{"product_id":"3-inch-trailer-axle-u-bolt-kit-9-16-x-7","title":"5,200 - 7,000 lb Axles, Fits 3\" Round Axle, 9\/16\"-18 Thread  Grade 5 U-Bolt Kit - 7\" U-Bolts","description":"\u003ch3\u003e\u003cstrong\u003eProduct Overview:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eSecure, reliable, and built to last, this U-bolt provides a complete mounting solution for fastening your trailer's leaf springs to 3\" round axles. Designed for 5,200 - 7,000 lb trailer axles, this kit include 7 inch grade 5 U-bolts, reinforced mounting plates, and nuts for a professional, OEM level fit that ensures proper axle alignment under heavy loads.\u003c\/p\u003e\n\u003cp\u003eConstructed from heavy duty steel with corrosion resistant zinc plating, these U-bolts resist rust, moisture, and road salt, providing long-term durability and vibration-resistant performance. Each kit convers a single axle and includes everything needed for a secure installation, making it ideal for utility trailers, equipment haulers, and cargo trailers. To maintain maximum clamping force and safe towing, replacement is recommended whenever installing new axles or leaf springs. \u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eWhat's include by Kit option:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e4 x U-Bolts - 7\" long, fits 3\" round axles, 9\/16\" thread\u003cbr\u003e2 x Mounting Plates - Reinforced design for even clamping\u003cbr\u003e8 x Grade 5 Hex Nuts\u003cbr\u003e8 x Lock Washers\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eAxle diameter: 3\"\u003cbr\u003eTypical axle capacity: 5,200 lb - 7,000 lb\u003cbr\u003eSpring width: 1-3\/4\"\u003cbr\u003eThread dimensions: 9\/16”-18\u003c\/p\u003e","brand":"RunningGearParts.com","offers":[{"title":"Default Title","offer_id":41948045181031,"sku":"TS-PUBR9-FBM","price":25.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0627\/8617\/5079\/files\/RGPProductDisplayMATAPUBR-9_GR5_A.png?v=1770332905","url":"https:\/\/www.runninggearparts.com\/products\/3-inch-trailer-axle-u-bolt-kit-9-16-x-7","provider":"RunningGearParts.com","version":"1.0","type":"link"}