{"product_id":"prothane-polyurethane-front-sway-bar-bushings-kit-4wd-1984-89-4runner","title":"Prothane Polyurethane Front Sway Bar Bushings Kit 4WD (1984-89 4Runner)","description":"\u003ch2 class=\"PDq2pG_selectionAnchorContainer\"\u003eProthane Polyurethane Front Sway Bar Bushing Kit – 19mm or 23mm\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eFor 1984–1989 Toyota 4Runner 4WD\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2 class=\"PDq2pG_selectionAnchorContainer\"\u003eOverview\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cp\u003eRestore the factory handling, steering response, and cornering stability of your \u003cstrong\u003e1984–1989 Toyota 4Runner 4WD\u003c\/strong\u003e with the \u003cstrong\u003eProthane Polyurethane Front Sway Bar Bushing Kit\u003c\/strong\u003e. Engineered as a direct-fit replacement for worn factory rubber sway bar bushings, this complete kit delivers improved suspension performance, reduced body roll, and long-lasting durability for both street and off-road driving.\u003c\/p\u003e\n\u003cp\u003eFactory rubber sway bar components gradually deteriorate from age, heat, oil, moisture, road salt, and environmental exposure. As these bushings wear, the sway bar can move excessively, reducing steering precision, increasing body roll, and creating suspension noise. Prothane's premium polyurethane bushings are designed to resist these conditions while maintaining a secure sway bar connection for improved handling and extended service life.\u003c\/p\u003e\n\u003cp\u003eThis kit is available for \u003cstrong\u003e19mm or 23mm factory front sway bars\u003c\/strong\u003e. Because Toyota installed multiple sway bar diameters throughout production—and many vehicles have been repaired or modified over the years—the \u003cstrong\u003eonly reliable way to select the correct kit is to measure your front sway bar before ordering\u003c\/strong\u003e.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eComplete front sway bar bushing kit\u003c\/li\u003e\n\u003cli\u003eAvailable for \u003cstrong\u003e19mm or 23mm factory front sway bars\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eHigh-performance polyurethane construction\u003c\/li\u003e\n\u003cli\u003eDirect replacement for factory rubber bushings\u003c\/li\u003e\n\u003cli\u003eImproves steering response and cornering stability\u003c\/li\u003e\n\u003cli\u003eReduces body roll and unwanted sway bar movement\u003c\/li\u003e\n\u003cli\u003eHelps maintain proper suspension geometry\u003c\/li\u003e\n\u003cli\u003eResistant to oil, grease, road salt, chemicals, moisture, ozone, and UV exposure\u003c\/li\u003e\n\u003cli\u003eLonger service life than conventional rubber bushings\u003c\/li\u003e\n\u003cli\u003eIncludes premium polyurethane installation grease\u003c\/li\u003e\n\u003cli\u003eManufactured by Prothane Performance Suspension\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eBenefits\u003c\/h2\u003e\n\u003cp\u003eReplacing worn sway bar bushings helps restore factory suspension performance while improving overall vehicle control.\u003c\/p\u003e\n\u003cp\u003eBenefits include:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eImproved steering precision\u003c\/li\u003e\n\u003cli\u003eReduced body roll during cornering\u003c\/li\u003e\n\u003cli\u003eIncreased front-end stability\u003c\/li\u003e\n\u003cli\u003eBetter suspension response on-road and off-road\u003c\/li\u003e\n\u003cli\u003eReduced squeaks and suspension noise\u003c\/li\u003e\n\u003cli\u003eLonger service life than factory rubber bushings\u003c\/li\u003e\n\u003cli\u003eExcellent upgrade for restoration, overlanding, rock crawling, and daily driving\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eWhat's Included\u003c\/h2\u003e\n\u003cp\u003eThis kit includes:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFront sway bar polyurethane bushings\u003c\/li\u003e\n\u003cli\u003eFront sway bar hardware\u003c\/li\u003e\n\u003cli\u003eHigh-performance polyurethane installation grease\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eVehicle Fitment\u003c\/h2\u003e\n\u003cp\u003eDesigned specifically for factory-equipped \u003cstrong\u003e4WD\u003c\/strong\u003e vehicles.\u003c\/p\u003e\n\u003ch3\u003eToyota 4Runner\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eFirst Generation\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e1984 Toyota 4Runner 4WD\u003c\/li\u003e\n\u003cli\u003e1985 Toyota 4Runner 4WD\u003c\/li\u003e\n\u003cli\u003e1986 Toyota 4Runner 4WD\u003c\/li\u003e\n\u003cli\u003e1987 Toyota 4Runner 4WD\u003c\/li\u003e\n\u003cli\u003e1988 Toyota 4Runner 4WD\u003c\/li\u003e\n\u003cli\u003e1989 Toyota 4Runner 4WD\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eCompatible with:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFactory front sway bar\u003c\/li\u003e\n\u003cli\u003e19mm or 23mm sway bar (verify before ordering)\u003c\/li\u003e\n\u003cli\u003e22R engine\u003c\/li\u003e\n\u003cli\u003e22RE engine\u003c\/li\u003e\n\u003cli\u003e22R-TE engine\u003c\/li\u003e\n\u003cli\u003e3.0L 3VZ-E V6 (1988–1989 4Runner)\u003c\/li\u003e\n\u003cli\u003eManual and automatic transmissions\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eChoosing the Correct Sway Bar Size\u003c\/h2\u003e\n\u003cp\u003eThis kit is available for \u003cstrong\u003e19mm\u003c\/strong\u003e and \u003cstrong\u003e23mm\u003c\/strong\u003e factory front sway bars.\u003c\/p\u003e\n\u003cp\u003eToyota used multiple sway bar diameters throughout production, and many trucks and SUVs have had suspension components replaced over the years. Vehicle year, trim level, engine, or VIN \u003cstrong\u003ecannot reliably identify the correct sway bar diameter\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThe only accurate method is to physically measure your front sway bar before ordering.\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3\u003eEasy Measurement Without Calipers\u003c\/h3\u003e\n\u003cp\u003eIf digital calipers are unavailable, you can quickly verify your sway bar size using a standard wrench:\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003eClean a straight section of the front sway bar.\u003c\/li\u003e\n\u003cli\u003eSlide a \u003cstrong\u003e19mm open-end wrench\u003c\/strong\u003e (or a \u003cstrong\u003e3\/4-inch wrench\u003c\/strong\u003e) over the sway bar.\u003c\/li\u003e\n\u003cli\u003eIf the wrench fits snugly around the bar, your vehicle has a \u003cstrong\u003e19mm sway bar\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eIf the wrench will not fit, your vehicle most likely has the \u003cstrong\u003e23mm sway bar\u003c\/strong\u003e.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003eThis simple measurement helps ensure you receive the correct kit the first time.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eMeasure your factory front sway bar before ordering.\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eSelect either the \u003cstrong\u003e19mm\u003c\/strong\u003e or \u003cstrong\u003e23mm\u003c\/strong\u003e kit based on your measurement.\u003c\/li\u003e\n\u003cli\u003eFits factory-style front sway bars only.\u003c\/li\u003e\n\u003cli\u003eClean sway bar surfaces before installing new bushings.\u003c\/li\u003e\n\u003cli\u003eApply the supplied polyurethane grease to all bushing contact surfaces during installation.\u003c\/li\u003e\n\u003cli\u003eInspect sway bar brackets and mounting hardware for wear.\u003c\/li\u003e\n\u003cli\u003eProfessional installation is recommended if suspension components are heavily worn.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eAvailable Bushing Colors\u003c\/h2\u003e\n\u003cp\u003eChoose the finish that best complements your build.\u003c\/p\u003e\n\u003ch3\u003eBlack Polyurethane\u003c\/h3\u003e\n\u003cp\u003eProvides a clean, factory-inspired appearance that blends seamlessly with OEM suspension components.\u003c\/p\u003e\n\u003ch3\u003eRed Polyurethane\u003c\/h3\u003e\n\u003cp\u003eFeatures Prothane's signature performance appearance for enthusiasts who prefer a more noticeable suspension upgrade.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBoth black and red bushings are manufactured from the same premium Prothane polyurethane and provide identical fitment, performance, durability, and resistance to oil, chemicals, moisture, and UV exposure.\u003c\/strong\u003e The only difference is color.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eWhy Choose Prothane?\u003c\/h2\u003e\n\u003cp\u003eFor decades, Prothane has been a trusted manufacturer of premium polyurethane suspension components. Their precision-engineered products are designed to outperform factory rubber by delivering improved handling, greater durability, and exceptional resistance to oil, grease, chemicals, moisture, and environmental wear. Whether you're restoring a classic Toyota Pickup, maintaining a first-generation 4Runner, or building an off-road trail rig, Prothane suspension components provide dependable performance that lasts.\u003c\/p\u003e","brand":"Prothane","offers":[{"title":"19mm \/ Black","offer_id":53259068277045,"sku":"560","price":31.38,"currency_code":"USD","in_stock":true},{"title":"19mm \/ Red","offer_id":53259068309813,"sku":"561","price":31.38,"currency_code":"USD","in_stock":true},{"title":"23mm \/ Black","offer_id":53259068342581,"sku":"562","price":33.23,"currency_code":"USD","in_stock":true},{"title":"23mm \/ Red","offer_id":53259068375349,"sku":"563","price":33.23,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0726\/6005\/8421\/files\/ChatGPT_Image_Aug_3_2026_01_49_27_PM.png?v=1785779506","url":"https:\/\/preserverad.com\/products\/prothane-polyurethane-front-sway-bar-bushings-kit-4wd-1984-89-4runner","provider":"Preserve Rad","version":"1.0","type":"link"}