Any questions after receiving, please contact us freely. Thanks for choosing us! BulletPoint6 : 【100% GUARANTEE】: The quality of our tender spring kit is guaranteed. If you encounter any problems after receiving it, you can consult us at any time. If you are not satisfied with the product, you can also return it for no reason. Color : Spring ExternallyAssignedProductIdentifier1 : 0842995133321 ExternallyAssignedProductIdentifier2 : 842995133321 FitType : Universal IncludedComponents1 : 20" Single Tender Spring *2 IncludedComponents2 : Hanger Bracket IncludedComponents3 : 3-Hole Clamp Holder IsAssemblyRequired : 1 ItemName : 2 Pieces of Replacement for SW4B 4 Leaf Trailer Spring, 3500lb Single Trailer Axle Suspension Kit with 1750lb Capacity Double Eyes Leaf Springs, U-Bolt and Hanger Kit ItemPackageDimensions_Height : 72.136 centimeters ItemPackageDimensions_Length : 11.684 centimeters ItemPackageDimensions_Width : 30.48 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : trailer-springs Manufacturer : SEHNSUCHT ModelNumber : 8542120945 NumberOfBoxes : 1 NumberOfItems : 1 OemEquivalentPartNumber1 : 072-42 OemEquivalentPartNumber2 : SW4B PartNumber : LS0004 ProductDescription : Trailer leaf springs made of high quality iron provide high quality elasticity and maximum shock absorption for the truck. SIZE: 1750 lb Capacity Per Spring for 3,500 lbs Trailers 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 2 Bushings Installed for Each Spring Leaf Thickness 5/16 Replace:replace for SW4B U-Bolt Kit include: 5-1/2" long U bolts, U bolts dia. 1/2"; tie plates for 1-3/4" leaf springs; 1/2"-20 hex nuts. Axle hanger kit include: 3" tall hangers 2.1" tall hangers shackle straps (eye to eye 3.09") 9/16"-18 x 3" long shackle bolts and locknuts Package: 2* Trailer Leaf Spring, 1*U-Bolt kit, 1*Axle hanger kit. ProductSiteLaunchDate : 2023-03-01T08:19:12.342Z Size : for 3500lb+U-Bolt+Hanger Kit SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1 UnspscCode : 25170000