{"product_id":"trailer-supplies-2pc-4-threaded-oil-bath-cap-replacement-for-dexter-10khd-12k-15k-trailer-axles-replaces-k71-148-00-oc-86510-16-21-36","title":"Dexter 10KHD 12K 15K Trailer Axle 4\" 2PC Threaded Oil Bath Cap","description":"\u003cp\u003eUpgrade your heavy-duty trailer with this premium 4\" oil bath cap kit from Trailer Supplies, designed to replace Dexter part number 21-36. Engineered for 10K (HD), 12K, and 15K trailer axles, this aftermarket cap features a durable threaded design with a 4-inch outer diameter and 12 threads per inch. The kit includes a rubber plug and O-ring to ensure a tight, leak-free seal that keeps your hub properly lubricated. Please note: this cap is not compatible with Dexter’s 10K General Duty axles made in 2009 or later (#21-88). Always verify your thread size before ordering to ensure proper fit. \u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"TRAILER SUPPLIES","offers":[{"title":"Default Title","offer_id":46881061667045,"sku":"WA-OC-86510-16 1 pair","price":32.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0737\/0227\/7349\/files\/61Q0EI9njiL.jpg?v=1751293691","url":"https:\/\/www.wtrailer.com\/products\/trailer-supplies-2pc-4-threaded-oil-bath-cap-replacement-for-dexter-10khd-12k-15k-trailer-axles-replaces-k71-148-00-oc-86510-16-21-36","provider":"Trailer Supplies","version":"1.0","type":"link"}