{"product_id":"dorman-539-845-suspension-ball-joint-front-left-lower","title":"Dorman 539-845 Suspension Ball Joint - Front Left Lower","description":"\u003ch2\u003eDorman 539-845 Front Left Lower Ball Joint\u003c\/h2\u003e\u003cp\u003eDorman 539-845 is a threaded suspension ball joint built as a direct OE-style replacement for specific vehicles. It is engineered and tested for dependable service on the front left lower position of the 1990-1992 Lexus LS400.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFits 1990-1992 Lexus LS400, front left lower\u003c\/li\u003e\n\u003cli\u003eThreaded, bolt-in suspension ball joint design\u003c\/li\u003e\n\u003cli\u003eSteel construction with a gray finish\u003c\/li\u003e\n\u003cli\u003eDust boot included to help protect the joint area\u003c\/li\u003e\n\u003cli\u003eCastle nut, cotter pin hole, and mounting hardware included\u003c\/li\u003e\n\u003cli\u003eTapered stud design with 12 mm wrench size\u003c\/li\u003e\n\u003cli\u003eStandard replacement suspension grade\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eProduct Details\u003c\/h2\u003e\u003cp\u003eThis Dorman suspension ball joint, part number 539-845, is designed for the front left lower suspension position on the Lexus LS400. It uses a steel body, rubber dust boot, and a threaded, bolt-in mounting style with three mounting holes. The assembly includes a tapered stud, castle nut, and mounting hardware, and it does not use a grease fitting or greaseable design. For shoppers searching for a Lexus LS400 front lower ball joint replacement, Dorman 539-845 provides a direct-fit service part for the listed applications. This part cross-references Beck\/Arnley 101-4589 for the same application.\u003c\/p\u003e\u003ch2\u003eCommon Problems This Part Can Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eExcessive front suspension play or looseness\u003c\/li\u003e\n\u003cli\u003eClunking or knocking from the lower front suspension\u003c\/li\u003e\n\u003cli\u003eUneven tire wear related to worn ball joint movement\u003c\/li\u003e\n\u003cli\u003eSteering instability or wandering at the front end\u003c\/li\u003e\n\u003cli\u003eInspection failure caused by worn suspension joint components\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eConfirm the vehicle is a 1990-1992 Lexus LS400 with the front left lower application before installation. Inspect the surrounding control arm, fasteners, and mounting points for wear or damage, and verify the tapered stud seats correctly during assembly. Because this is a bolt-in, threaded suspension ball joint, proper torque and alignment checks after installation are important for correct suspension geometry.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eDorman designs this replacement ball joint to match the original equipment application and subjects it to testing for reliable fit and function. Part number 539-845 is built for the specified Lexus LS400 front left lower suspension position and is intended to restore proper joint operation in that application.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":52763269398709,"sku":"BKKY-539-845","price":65.4,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RB_539845_Fro.jpg?v=1783146001","url":"https:\/\/www.partcatalog.com\/products\/dorman-539-845-suspension-ball-joint-front-left-lower","provider":"PartCatalog","version":"1.0","type":"link"}