{"product_id":"suspensia-x31bj0402-suspension-ball-joint-front-upper","title":"Suspensia X31BJ0402 Suspension Ball Joint - Front Upper","description":"\u003ch2\u003eSuspension Ball Joint for Mercedes-Benz Front Upper\u003c\/h2\u003e\u003cp\u003eSuspensia X31BJ0402 is a suspension ball joint built for front upper applications on select Mercedes-Benz models. It features a threaded M18 stud, a steel housing, a rubber dust boot, and a pre-greased design for direct replacement service.\u003c\/p\u003e\u003cp\u003eManufactured in Turkey in IATF16949 certified factories, this part reflects Suspensia’s OE-focused production background through ISC Industries, which supplies Tier 1 and Tier 2 customers worldwide.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003ePart number: X31BJ0402\u003c\/li\u003e\n\u003cli\u003eStud thread size: M18\u003c\/li\u003e\n\u003cli\u003ePre-greased for installation-ready service\u003c\/li\u003e\n\u003cli\u003eDust boot included; black rubber boot material\u003c\/li\u003e\n\u003cli\u003eSteel housing with composite bearing material\u003c\/li\u003e\n\u003cli\u003eLocking nut included\u003c\/li\u003e\n\u003cli\u003eNon-greaseable, regular grade design\u003c\/li\u003e\n\u003cli\u003eThreaded ball joint stud type\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eSuspensia X31BJ0402 is a front upper suspension ball joint for Mercedes-Benz 300SD, 300SDL, 300SEL, 350SDL, 380SE, 380SEC, 380SEL, 420SEL, 500SEC, 500SEL, 560SEC, and 560SEL applications. It is built with a steel housing, black rubber boot, and composite bearing material to support steering and suspension articulation in the original mounting location. The M18 threaded stud and included locking nut simplify replacement on the specified front upper position. This part cross-references Monroe Shocks \u0026amp; Struts (e.g., 172286, 182286) for the same application.\u003c\/p\u003e\u003ch2\u003eCommon Issues This Part Can Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFront suspension looseness or play\u003c\/li\u003e\n\u003cli\u003eClunking or knocking from the upper suspension area\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\u003eExcessive suspension joint movement during braking or cornering\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify the front upper position and M18 threaded stud specification before installation. Inspect the surrounding control arm and mounting points for wear, and replace any damaged components as needed. Because this ball joint is pre-greased and non-greaseable, no grease fitting is provided. Confirm vehicle-specific fitment by model and year before service on Mercedes-Benz 300SD, 300SDL, 300SEL, 350SDL, 380SE, 380SEC, 380SEL, 420SEL, 500SEC, 500SEL, 560SEC, and 560SEL applications.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eSuspensia parts are manufactured in Turkey in IATF16949 certified factories, with production backed by ISC Industries’ experience supplying OE Tier 1 customers including Ford, Fiat\/Chrysler, Volkswagen Group, and Renault\/Nissan, along with global Tier 2 suppliers.\u003c\/p\u003e","brand":"Suspensia","offers":[{"title":"Default Title","offer_id":52420815880373,"sku":"HDHN-X31BJ0402","price":49.48,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/IZ_X31BJ0402_Fro.jpg?v=1777817818","url":"https:\/\/www.partcatalog.com\/products\/suspensia-x31bj0402-suspension-ball-joint-front-upper","provider":"PartCatalog","version":"1.0","type":"link"}