{"product_id":"trailer-idler-hub-kits-for-3500-lb-axles-with-5-on-4-5in-bolt","title":"Trailer Idler Hub Kits 5 on 4.5 in for 3500 lb Axles - Set of 2","description":"\u003cp\u003eIn this review of the Trailer Idler Hub Kits 5 on 4.5 in for 3500 lb axles, the bottom line is straightforward: these kits are aimed at trailer owners who need a cost-effective way to rebuild or replace idler hubs without swapping the entire axle. The reviewer found the complete set-spindles, bearings, seals, EZ lube caps and hardware-gives a practical, one-stop repair option for 3500 lb trailer axles, delivering solid durability from alloy steel construction and clear packaging that protects parts in transit.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eComplete kit:\u003c\/strong\u003e Each set includes 2 axle spindles, 2 hubs, bearings, seals, grease caps and nuts so a full wheel end service can be completed without sourcing extra parts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e#84 spindle fit:\u003c\/strong\u003e The included spindles have a 1.75 in largest diameter and 8.25 in overall length, matching common #84 trailer axle applications for a straightforward fit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLoad capacity:\u003c\/strong\u003e Rated for 3500 lb axles with a spindle capacity of 1750 lb per wheel, suitable for single-axle and tandem setups where each wheel carries that load.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAlloy steel construction:\u003c\/strong\u003e The hubs and spindles use alloy steel for improved corrosion resistance and long-term durability under towing conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackaged for protection:\u003c\/strong\u003e Parts arrive in bubble boxes to reduce risk of damage during shipping, so components are ready for installation on arrival.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHardware included:\u003c\/strong\u003e The kit supplies cotter pins, spindle nuts, washers and ten cone wheel nuts, reducing the need to purchase complementary fasteners.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThe kit suits DIY trailer owners, small fleet operators, and repair shops that service 3500 lb trailer axles and want a single-purchase solution for idler hub replacement. It is especially useful when the spindle and hub need to be replaced together and the customer prefers to avoid sourcing individual bearings and seals separately.\u003c\/p\u003e\n\u003cp\u003eThose who should look elsewhere include owners of heavier commercial trailers or nonstandard axles that require different spindle sizes or bolt patterns. Also, if a vehicle needs a matched factory hub with a specific brand warranty, this universal-style kit may not be the right choice.\u003c\/p\u003e\n\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eComes as a near-complete wheel end package so most installations need no extra parts.\u003c\/li\u003e\n\u003cli\u003eAlloy steel hubs and spindles offer solid corrosion resistance and longevity for towing use.\u003c\/li\u003e\n\u003cli\u003eClearly a cost-effective option compared with replacing an entire axle assembly.\u003c\/li\u003e\n\u003cli\u003ePackaging protects components, reducing arrival damage and simplifying inspection before install.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eInstallation feedback is mixed, so buyers should have mechanical experience or access to a shop for proper fitting and adjustment.\u003c\/li\u003e\n\u003cli\u003eDesigned for 5 on 4.5 in bolt pattern and #84 spindles only, so it is not universal for all trailer axles.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003e3500 lb trailer axles\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpindle type\u003c\/td\u003e\n\u003ctd\u003e#84 trailer axle spindle\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpindle largest diameter\u003c\/td\u003e\n\u003ctd\u003e1.75 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpindle overall length\u003c\/td\u003e\n\u003ctd\u003e8.25 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBolt pattern\u003c\/td\u003e\n\u003ctd\u003e5 on 4.5 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpindle capacity\u003c\/td\u003e\n\u003ctd\u003e1750 lb per wheel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIncluded bearings and seals\u003c\/td\u003e\n\u003ctd\u003eL68149 inner, L44649 outer, 1.719 in I.D x 2.565 in O.D grease seals\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe Trailer Idler Hub Kits 5 on 4.5 in for 3500 lb axles are a practical, value-minded option for anyone rebuilding wheel ends on common 3500 lb trailers. They include the essential spindles, hubs, bearings and hardware needed for a complete service and use durable alloy steel construction. Buyers should be comfortable with mechanical installation or have access to professional help, but for the price these kits represent good value compared with larger repairs.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eDo these kits include bearings and seals?\u003c\/strong\u003e\u003cbr\u003eYes, each kit includes L68149 inner cone bearings, L44649 outer cone bearings and 1.719 in I.D x 2.565 in O.D grease seals.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat bolt pattern and spindle size do they fit?\u003c\/strong\u003e\u003cbr\u003eThe hubs use a 5 on 4.5 in bolt pattern and the package includes #84 spindles designed for a 1.75 in largest diameter.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs hardware included to install the hubs?\u003c\/strong\u003e\u003cbr\u003eYes, the kit supplies cotter pins, spindle nuts, spindle washers, EZ Lube grease caps with rubber plugs and cone wheel nuts with 1\/2-20 threads.\u003c\/p\u003e","brand":"RigsNParts","offers":[{"title":"Default Title","offer_id":48184866275547,"sku":"B0D5H253JJ","price":89.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/71cc4JefYNL._AC_SL1000_8309aeeb-d3fe-4563-9ac1-9ecfefe0347c.jpg?v=1769659485","url":"https:\/\/gearmusthave.com\/products\/trailer-idler-hub-kits-for-3500-lb-axles-with-5-on-4-5in-bolt","provider":"GearMustHave","version":"1.0","type":"link"}