{"product_id":"syunsxoon-vortex-replacement-hub-caps-2-pack-2-5-16-in-thread-o-ring-seal","title":"SyunsXoon Vortex Replacement Hub Caps — 2-Pack 2 5\/16 in Thread, O-ring Seal","description":"\u003cb\u003eThese SyunsXoon replacement caps are threaded Dexter Vortex-compatible hub covers (model 81143 \/ 48355v) sold as a two-pack for 1250–1750 lb trailer hubs with five-bolt Vortex kits.\u003c\/b\u003e\n\u003cp\u003eIf your trailer’s Vortex-style hub cover is lost, cracked, or leaking grease, these SyunsXoon caps restore a secure threaded seal. They match the 2 5\/16\" outer thread diameter used on many Dexter marine and standard hubs and are intended for Vortex hubs with five bolts (not for six-lug hubs). Constructed from durable hard plastic and supplied with O-ring sealing, this two-pack gives a dependable, easy-to-install replacement without the cost of a full hub kit.\u003c\/p\u003e\n\n\u003ch3\u003eHow do these caps fit my Dexter Vortex hub?\u003c\/h3\u003e\n\u003cp\u003eEach cap follows the Vortex 81143 \/ 48355v thread dimensions and seating form, designed to screw into Vortex-style hub assemblies that accept a 2 5\/16\" outer thread diameter. They are specifically for hubs using five bolts; they will not fit six-lug configurations.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompatible references: 81143, 48355v, K71-G01-73, 21-261.\u003c\/li\u003e\n  \u003cli\u003eOuter thread diameter: 2 5\/16\" to match Vortex hub specifications.\u003c\/li\u003e\n  \u003cli\u003eIntended for Dexter marine and standard 1250–1750 lb hub applications.\u003c\/li\u003e\n  \u003cli\u003eNot suitable for six-lug hubs or non-threaded hub covers.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat materials and sealing features do these replacement caps use?\u003c\/h3\u003e\n\u003cp\u003eSyunsXoon caps are molded from a high-strength hard plastic formulated to resist cracking and deformation from handling and road vibration. Each cap includes an O-ring that compresses when threaded in, forming a grease-resistant barrier to help keep bearings lubricated and contaminants out.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDurable hard plastic construction for impact and wear resistance.\u003c\/li\u003e\n  \u003cli\u003eO-ring seal reduces grease leakage and keeps out dirt and water.\u003c\/li\u003e\n  \u003cli\u003eThreaded body allows repeatable installation and removal without press fittings.\u003c\/li\u003e\n  \u003cli\u003eSold as a two-pack for spare or dual-axle replacement needs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow simple is installation and maintenance?\u003c\/h3\u003e\n\u003cp\u003eInstallation is straightforward: align the cap threads with the hub, hand-start the threads, then tighten until the O-ring seats securely. Removal is just as easy—unscrew the cap to access the spindle nut and bearings for inspection, lubrication, or service.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eThreaded design requires only basic hand tools or a cap wrench for tightening.\u003c\/li\u003e\n  \u003cli\u003eO-ring replacement is quick if it wears over time; caps can be reused.\u003c\/li\u003e\n  \u003cli\u003eIdeal for routine trailer maintenance schedules and seasonal checks.\u003c\/li\u003e\n  \u003cli\u003eKeeps bearing grease contained between service intervals.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill these caps match original Dexter appearance and performance?\u003c\/h3\u003e\n\u003cp\u003eWhile aftermarket, these caps replicate the critical fit dimensions of Dexter Vortex caps to provide a secure mechanical fit and functional sealing. The finish and exact cosmetic details may vary slightly, but function and compatibility with specified hub models are the priority.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDesigned to meet the same thread and sealing profile as OEM Vortex caps.\u003c\/li\u003e\n  \u003cli\u003eFunctionally equivalent for keeping grease in and contaminants out.\u003c\/li\u003e\n  \u003cli\u003eEconomical two-pack lets you replace one now and keep a spare on hand.\u003c\/li\u003e\n  \u003cli\u003eCustomer support available for fitment questions and response within 24 hours.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: trailer owners, boaters, and fleet managers who use Dexter Vortex-style hubs (1250–1750 lb) with five-bolt patterns and need a reliable, easy-to-install replacement hub cap. This two-pack is useful for single-axle repairs, quick spares for multi-axle trailers, or anyone maintaining bearings and seals without replacing full hub assemblies. If you’re unsure about fit, check your hub’s outer thread diameter (2 5\/16\") and bolt count before ordering.\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 six-lug hubs?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No. These SyunsXoon caps are made for five-bolt Vortex hubs and aren't compatible with six-lug hub assemblies.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Do the caps include O-rings and can they be replaced?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. Each cap comes with an O-ring for sealing; O-rings are replaceable for continued leak protection.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"SyunsXoon","offers":[{"title":"Default Title","offer_id":55164147761495,"sku":"B0BRX7C7TH","price":31.74,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/syunsxoon-front-cap-view.jpg?v=1790350798","url":"https:\/\/britishgarage.co.uk\/products\/syunsxoon-vortex-replacement-hub-caps-2-pack-2-5-16-in-thread-o-ring-seal","provider":"British Garage","version":"1.0","type":"link"}