{"product_id":"12-1-4-x-3-3-8-hub-drum-fits-lippert-791399-9k-10k-axles-8-on-6-5-5-8-studs","title":"12-1\/4\" x 3-3\/8\" Hub \u0026 Drum – Fits Lippert 791399 – 9K–10K Axles – 8 on 6.5\", 5\/8\" Studs","description":"\u003cp data-start=\"229\" data-end=\"603\"\u003eThis heavy-duty hub and drum assembly is a direct replacement for Lippert part number 791399, compatible with 9,000–10,000 lb general duty trailer axles manufactured \u003cstrong data-start=\"414\" data-end=\"435\"\u003eafter August 2020\u003c\/strong\u003e. Precision-machined from high-strength steel, it delivers reliable braking performance under heavy loads—ideal for commercial, agricultural, and industrial trailers.\u003c\/p\u003e\n\u003cp data-start=\"605\" data-end=\"832\"\u003eThe 12-1\/4\" diameter × 3-3\/8\" width drum fits both electric and hydraulic 3-3\/8\" brake assemblies and includes pre-installed bearing races for quick installation. Bearings, oil seal, oil cap, and lug nuts are sold separately.\u003c\/p\u003e\n\u003cp data-start=\"834\" data-end=\"976\"\u003ePerfect for flatbed trailers, equipment haulers, and dual tandem trailers, this assembly meets OEM standards for durability and performance.\u003c\/p\u003e\n\u003cp data-start=\"978\" data-end=\"997\"\u003e\u003cstrong data-start=\"978\" data-end=\"995\"\u003eKit Includes:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"998\" data-end=\"1187\"\u003e\n\u003cli data-start=\"998\" data-end=\"1050\"\u003e\n\u003cp data-start=\"1000\" data-end=\"1050\"\u003e(1) Hub \u0026amp; Drum – 12-1\/4\" diameter × 3-3\/8\" width\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1051\" data-end=\"1086\"\u003e\n\u003cp data-start=\"1053\" data-end=\"1086\"\u003ePre-installed inner race (382A)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1087\" data-end=\"1187\"\u003e\n\u003cp data-start=\"1089\" data-end=\"1187\"\u003ePre-installed outer race (25520)\u003cbr data-start=\"1121\" data-end=\"1124\"\u003e\u003cem data-start=\"1124\" data-end=\"1185\"\u003e(Bearings, oil seal, oil cap, and lug nuts sold separately)\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1189\" data-end=\"1208\"\u003e\u003cstrong data-start=\"1189\" data-end=\"1206\"\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1209\" data-end=\"1707\"\u003e\n\u003cli data-start=\"1209\" data-end=\"1318\"\u003e\n\u003cp data-start=\"1211\" data-end=\"1318\"\u003e\u003cstrong data-start=\"1211\" data-end=\"1234\"\u003eDirect Replacement:\u003c\/strong\u003e Fits Lippert 791399 for 9K–10K general duty axles manufactured \u003cstrong data-start=\"1298\" data-end=\"1316\"\u003eafter Aug 2020\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1319\" data-end=\"1407\"\u003e\n\u003cp data-start=\"1321\" data-end=\"1407\"\u003e\u003cstrong data-start=\"1321\" data-end=\"1343\"\u003ePrecision Fitment:\u003c\/strong\u003e 8 on 6.5\" bolt pattern, 5\/8\" studs, 4-3\/4\" hub pilot diameter\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1408\" data-end=\"1511\"\u003e\n\u003cp data-start=\"1410\" data-end=\"1511\"\u003e\u003cstrong data-start=\"1410\" data-end=\"1438\"\u003eHeavy-Duty Construction:\u003c\/strong\u003e Rated for up to 5,000 lbs per hub with exceptional braking performance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1512\" data-end=\"1613\"\u003e\n\u003cp data-start=\"1514\" data-end=\"1613\"\u003e\u003cstrong data-start=\"1514\" data-end=\"1538\"\u003ePre-Installed Races:\u003c\/strong\u003e Inner race (382A) \u0026amp; outer race (25520) factory-installed for convenience\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1614\" data-end=\"1707\"\u003e\n\u003cp data-start=\"1616\" data-end=\"1707\"\u003e\u003cstrong data-start=\"1616\" data-end=\"1642\"\u003eVersatile Application:\u003c\/strong\u003e Works with both electric and hydraulic 3-3\/8\" brake assemblies\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1709\" data-end=\"1749\"\u003e\u003cstrong data-start=\"1709\" data-end=\"1747\"\u003eOEM Replacement \/ Cross-Reference:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1750\" data-end=\"1768\"\u003e\n\u003cli data-start=\"1750\" data-end=\"1768\"\u003e\n\u003cp data-start=\"1752\" data-end=\"1768\"\u003eLippert 791399\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"TRAILER SUPPLIES","offers":[{"title":"Default Title","offer_id":47548256059621,"sku":null,"price":336.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0737\/0227\/7349\/files\/99-86510-399-LS_34fa4ac9-0025-4efe-a282-bb79ebc4b439.jpg?v=1754932185","url":"https:\/\/www.wtrailer.com\/products\/12-1-4-x-3-3-8-hub-drum-fits-lippert-791399-9k-10k-axles-8-on-6-5-5-8-studs","provider":"Trailer Supplies","version":"1.0","type":"link"}