{"title":"Oil Cap \u0026 Dust Cap","description":"","products":[{"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"},{"product_id":"threaded-oil-bath-cap-2-pack-dexter-6k-8k-axles","title":"6K 7K 8K Axles 2PCS 2-7\/8\" Oil Bath Dust Caps Replacement","description":"\u003cp\u003eUpgrade your trailer axle maintenance with this 2-pack of \u003cstrong\u003e2-7\/8\" threaded oil bath caps\u003c\/strong\u003e from Trailer Supplies, designed as \u003cstrong\u003edirect replacements\u003c\/strong\u003e for Dexter 6K–8K axles. These caps are commonly used on 8-lug Dexter drums including \u003cstrong\u003e8-219, 8-232, 8-285, and 8-286\u003c\/strong\u003e, as well as select 6,000 lb and 7,000 lb oil bath hubs. They also fit certain older 9,000 lb drum models manufactured before October 1989.\u003c\/p\u003e\u003cp\u003eEach oil bath cap features a \u003cstrong\u003edurable metal construction\u003c\/strong\u003e with a \u003cstrong\u003e12-thread design\u003c\/strong\u003e for secure fitment. The included \u003cstrong\u003erubber plug and O-ring\u003c\/strong\u003e create a reliable seal, keeping lubricant inside the hub while blocking dirt, water, and road debris.\u003c\/p\u003e\u003cp\u003eWhether you’re \u003cstrong\u003ereplacing a worn oil cap\u003c\/strong\u003e or upgrading your hub components, this 2-pack offers the perfect balance of \u003cstrong\u003estrength, fit, and protection\u003c\/strong\u003e for your Dexter axle setup—ideal for livestock trailers, utility haulers, RVs, and heavy-duty cargo applications.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSize: 2-7\/8\" Threaded Cap\u003c\/li\u003e\n\u003cli\u003eMaterial: Heavy-duty metal with rubber plug \u0026amp; O-ring\u003c\/li\u003e\n\u003cli\u003eFitment: Dexter 6K–8K axles, 8-lug drums (8-219, 8-232, 8-285, 8-286)\u003c\/li\u003e\n\u003cli\u003eIncludes: 2 × Oil Bath Caps with Plugs \u0026amp; O-Rings\u003c\/li\u003e\n\u003cli\u003eThread: 12-thread design for secure attachment\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"TRAILER SUPPLIES","offers":[{"title":"Default Title","offer_id":46881116979429,"sku":null,"price":26.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0737\/0227\/7349\/files\/61uhYurGfoL.jpg?v=1751296277"},{"product_id":"greaseable-dust-caps-with-rubber-plug-1-98-od-1-4-h-fits-3500-trailer-axles-hub-grease-cap-for-wheel-bearings","title":"3500 lb Trailer Axles greaseable Dust Caps with Rubber Plug","description":"\u003ch3\u003e\u003cstrong\u003eProduct Description: \u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThese greaseable trail hub dust caps are built for 2,000 -3,500 lb trailer axles with standard 1.98\" hub bores, commonly used on 4-lug and 5-lug hubs. Constructed from thick zinc-plated steel, they provide excellent resistance to rust, moisture, and road debris while maintaining a secure, press-fit seal that protects wheel bearings and hub components. \u003c\/p\u003e\n\u003cp\u003eEach cap features an EZ Lube style removable rubber plug, allowing quick and clean lubrication access without removing the dust cap, saving time during routine maintenance. Designed for durability and repeated service, this pack also includes extra rubber plugs to support long term upkeep. Ideal for utility trailers, boat trailers, cargo trailers, and fleet maintenance applications, these dust caps help extend bearing life and ensure smooth, reliable towing performance.  \u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eWhat's include: \u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003e4‑Pack \u003c\/strong\u003e\u003cstrong\u003eKit Includes:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e(4) 1.98\" OD greaseable dust caps\u003cbr\u003e(4) Pre‑installed rubber plugs\u003cbr\u003e(4) Extra rubber plugs (spares)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e8‑Pack Kit Includes:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e(8) 1.98\" OD greaseable dust caps\u003cbr\u003e(8) Pre‑installed rubber plugs\u003cbr\u003e(8) Extra rubber plugs (spares)\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eOEM Replacement:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eDexter 021‑041‑02, 021‑041‑00; AL‑KO 568063\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFits:\u003c\/strong\u003e Standard #84 spindles, most utility, boat, RV, and cargo trailers with EZ‑Lube or standard axles.\u003c\/p\u003e","brand":"TRAILER SUPPLIES","offers":[{"title":"4 pack","offer_id":47312545513701,"sku":null,"price":14.99,"currency_code":"USD","in_stock":true},{"title":"8 pack","offer_id":47312545546469,"sku":null,"price":27.99,"currency_code":"USD","in_stock":true},{"title":"4 pack rubber plug","offer_id":48934299468005,"sku":null,"price":6.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0737\/0227\/7349\/files\/200_4pack.jpg?v=1753907455"},{"product_id":"4-pack-2-44-greaseable-dust-caps-rubber-plug-6-lug-5200-6000-lb-axles","title":"6-Lug 5.2K–6K Trailer Axles 2.44\" OD Greaseable Dust Caps with Rubber Plugs","description":"\u003cp\u003eThese greaseable trailer hub dust caps are designed for 5,200–6,000 lb trailer axles using standard 6-lug hubs with a 6 on 5.5\" bolt pattern. Each cap measures \u003cstrong\u003e2.44\" outer diameter × 1.5\" height\u003c\/strong\u003e and is made from corrosion‑resistant galvanized steel for long-lasting durability. The built‑in rubber plug allows quick lubrication without removing the cap, helping protect your wheel bearings from dirt, moisture, and road debris—extending service life and ensuring smooth operation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOEM Replacement \/ Compatible With:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDexter 021-042-01\u003c\/li\u003e\n\u003cli\u003eFits most 5.2K–6K axles from Dexter, TK, Texas Pride, Lippert, Rockwell American, etc.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003e4-Pack\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eKit Includes:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e(4) Greaseable trailer hub dust caps – 2.44\" OD × 1.5\" H, with pre-installed rubber plugs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eStandard fit for 2.44\" hub bores on 5,200–6,000 lb axles with 6-lug, 6 on 5.5\" bolt patterns\u003c\/li\u003e\n\u003cli\u003eHeavy‑duty galvanized steel for corrosion resistance and long-term durability\u003c\/li\u003e\n\u003cli\u003eReliable press-fit seal keeps grease in and contaminants out\u003c\/li\u003e\n\u003cli\u003eBuilt-in rubber plug allows easy greasing without disassembly\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003e8-Pack\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eKit Includes:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e(8) Greaseable trailer hub dust caps – 2.44\" OD × 1.5\" H, with pre-installed rubber plugs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eOEM fitment for 2.44\" hub bores on 5,200–6,000 lb 6-lug hubs\u003c\/li\u003e\n\u003cli\u003eBulk value pack for fleet maintenance, multi‑axle trailers, or workshop inventory\u003c\/li\u003e\n\u003cli\u003eGalvanized steel construction resists rust, corrosion, and harsh road conditions\u003c\/li\u003e\n\u003cli\u003eLow-maintenance design with built-in rubber plug for quick lubrication\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"TRAILER SUPPLIES","offers":[{"title":"4 kit","offer_id":47312797630693,"sku":null,"price":15.49,"currency_code":"USD","in_stock":true},{"title":"8 kit","offer_id":47312797663461,"sku":null,"price":29.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0737\/0227\/7349\/files\/250dustcap.jpg?v=1753907433"},{"product_id":"4-pack-2-75-od-greaseable-dust-caps-with-rubber-plugs-8-lug-7k-8k-axles","title":"8-Lug 7K–8K Trailer Axles 2.75\" OD Greaseable Dust Caps with Rubber Plugs","description":"\u003cp\u003eProduct Description:\u003c\/p\u003e\n\u003cp\u003eThese greaseable trailer hub dust caps are engineered to fit hubs with a 2.75\" bore, commonly found on 7,000 - 8,000 lb axle assemblies with 8-lug, 6.5\" bolt patterns. Constructed from heavy duty carbon steel with zinc plating, they resist rust and corrosion while providing a secure, press-fit seal. Each cap includes a built-in rubber plug that allows easy greasing without removal, helping reduce maintenance time and extend the life of your trailer's wheel bearings. Ideal for fleet maintenance, multi-axle trailers, or shop inventory, these caps keep grease in, block contaminants,  and ensure smooth, reliable towing performance. \u003c\/p\u003e\n\u003ch3\u003eWhat's include: \u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003e4-Pack Kit Includes:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e(4) Greaseable trailer hub dust caps – 2.75\" OD × 1.5\" H, with pre‑installed rubber plugs\u003cstrong\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e8-Pack Kit Includes:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e(8) Greaseable trailer hub dust caps – 2.75\" OD × 1.5\" H, with pre‑installed rubber plugs\u003cstrong\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eOEM Replacement \/ Compatible With:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDexter 021-043-01\u003c\/li\u003e\n\u003cli\u003eFits most 7K–8K axles from Dexter, TK, Texas Pride, Lippert, and Rockwell American\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cbr\u003e\u003c\/h3\u003e","brand":"TRAILER SUPPLIES","offers":[{"title":"4 pack","offer_id":47312802513125,"sku":null,"price":15.99,"currency_code":"USD","in_stock":true},{"title":"8 pack","offer_id":47312802545893,"sku":null,"price":29.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0737\/0227\/7349\/files\/275dustcap.jpg?v=1753907419"},{"product_id":"dexter-e-z-lube-grease-cap-rubber-plug-kit-2-45-od-fits-12-x-2-hubs-with-5-6-bolt-patterns-k71-317-00","title":"Dexter E-Z Lube Grease Cap \u0026 Rubber Plug Kit - 2.45\" OD, Fits 12\" x 2\" Hubs with 5 \u0026 6 Bolt Patterns (K71-317-00)","description":"\u003ch3\u003e\u003cstrong\u003eKey Features: \u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFits Dexter 12\" x 2“ hubs with 5 and 6 bolt patterns\u003c\/li\u003e\n\u003cli\u003e2.45\" outside diameter grease caps\u003c\/li\u003e\n\u003cli\u003eChrome-plated steel construction for corrosion resistance\u003c\/li\u003e\n\u003cli\u003eRubber plugs allow easy access for E-Z Lube axle lubrication\u003c\/li\u003e\n\u003cli\u003eHelps protect wheel bearings from dirt, dust, and mositure\u003c\/li\u003e\n\u003cli\u003eIdeal replacement for worn or damaged grease caps\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eSpecifications: \u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBrand: Dexter \u003c\/li\u003e\n\u003cli\u003ePart Number: K71-317-00\u003c\/li\u003e\n\u003cli\u003eOutside Diameter: 2.45\" \u003c\/li\u003e\n\u003cli\u003eFits Hub Size: 12\" x 2\"\u003c\/li\u003e\n\u003cli\u003eBolt Pattern Compatibility: 5 \u0026amp; 6 Bolt Hubs\u003c\/li\u003e\n\u003cli\u003eCap Material: Chrome-Plated Steel\u003c\/li\u003e\n\u003cli\u003ePlug Material: Rubber\u003c\/li\u003e\n\u003cli\u003eLubrication System: E-Z Lube\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eProduct Description:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong data-start=\"954\" data-end=\"1007\"\u003eDexter K71-317-00 E-Z Lube® Grease Cap \u0026amp; Plug Kit\u003c\/strong\u003e is designed to replace worn or damaged grease caps on compatible Dexter trailer hubs. Featuring \u003cstrong data-start=\"1104\" data-end=\"1139\"\u003e2.45\" chrome-plated grease caps\u003c\/strong\u003e and durable rubber plugs, this kit helps keep contaminants out while allowing quick access for routine bearing lubrication on E-Z Lube® axles. It's an ideal OEM replacement for maintaining smooth and reliable trailer hub performance.\u003c\/p\u003e\n\u003ch3 data-start=\"1418\" data-end=\"1442\" class=\"PDq2pG_selectionAnchorContainer\"\u003e\n\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1422\" data-end=\"1442\"\u003ePackage Includes\u003c\/strong\u003e\u003c\/span\u003e\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h3\u003e\n\u003cul data-start=\"1444\" data-end=\"1541\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\n\u003cli data-start=\"1444\" data-end=\"1477\"\u003e2 × 2.45\" E-Z Lube® Grease Caps\u003c\/li\u003e\n\u003cli data-start=\"1478\" data-end=\"1541\" data-is-last-node=\"\"\u003e2 × Rubber Grease Plugs\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Dexter","offers":[{"title":"Default Title","offer_id":50326154182885,"sku":null,"price":33.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0737\/0227\/7349\/files\/13_cff9c0ec-4244-4bb1-ba5a-14240b6720fc.png?v=1784322835"}],"url":"https:\/\/www.wtrailer.com\/collections\/oil-cap-dust-cap.oembed","provider":"Trailer Supplies","version":"1.0","type":"link"}