{"product_id":"prothane-polyurethane-rear-sway-bar-bushings-kit-4wd-19890-95-4runner","title":"Prothane Polyurethane Rear Sway Bar Bushings Kit 4WD (1989-95 Pickup)","description":"\u003ch2 class=\"PDq2pG_selectionAnchorContainer\"\u003eProthane Polyurethane Rear Sway Bar Bushing Kit – 18mm\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eFor 1990–1995 Toyota 4Runner 4WD\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eRestore rear suspension control, cornering stability, and predictable handling in your \u003cstrong\u003e1990–1995 Toyota 4Runner 4WD\u003c\/strong\u003e with the \u003cstrong\u003eProthane Polyurethane Rear Sway Bar Bushings for 18mm sway bars\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThis direct-fit suspension kit replaces aging factory rubber sway bar bushings with durable polyurethane components. Worn rubber bushings can allow excessive sway bar movement, contributing to increased body roll, suspension noise, and less consistent handling. Prothane polyurethane helps maintain a secure connection between the rear sway bar, chassis mounts, and end links for more controlled suspension response.\u003c\/p\u003e\n\u003cp\u003eThis Prothane Polyurethane Rear Sway Bar Bushing Kit fits \u003cstrong\u003e1990–1995 4Runner 4WD models with an 18mm rear sway bar\u003c\/strong\u003e. Because older vehicles may have replacement or modified suspension components, physically measure the rear sway bar before ordering. \u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eComplete rear sway bar bushing kit\u003c\/li\u003e\n\u003cli\u003eDesigned for \u003cstrong\u003e18mm factory-style rear sway bars\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003ePrecision-molded polyurethane construction\u003c\/li\u003e\n\u003cli\u003eDirect replacement for worn factory rubber bushings\u003c\/li\u003e\n\u003cli\u003eHelps reduce unwanted rear sway bar movement\u003c\/li\u003e\n\u003cli\u003eImproves cornering stability and suspension response\u003c\/li\u003e\n\u003cli\u003eHelps control body roll during directional changes\u003c\/li\u003e\n\u003cli\u003eResists deterioration from oil, grease, moisture, road salt, ozone, and environmental exposure\u003c\/li\u003e\n\u003cli\u003eMore durable and compression-resistant than conventional rubber\u003c\/li\u003e\n\u003cli\u003eIncludes installation lubricant\u003c\/li\u003e\n\u003cli\u003eManufactured by Prothane Performance Suspension\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003ePerformance Benefits\u003c\/h2\u003e\n\u003cp\u003eReplacing deteriorated rear sway bar bushings can help restore proper sway bar operation and improve overall vehicle control.\u003c\/p\u003e\n\u003cp\u003eBenefits include:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMore consistent rear suspension response\u003c\/li\u003e\n\u003cli\u003eReduced body roll during cornering\u003c\/li\u003e\n\u003cli\u003eImproved stability during lane changes and evasive maneuvers\u003c\/li\u003e\n\u003cli\u003eReduced movement between the sway bar and mounting points\u003c\/li\u003e\n\u003cli\u003ePotential reduction in squeaks, clunks, and suspension noise caused by worn bushings\u003c\/li\u003e\n\u003cli\u003eLonger service life than aging factory rubber components\u003c\/li\u003e\n\u003cli\u003eSuitable for daily driving, restoration, towing, overlanding, and recreational off-road use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003chr\u003e\n\u003ch2\u003eWhat’s Included\u003c\/h2\u003e\n\u003cp\u003eKit components include:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRear sway bar frame-mount bushings\u003c\/li\u003e\n\u003cli\u003eRear sway bar end link bushings\u003c\/li\u003e\n\u003cli\u003eRear sway bar hardware\u003c\/li\u003e\n\u003cli\u003ePolyurethane installation lubricant\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eVehicle Fitment\u003c\/h2\u003e\n\u003cp\u003eFits \u003cstrong\u003e1990–1995 Toyota 4Runner 4WD\u003c\/strong\u003e models equipped with a factory-style \u003cstrong\u003e18mm rear sway bar\u003c\/strong\u003e. \u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eSecond-Generation Toyota 4Runner\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1990 Toyota 4Runner 4WD\u003c\/li\u003e\n\u003cli\u003e1991 Toyota 4Runner 4WD\u003c\/li\u003e\n\u003cli\u003e1992 Toyota 4Runner 4WD\u003c\/li\u003e\n\u003cli\u003e1993 Toyota 4Runner 4WD\u003c\/li\u003e\n\u003cli\u003e1994 Toyota 4Runner 4WD\u003c\/li\u003e\n\u003cli\u003e1995 Toyota 4Runner 4WD\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eCompatible configurations may include:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e2.4L 22RE four-cylinder engine\u003c\/li\u003e\n\u003cli\u003e3.0L 3VZ-E V6 engine\u003c\/li\u003e\n\u003cli\u003eManual transmission\u003c\/li\u003e\n\u003cli\u003eAutomatic transmission\u003c\/li\u003e\n\u003cli\u003eFactory-style rear sway bar\u003c\/li\u003e\n\u003cli\u003e18mm rear sway bar diameter\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eMeasure Before Ordering\u003c\/h2\u003e\n\u003cp\u003eThis kit fits an \u003cstrong\u003e18mm rear sway bar only\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eVehicle year, engine, trim level, or VIN should not replace physical measurement because suspension parts may have been changed during previous repairs or modifications.\u003c\/p\u003e\n\u003ch3\u003eMeasuring With Calipers\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eClean a straight, rust-free section of the rear sway bar.\u003c\/li\u003e\n\u003cli\u003eMeasure the outside diameter with digital or vernier calipers.\u003c\/li\u003e\n\u003cli\u003eConfirm that the measurement is approximately \u003cstrong\u003e18mm\u003c\/strong\u003e.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch3\u003eMeasuring Without Calipers\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eClean a straight section of the rear sway bar.\u003c\/li\u003e\n\u003cli\u003eSlide an \u003cstrong\u003e18mm open-end wrench\u003c\/strong\u003e over the bar.\u003c\/li\u003e\n\u003cli\u003eA close, snug fit indicates an approximately 18mm sway bar.\u003c\/li\u003e\n\u003cli\u003eIf the wrench does not fit or leaves substantial clearance, measure with calipers before ordering.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003eDo not measure over a bend, mounting sleeve, thick rust, paint buildup, or damaged section.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eFits \u003cstrong\u003efactory-style 18mm rear sway bars only\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eMeasure the rear sway bar before ordering\u003c\/li\u003e\n\u003cli\u003eClean the sway bar and mounting surfaces before installation\u003c\/li\u003e\n\u003cli\u003eRemove rust, dirt, and deteriorated rubber residue from all contact areas\u003c\/li\u003e\n\u003cli\u003eApply the supplied polyurethane grease to the specified bushing surfaces\u003c\/li\u003e\n\u003cli\u003eInspect the sway bar, brackets, end links, sleeves, and fasteners for damage\u003c\/li\u003e\n\u003cli\u003eReplace bent, corroded, or excessively worn hardware as needed\u003c\/li\u003e\n\u003cli\u003eTighten all fasteners according to the factory service manual\u003c\/li\u003e\n\u003cli\u003eProfessional installation is recommended when mounting hardware is seized or suspension components are heavily worn\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eAvailable Bushing Colors\u003c\/h2\u003e\n\u003ch3\u003eBlack Polyurethane\u003c\/h3\u003e\n\u003cp\u003eA subtle, factory-inspired option that blends with original suspension components.\u003c\/p\u003e\n\u003ch3\u003eRed Polyurethane\u003c\/h3\u003e\n\u003cp\u003eProthane’s traditional performance appearance for a more visible suspension upgrade.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBlack and red versions provide the same intended fitment and function. Color selection is based on appearance.\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eWhy Choose Prothane?\u003c\/h2\u003e\n\u003cp\u003eProthane manufactures polyurethane suspension components designed as durable alternatives to aging factory rubber bushings. For this application, Prothane specifically catalogs an \u003cstrong\u003e18mm rear sway bar and end link bushing kit for 1990–1995 Toyota 4Runner 4WD models\u003c\/strong\u003e, making it an application-specific option for restoring rear sway bar operation. \u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"Prothane","offers":[{"title":"Black","offer_id":53255147258165,"sku":"598","price":10.58,"currency_code":"USD","in_stock":true},{"title":"Red","offer_id":53255147290933,"sku":"599","price":10.58,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0726\/6005\/8421\/files\/ChatGPTImageAug5_2026_08_43_15PM.png?v=1785977008","url":"https:\/\/preserverad.com\/products\/prothane-polyurethane-rear-sway-bar-bushings-kit-4wd-19890-95-4runner","provider":"Preserve Rad","version":"1.0","type":"link"}