{"product_id":"syunsxoon-replacement-hub-dust-caps-for-dexter-vortex-81143-2-pack-threaded-with-o-ring","title":"SyunsXoon Replacement Hub Dust Caps for Dexter Vortex 81143 — 2-Pack Threaded with O-Ring","description":"\u003cp\u003e\u003cstrong\u003eSyunsXoon 2-Pack 81143 replacement hub dust caps are threaded plastic caps with O-rings that fit Dexter Vortex 81143\/48355v (K71-G01-73, 21-261) 5-bolt trailer hubs to seal bearings and keep grease in.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThese replacement caps are built for owners of small to mid-size trailers and boats who need a simple, reliable way to protect wheel bearings from dirt and moisture. Designed as a direct-fit option for commonly used Dexter Vortex hub kits, each cap includes an O-ring seal and a threaded design for straightforward removal and reinstallation. The set contains two matching caps, made from a durable hard plastic that resists cracking and warping under normal trailering conditions.\u003c\/p\u003e\n\n\u003ch3\u003eWill these caps fit my Dexter Vortex hub?\u003c\/h3\u003e\n\u003cp\u003eYes—these SyunsXoon caps are made to fit Dexter Vortex part numbers 81143 and 48355v, and compatible references K71-G01-73 and 21-261. They are intended for standard Vortex hub kits that use a 5-bolt pattern and are commonly found on 1250–1750 lb axle ratings.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFits Dexter Vortex 81143 \/ 48355v \/ K71-G01-73 \/ 21-261\u003c\/li\u003e\n  \u003cli\u003eDesigned for hubs rated 1250–1750 lbs\u003c\/li\u003e\n  \u003cli\u003eFits 5-bolt hubs only (not for 6-lug hubs)\u003c\/li\u003e\n  \u003cli\u003eOuter thread diameter: 2 5\/16\"\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow easy is installation and maintenance?\u003c\/h3\u003e\n\u003cp\u003eInstallation is quick thanks to the threaded body that screws into the hub bore; the included O-ring gives a secure seal to help prevent grease leakage. Routine checks only require removing the cap to inspect or repack bearings, then re-tightening the cap by hand or with light tools.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eThreaded design for simple screw-in installation\u003c\/li\u003e\n  \u003cli\u003eO-ring creates a grease-tight seal\u003c\/li\u003e\n  \u003cli\u003eNo special tools required for most installations\u003c\/li\u003e\n  \u003cli\u003eSold as a convenient 2-pack for axle pairs\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat materials and durability can I expect?\u003c\/h3\u003e\n\u003cp\u003eThe caps are molded from a hard plastic engineered to resist impact and deformation during normal use. While lightweight, the material is sturdy enough to withstand road vibration and exposure to water and salt when used as intended.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHard plastic construction for strength and longevity\u003c\/li\u003e\n  \u003cli\u003eResists cracking and warping under typical conditions\u003c\/li\u003e\n  \u003cli\u003eO-ring protects grease from contamination\u003c\/li\u003e\n  \u003cli\u003eTwo caps included for replacing both sides of an axle\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: These SyunsXoon replacement hub dust caps are ideal for trailer owners, boaters, and DIY mechanics who use Dexter Vortex 5-bolt hub kits and need a cost-effective, direct-fit dust cap to maintain bearing seals. Choose these caps if you have hubs that match the listed part numbers and thread size, want an easy screw-in replacement with an O-ring seal, and prefer buying a pair for axle upkeep.\u003c\/p\u003e\n\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does this cap fit 6-lug hubs?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No. These caps are designed for 5-bolt Vortex hubs only and are not compatible with 6-lug hub assemblies.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What thread size and hub ratings does it support?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The outer thread diameter is 2 5\/16\" and it fits commonly used Dexter Vortex hubs for 1250–1750 lb axles.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"SyunsXoon","offers":[{"title":"Default Title","offer_id":48087061102750,"sku":"B0BRX7C7TH","price":30.48,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/syunsxoon-front-view-cap.jpg?v=1785915819","url":"https:\/\/northtrailauto.ca\/products\/syunsxoon-replacement-hub-dust-caps-for-dexter-vortex-81143-2-pack-threaded-with-o-ring","provider":"North Trail Auto","version":"1.0","type":"link"}