{"product_id":"3611-yhd-rear-leaf-spring-suspension-heavy-duty-kit-for-ford-f150-4wd-2009-2023","title":"3611 YHD Rear Leaf Spring Suspension Heavy Duty Kit For Ford F150 4WD 2009 2023","description":"\u003cstrong\u003eThis rear leaf spring suspension heavy duty kit is a complete replacement leaf spring set designed for 2009–2023 Ford F-150 4WD trucks and matches OEM Part# 3611-YHD.\u003c\/strong\u003e\u003ch2\u003eProduct Overview\u003c\/h2\u003e\u003cp\u003eThis rear leaf spring suspension heavy duty kit replaces worn or sagging factory springs on 2009–2023 Ford F-150 4WD pickups, restoring factory ride height and increasing load-carrying stability. Built from high-strength spring steel with a multi-leaf heavy duty pack, this rear leaf spring suspension heavy duty kit reduces rear-end squat when towing or hauling heavy payloads. It’s the heavy-duty leaf spring solution for work trucks, trailers, and daily drivers that demand reliable rear support without a harsh ride.\u003c\/p\u003e\u003ch3\u003eKey Features \u0026amp; Performance\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eHeavy-duty multi-leaf construction provides higher load capacity and resists axle wrap\u003c\/li\u003e\n\u003cli\u003ePre-installed rubber bushings reduce noise and eliminate metal-on-metal contact\u003c\/li\u003e\n\u003cli\u003eShot-peened and heat-treated spring steel delivers long fatigue life under constant load\u003c\/li\u003e\n\u003cli\u003ePowder-coat finish resists corrosion from road salt, mud, and moisture\u003c\/li\u003e\n\u003cli\u003eEngineered for a direct bolt-on installation using factory mounting points\u003c\/li\u003e\n\u003cli\u003eMatches OEM Part# 3611-YHD for guaranteed 2009–2023 F-150 4WD compatibility\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment \u0026amp; Compatibility\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e2009–2023 Ford F-150 4WD (all cab and bed configurations)\u003c\/li\u003e\n\u003cli\u003eFits XL, XLT, Lariat, King Ranch, Platinum, and Limited trims with 4WD\u003c\/li\u003e\n\u003cli\u003eNot designed for 2WD models or Raptor applications\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCommon Uses\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eRestoring proper ride height after factory leaf springs sag from age or overload\u003c\/li\u003e\n\u003cli\u003eInstalling as a heavy-duty replacement to improve stability when towing trailers, campers, or boats\u003c\/li\u003e\n\u003cli\u003eSupporting heavy payloads in the truck bed without excessive squat\u003c\/li\u003e\n\u003cli\u003eRecommended for contractors, landscapers, and fleet vehicles needing dependable rear suspension\u003c\/li\u003e\n\u003cli\u003eMaintaining safe handling and brake balance when consistently hauling near GVWR\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number(s):\u003c\/strong\u003e 3611-YHD\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePosition:\u003c\/strong\u003e Rear Axle\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpring Configuration:\u003c\/strong\u003e Heavy-Duty Multi-Leaf\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e Pair (Left \u0026amp; Right)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBushing Type:\u003c\/strong\u003e Rubber\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e High-Strength Spring Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Powder Coated\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Is this a complete kit for both left and right sides?\u003cstrong\u003e A:\u003c\/strong\u003e Yes, this rear leaf spring suspension heavy duty kit includes two leaf springs (left and right) with pre-installed rubber bushings, giving you a full rear axle spring replacement in one package.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Will these springs lift my F-150?\u003cstrong\u003e A:\u003c\/strong\u003e These springs are engineered to restore factory ride height, not to provide a lift. They will correct rear sag and sit at the original OEM height, with increased heavy-duty capacity to handle more weight without drooping.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eProduct appearance and specifications may vary slightly by batch. Compatibility may vary by serial number. Verify fitment before purchase.\u003c\/em\u003e\u003c\/p\u003e","brand":"DURAFORCE","offers":[{"title":"Default Title","offer_id":53679702901009,"sku":"ZZ3A01456","price":400.39,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0250\/2446\/2929\/files\/57_a884431d-b563-4872-b37e-99c37bc627e1.jpg?v=1781653857","url":"https:\/\/www.duraforce.com\/products\/3611-yhd-rear-leaf-spring-suspension-heavy-duty-kit-for-ford-f150-4wd-2009-2023","provider":"DURAFORCE","version":"1.0","type":"link"}