{"product_id":"sparkwhiz-trailer-leaf-spring-hanger-kit-for-1-3-4-double-eye-springs-single-axle-corrosion-resist","title":"SPARKWHIZ Trailer Leaf Spring Hanger Kit for 1-3\/4\" Double-Eye Springs — Single-Axle, Corrosion-Resist","description":"\u003cp\u003e\u003cstrong\u003eSPARKWHIZ Trailer Leaf Spring Hanger Kit securely mounts 1-3\/4\" double-eye springs to single axles rated 2,000–7,000 lb, built for 3,500 lb single-axle trailers.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis complete hanger and shackle set provides the hardware you need to replace worn mounts or upgrade a trailer suspension. The kit includes two low hangers, two taller hangers, four shackle straps sized for 3.09\" eye-to-eye springs, and six heavy-duty 9\/16\"-18 shackle bolts with locknuts. Parts are made from corrosion-resistant materials for reliable outdoor performance and long service life.\u003c\/p\u003e\n\n\u003ch3\u003eWhat components are included and how do they fit my trailer?\u003c\/h3\u003e\n\u003cp\u003eThe kit contains four hangers (two 2.1\" tall and two 3\" tall) so you can configure front and rear mounting positions, plus four shackle straps and six shackle bolts with locknuts. It’s designed around 1-3\/4\" wide double-eye leaf springs and common single-axle setups.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eTwo 2.1\" hangers and two 3\" hangers for varied ride height needs.\u003c\/li\u003e\n  \u003cli\u003eFour shackle straps, eye-to-eye length 3.09\" for double-eye springs.\u003c\/li\u003e\n  \u003cli\u003eSix 9\/16\"-18 x 3\" bolts with locknuts for secure fastening.\u003c\/li\u003e\n  \u003cli\u003eCompatible with axles rated 2,000–7,000 lb, ideal for 3,500 lb single axles.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow durable is the kit for outdoor and marine conditions?\u003c\/h3\u003e\n\u003cp\u003eEach piece is manufactured from corrosion-resistant materials and finished to withstand road salt, mud, and weather exposure. The hardware and straps resist rust and abrasion, reducing maintenance and extending service life when mounted under the trailer.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCorrosion-resistant metal construction prevents premature rust.\u003c\/li\u003e\n  \u003cli\u003eLocknuts help maintain tension and resist loosening from vibration.\u003c\/li\u003e\n  \u003cli\u003eRugged shackle straps built for repeated suspension movement.\u003c\/li\u003e\n  \u003cli\u003eSuitable for regular towing and trailer storage outdoors.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this kit match my spring and axle specification?\u003c\/h3\u003e\n\u003cp\u003eThe kit is purpose-built for double-eye leaf springs that are 1-3\/4\" wide and for axles within the 2,000–7,000 lb range. If your spring width or axle rating falls inside these measurements, the hangers and shackles will be compatible without modification.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDesigned around 1-3\/4\" wide double-eye springs.\u003c\/li\u003e\n  \u003cli\u003eFormulated for single-axle systems from 2,000 to 7,000 lb.\u003c\/li\u003e\n  \u003cli\u003eIdeal for 3,500 lb single-axle trailer applications.\u003c\/li\u003e\n  \u003cli\u003eMeasure your spring eye and axle rating before ordering to ensure fit.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow straightforward is the installation for a DIYer?\u003c\/h3\u003e\n\u003cp\u003eInstallation is straightforward for anyone familiar with basic trailer suspension work and common tools. The package includes all shackle bolts and locknuts, so you won’t need to source specialty hardware; basic drilling, alignment, and torqueing are the primary tasks.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eIncludes all necessary shackle bolts and locknuts for assembly.\u003c\/li\u003e\n  \u003cli\u003eHangers available in two heights for easier alignment with existing mounts.\u003c\/li\u003e\n  \u003cli\u003eRequires standard hand tools, torque wrench recommended for safety.\u003c\/li\u003e\n  \u003cli\u003eProfessional help advised if you’re unfamiliar with axle\/suspension procedures.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho this is for: This SPARKWHIZ Trailer Leaf Spring Hanger Kit suits trailer owners, repair shops, and DIY mechanics replacing or upgrading leaf spring mounts on single-axle trailers. It’s best for trailers using 1-3\/4\" double-eye springs and axles rated between 2,000 and 7,000 lb — particularly common 3,500 lb single-axle setups — and for anyone wanting a corrosion-resistant, ready-to-install hardware package for reliable towing performance.\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: Are these hangers compatible with 3,500 lb single axles?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The kit fits axles rated 2,000–7,000 lb, so it works for 3,500 lb single-axle trailers.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Do I need additional bolts or nuts to install the kit?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No. The kit includes six 9\/16\"-18 x 3\" shackle bolts and locknuts required for installation.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"SPARKWHIZ","offers":[{"title":"Default Title","offer_id":48083005079710,"sku":"B0BZNHFGWM","price":54.48,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/sparkwhiz-hanger-kit-front-packaging.jpg?v=1785822292","url":"https:\/\/northtrailauto.ca\/products\/sparkwhiz-trailer-leaf-spring-hanger-kit-for-1-3-4-double-eye-springs-single-axle-corrosion-resist","provider":"North Trail Auto","version":"1.0","type":"link"}