{"product_id":"4-leaf-2500lb-double-eye-spring-for-5000lb-trailer-axle-durable-fit","title":"4 Leaf 2500lb Double Eye Spring for 5000lb Trailer Axle - Durable Fit","description":"\u003cp\u003eOur review of the 4 Leaf 2500lb Double Eye Spring focuses on trailer owners who need a straightforward, cost-effective replacement for SW4-style axles. The bottom line: this two-piece spring kit offers correct sizing and a robust capacity for a 5000 lb trailer, making it a practical choice for routine trailer maintenance and axle rebuilds. It stands out for its clear specifications like 25-1\/4' eye-to-eye length and 2500 lb capacity per spring, and it delivers reliable ride support when fitment and installation are handled carefully.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e2500 lb capacity per spring:\u003c\/strong\u003e Provides the rated load support needed for a 5000 lb trailer when used as a matched pair, giving predictable suspension response under load.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecise eye-to-eye length:\u003c\/strong\u003e The 25-1\/4' measurement helps ensure the springs match trailer hangers and mounting points for a proper fit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFour-leaf construction:\u003c\/strong\u003e The 4 leaves with 3\/8' thickness balance load capacity and ride compliance for common trailer applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAnti-rust coating:\u003c\/strong\u003e A corrosion-resistant finish extends service life in wet or salty environments and reduces surface deterioration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncluded bushings:\u003c\/strong\u003e 9\/16' eye diameter with bushing simplifies installation and reduces wear at the mounting points.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis kit is aimed at DIY trailer owners, small-fleet operators, and repair shops replacing worn or damaged SW4-style springs on tandems or single axles rated up to 5000 lb. The clear dimensions and capacity make it suitable when the original spring spec matches these numbers and when customers want a direct, economical swap.\u003c\/p\u003e\n\u003cp\u003eThose who should look elsewhere include owners of trailers with nonstandard spring geometry, users needing leaf springs with different ride characteristics, or anyone requiring a premium symmetrical build; a few customers noted minor fit and alignment variability that could matter for precision restorations.\u003c\/p\u003e\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 for money with confirmed \u003cstrong\u003efit\u003c\/strong\u003e and functionality for many users.\u003c\/li\u003e\n\u003cli\u003eDurable materials and an \u003cstrong\u003eanti-rust coating\u003c\/strong\u003e improve longevity in exposed conditions.\u003c\/li\u003e\n\u003cli\u003eEasy to install in typical trailer setups when hardware and alignment are correct.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSome buyers reported inconsistent \u003cstrong\u003ebuild quality\u003c\/strong\u003e and minor asymmetry between leaves on different springs.\u003c\/li\u003e\n\u003cli\u003eInstallation can be compromised if other hardware such as u-bolts is worn or strips out, so complementary parts may need replacement.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eReplaces Part Number\u003c\/td\u003e\n\u003ctd\u003eReplaces SW4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIncludes\u003c\/td\u003e\n\u003ctd\u003e2 x 4-leaf double eye springs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCapacity per Spring\u003c\/td\u003e\n\u003ctd\u003e2500 lb (5000 lb combined)\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\u003c\/td\u003e\n\u003ctd\u003e1-3\/4 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEye Diameter with Bushing\u003c\/td\u003e\n\u003ctd\u003e9\/16 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe 4 Leaf 2500lb Double Eye Spring is a pragmatic replacement for trailers needing SW4-style springs, offering the correct capacity and clear dimensions at a reasonable price. It represents good value for most routine trailer repairs, though buyers should inspect mounting hardware and be prepared for occasional fitment adjustment if parts show wear.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWill these springs fit my trailer hangers?\u003c\/strong\u003e\u003cbr\u003eCheck that your existing eye-to-eye length is 25-1\/4' and that the 9\/16' bushing diameter and 1-3\/4' leaf width match your hangers for compatible fit.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAre these springs sold as a pair?\u003c\/strong\u003e\u003cbr\u003eYes, the kit includes 2 x 4-leaf double eye springs, providing the pair needed for a single axle rated to 5000 lb when both springs are installed.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eShould I replace u-bolts when installing?\u003c\/strong\u003e\u003cbr\u003eIt is recommended to inspect and often replace u-bolts and related hardware, since several users reported issues when old or damaged fasteners were reused.\u003c\/p\u003e","brand":"AEagle","offers":[{"title":"Default Title","offer_id":48608834355419,"sku":"B0C1Z2Q7PB","price":69.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/61nqtATsyzL._AC_SL1500.jpg?v=1778586920","url":"https:\/\/gearmusthave.com\/products\/4-leaf-2500lb-double-eye-spring-for-5000lb-trailer-axle-durable-fit","provider":"GearMustHave","version":"1.0","type":"link"}