{"product_id":"ozisens-trailer-axle-equalizer-shackle-kit-256l-for-3500-5200-lb-axles-black-oxidized-complete-hardware","title":"OZISENS Trailer Axle Equalizer \u0026 Shackle Kit 256L for 3500–5200 lb Axles — Black Oxidized, Complete Hardware","description":"\u003cp\u003e\u003cstrong\u003eOZISENS Trailer Axle Equalizer 256L Shackle Kit is a complete replacement set engineered to restore smooth tandem-axle suspension function for 3,500–5,200 lb trailer axles.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis all-in-one kit supplies the equalizers, shackle straps, bolts, self-locking nuts and nylon bushings needed to repair or upgrade double-eye spring tandem suspensions. Parts are black-oxidized and painted for corrosion resistance and built to resist wear and deformation under normal towing loads. The set includes measurement details so you can verify fitment before ordering.\u003c\/p\u003e\n\n\u003ch3\u003eHow do I know this kit fits my trailer axle?\u003c\/h3\u003e\n\u003cp\u003eConfirm compatibility by comparing your trailer’s axle rating and the physical dimensions of the supplied parts. The kit suits trailer axles rated between 3,500 and 5,200 pounds and is designed for double-eye leaf spring tandem setups.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFits axle load range: 3,500–5,200 lb\u003c\/li\u003e\n  \u003cli\u003eEqualizer length: 7-3\/4 inches (2 pieces)\u003c\/li\u003e\n  \u003cli\u003eShackle strap length: 4.4 inches with 2-9\/16 inch hole spacing (8 pieces)\u003c\/li\u003e\n  \u003cli\u003eConfirm your spring and hanger dimensions match before purchase\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat components are included and why does that matter?\u003c\/h3\u003e\n\u003cp\u003eThe kit contains every fastener and bushing needed for a full swap, so you don’t need to hunt for matching hardware. Having matched parts reduces installation time and avoids mismatched bushings that can accelerate wear.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e2 equalizers (EQ-E1) for tandem axle balance\u003c\/li\u003e\n  \u003cli\u003e8 shackle straps for both springs on two axles\u003c\/li\u003e\n  \u003cli\u003e14 bolts with 14 self-locking nuts for secure assembly\u003c\/li\u003e\n  \u003cli\u003e14 nylon bushings (9\/16\" I.D., 11\/16\" O.D.) to dampen metal-to-metal contact\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat materials and finish are used, and how durable are they?\u003c\/h3\u003e\n\u003cp\u003eParts are made from high-strength steel, black-oxidized and painted to resist rust and surface wear. The combination of sturdy metal and nylon bushings helps maintain alignment and reduces noise while towing.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHigh-quality steel construction resists bending under rated loads\u003c\/li\u003e\n  \u003cli\u003eBlack oxidized and painted surface for corrosion resistance\u003c\/li\u003e\n  \u003cli\u003eNylon bushings reduce friction and extend component life\u003c\/li\u003e\n  \u003cli\u003eSelf-locking nuts help prevent loosening under vibration\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I install the kit and what should I prepare?\u003c\/h3\u003e\n\u003cp\u003eInstallation requires basic mechanical skills, common hand tools, and torqueing to manufacturer specs. Remove the worn equalizers and shackles, fit new nylon bushings and hardware, then torque bolts to secure the assembly and check for correct axle alignment.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eTools: wrenches, sockets, torque wrench, jack and jack stands\u003c\/li\u003e\n  \u003cli\u003eReplace worn hangers or spring eyes if damaged\u003c\/li\u003e\n  \u003cli\u003eApply anti-seize or appropriate lubricant per installer guidance\u003c\/li\u003e\n  \u003cli\u003eInspect after first 100 miles and re-torque hardware if necessary\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The OZISENS 256L Shackle Kit is aimed at trailer owners, fleet managers, and DIY mechanics who need a complete, reliable replacement for tandem-axle double-eye spring suspensions rated 3,500–5,200 lb. It’s ideal if you want matched hardware and bushings in one package to reduce installation time and ensure parts compatibility. If your trailer’s spring eyes, hangers, and axle rating match the kit dimensions, this set provides the components required to restore proper equalizer function and improve towing stability.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does this kit include all fasteners and bushings?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — it includes 14 bolts, 14 self-locking nuts, and 14 nylon bushings for a full installation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I use this on a single-axle trailer?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: This kit is designed for tandem axle double-eye spring suspensions; single-axle use isn't recommended without checking fitment.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"OZISENS","offers":[{"title":"Default Title","offer_id":48080990142622,"sku":"B0FHW5M3N3","price":73.98,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/ozisens-equalizer-front-view.jpg?v=1785794056","url":"https:\/\/northtrailauto.ca\/products\/ozisens-trailer-axle-equalizer-shackle-kit-256l-for-3500-5200-lb-axles-black-oxidized-complete-hardware","provider":"North Trail Auto","version":"1.0","type":"link"}