🔩 TruRyde SW4B Double Eye Trailer Leaf Spring | 4-Leaf | 1,750 lb Capacity The TruRyde SW4B is a brand-name, drop-in direct replacement for Dexter 072-042-00 on 3,500 lb single-axle trailers — built to the same dimensions and load rating. Ideal for springs that are sagging, riding rough, or broken. Sold individually (order two per single axle, four for tandem). 📐 Specifications ✅ Brand: TruRyde ✅ Style: Double Eye (eye & eye mount) ✅ Number of Leaves: 4 ✅ Capacity: 1,750 lb per spring (fits 3,500 lb axle) ✅ Free Length (eye-to-eye): 25-1/4" (25.25") ✅ Loaded Length: 26" ✅ Width: 1-3/4" (1.75") ✅ Eye / Bushing I.D.: 9/16" — nylon bushings pre-installed ✅ Material: Heat-treated alloy steel 🔄 Direct Replacement For / Cross-References Direct replacement for Dexter 072-042-00. Also cross-references: SW4B, UNA-212, UNA-108, DE-7242, PR4B, 93184, 124903. 🔧 Fitment & Install Fits virtually all 3,500 lb single-axle utility, boat, and cargo trailers using the 25-1/4" double-eye spring. Verify free length (25-1/4"), width (1-3/4"), and eye diameter (9/16") before ordering — these three measurements confirm fitment. Attaches to the axle tube with U-bolts and tie plates (sold separately); mounts to the frame with hangers and shackles (sold separately). Replace springs in pairs for even ride height and alignment. 📞 Call/Text: 517-225-1991 🌐 AAATrailer.com
