{"product_id":"aeagle-4-leaf-1750lb-double-eye-trailer-spring-kit-reliable-load","title":"AEagle 4 Leaf 1750lb Double Eye Trailer Spring Kit - Reliable Load","description":"\u003cp\u003eIn this review the AEagle 4 Leaf 1750lb capacity double eye spring kit is assessed for small trailers and DIY axle repairs. The bottom line: this pair of 1750 lb springs is best for owners who need a straightforward, economical replacement to restore a 3,500 lb trailer suspension, with the biggest reason to buy being clear: the kit provides matched eye-to-eye length and load capacity to replace worn springs quickly and get a trailer back on the road.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1750 lb capacity per spring:\u003c\/strong\u003e Each spring is rated for 1750 lb so the pair supports the common 3,500 lb trailer application without overspecifying components.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExact eye-to-eye fit:\u003c\/strong\u003e The 25-1\/4' eye-to-eye length and double eye design make these springs a direct, hassle-free swap for units listed as the equivalent part number.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComplete bushing setup:\u003c\/strong\u003e Two 9\/16' bushings are installed per spring so pivot points are ready to bolt in and reduce immediate hardware needs for basic installs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAnti-rust coating:\u003c\/strong\u003e The protective finish improves corrosion resistance for longer service life in exterior trailer use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRobust construction:\u003c\/strong\u003e Four leaves with 5\/16' thickness and 1-3\/4' width provide the stiffness and durability expected for trailers up to 3,500 lb.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBacked by warranty:\u003c\/strong\u003e A 12-month warranty and pre-shipment testing offer added confidence for first-time buyers and fleet owners.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis kit is aimed at trailers and users who need to replace a pair of worn or damaged springs on a 3,500 lb axle setup, including small utility trailers, campers, and work trailers. It fits owners comfortable with hands-on installation or basic chassis work and those who need parts that match a commonly used spec and eye-to-eye length.\u003c\/p\u003e\n\u003cp\u003eOwners who require perfectly symmetrical, premium-finished components or a kit that includes every possible mounting hardware piece should look elsewhere or plan to procure additional U-bolts and shackles; some customers reported missing or mismatched installation hardware during their installs.\u003c\/p\u003e\n\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eGood value: capacity and dimensions match common 3,500 lb trailer needs at a reasonable price.\u003c\/li\u003e\n\u003cli\u003eReady bushings: two 9\/16' bushings installed per spring speed up reassembly and reduce immediate extra purchases.\u003c\/li\u003e\n\u003cli\u003eCorrosion resistance: anti-rust coating helps the springs last longer in exterior conditions.\u003c\/li\u003e\n\u003cli\u003eClear specifications: precise eye-to-eye length and leaf dimensions simplify part selection.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHardware gaps: some customers report missing or stripped mounting hardware, so buyers may need to supply or double-check U-bolts and shackle parts.\u003c\/li\u003e\n\u003cli\u003eBuild consistency: a few users noted minor asymmetry between the two springs, which may require attention during installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eReplaces Part Number\u003c\/td\u003e\n\u003ctd\u003eSW4B equivalent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQuantity\u003c\/td\u003e\n\u003ctd\u003e2 springs per kit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCapacity per spring\u003c\/td\u003e\n\u003ctd\u003e1750 lb (pair supports 3,500 lb)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEye-to-eye length\u003c\/td\u003e\n\u003ctd\u003e25-1\/4 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFree open\u003c\/td\u003e\n\u003ctd\u003e3 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLeaf width \/ thickness\u003c\/td\u003e\n\u003ctd\u003e1-3\/4 in wide, 5\/16 in thick (4 leaves)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBushing diameter\u003c\/td\u003e\n\u003ctd\u003e9\/16 in (2 installed per spring)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe AEagle 4 Leaf 1750 lb double eye spring kit is a practical replacement for most 3,500 lb trailer axles, offering correct dimensions, installed bushings, and corrosion protection at a sensible price. It is good value for owners who can supply or verify mounting hardware during installation and who want a straightforward way to restore trailer suspension capacity.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWill this fit my 3,500 lb trailer?\u003c\/strong\u003e\u003cbr\u003eYes, the kit is rated at 1750 lb per spring and is intended as a matched pair to support a 3,500 lb trailer when dimensions match your existing springs.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAre bushings included?\u003c\/strong\u003e\u003cbr\u003eYes, two 9\/16' bushings are installed in each spring so pivot points are ready for installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the kit include U-bolts and shackles?\u003c\/strong\u003e\u003cbr\u003eThe listing specifies springs and installed bushings; some customers reported missing hardware, so confirm or provide your own U-bolts and shackles for a complete installation.\u003c\/p\u003e","brand":"AEagle","offers":[{"title":"Default Title","offer_id":48246306177243,"sku":"B0C1Z33NR5","price":60.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/51uxilL_aQL._AC_SL1500.jpg?v=1770961571","url":"https:\/\/gearmusthave.com\/products\/aeagle-4-leaf-1750lb-double-eye-trailer-spring-kit-reliable-load","provider":"GearMustHave","version":"1.0","type":"link"}