{"product_id":"xtptfabs-trailer-hub-dust-caps-with-o-ring-4-pack-threaded-2-5-16-for-5-bolt-dexter-vortex-hubs","title":"XTPTFABS Trailer Hub Dust Caps with O-Ring 4-Pack — Threaded 2 5\/16\" for 5-Bolt Dexter Vortex Hubs","description":"\u003cp\u003e\u003cstrong\u003eXTPTFABS 81143 hub dust caps are threaded replacement covers with an O-ring, sold as a 4-pack, made to fit 5-bolt Dexter Vortex trailer hubs (48355V\/K71-G01-73\/21-261).\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThese threaded hub caps provide a straightforward way to replace worn or damaged dust covers on small- to mid-capacity Vortex trailer hubs. Constructed from a durable material and paired with a sealing O-ring, the caps restore protection to bearings and grease cavities while matching the 2 5\/16\" outer thread diameter common to many 1250–1750 lb Dexter Marine and Tie Down Engineering Vortex hub kits. This listing includes four identical caps, so you can service both wheels on one axle or keep spares on hand.\u003c\/p\u003e\n\n\u003ch3\u003eWill these caps fit my trailer hub?\u003c\/h3\u003e\n\u003cp\u003eThese XTPTFABS caps are designed for Vortex-style hubs with five bolt holes and a threaded outer diameter of approximately 2 5\/16\". They are compatible with Dexter part numbers like 81143 and 48355V as well as other kits that use the same threaded cap interface.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFits: 5-bolt Vortex hubs (not for 6-lug hubs)\u003c\/li\u003e\n  \u003cli\u003eOuter thread diameter: ~2 5\/16 inches\u003c\/li\u003e\n  \u003cli\u003eCompatible part numbers: 81143, 48355V, K71-G01-73, 21-261\u003c\/li\u003e\n  \u003cli\u003eSold as a set of 4 caps to service multiple wheels\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I install the threaded dust cap and O-ring?\u003c\/h3\u003e\n\u003cp\u003eInstallation is simple: clean the hub nose, seat the O-ring on the cap, then screw the cap into the hub threads until snug. The threaded design prevents accidental pop-off and the O-ring helps compress for a better seal against dirt and moisture.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRemove old cap and clean hub nose and threads\u003c\/li\u003e\n  \u003cli\u003ePlace supplied O-ring onto the cap groove before threading\u003c\/li\u003e\n  \u003cli\u003eHand-thread until firm; use appropriate tool if necessary\u003c\/li\u003e\n  \u003cli\u003eVerify a snug seal and that bearings spin freely afterward\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat materials and durability can I expect?\u003c\/h3\u003e\n\u003cp\u003eThese replacement caps are manufactured from a robust, wear-resistant material designed for road and marine environments. The parts resist typical corrosion and impact encountered during towing, but proper installation and periodic inspection will maximize service life.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDurable construction suited for trailering and marine rigs\u003c\/li\u003e\n  \u003cli\u003eThreaded body reduces risk of loss while towing\u003c\/li\u003e\n  \u003cli\u003eO-ring improves sealing against water and dirt intrusion\u003c\/li\u003e\n  \u003cli\u003ePack of four offers spare coverage and value\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: This 4-pack is aimed at trailer owners, maintenance technicians, and fleet managers who use Dexter Vortex 1250–1750 lb hubs and need a reliable, threaded dust cap replacement with an O-ring. It's especially useful if you need matched replacements for both wheels on an axle or want spare caps for routine upkeep. If you're uncertain about compatibility, compare your hub's bolt pattern and outer thread diameter to the listed measurements or contact the seller for verification before purchasing.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Are these caps compatible with 6-lug hubs?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No. These XTPTFABS caps are only for 5-bolt Vortex hubs; they do not fit 6-lug hubs.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Do the caps include the O-rings?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. Each cap comes with an O-ring to help ensure a tighter seal when installed.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"XTPTFABS","offers":[{"title":"Default Title","offer_id":48084466860190,"sku":"B0BVBHXKJG","price":31.98,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/xtptfabs-front-packaging-hub-cap.jpg?v=1785856361","url":"https:\/\/northtrailauto.ca\/products\/xtptfabs-trailer-hub-dust-caps-with-o-ring-4-pack-threaded-2-5-16-for-5-bolt-dexter-vortex-hubs","provider":"North Trail Auto","version":"1.0","type":"link"}