{"product_id":"dorman-540-087-suspension-ball-joint-front-upper","title":"Dorman 540-087 Suspension Ball Joint - Front Upper","description":"\u003ch2\u003eDorman 540-087 Front Upper Ball Joint\u003c\/h2\u003e\u003cp\u003eDorman 540-087 is a threaded, press-in suspension ball joint for the front upper position on select GM and related vehicles. It is precision-engineered and tested as a direct replacement for the original equipment design, with fitment for Chevrolet Trailblazer, GMC Envoy, Saab 9-7x, and other listed applications.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFront upper suspension ball joint for select vehicles\u003c\/li\u003e\n\u003cli\u003eThreaded design with press-in mounting type\u003c\/li\u003e\n\u003cli\u003eSteel construction with grey finish\u003c\/li\u003e\n\u003cli\u003eDust boot included for joint protection\u003c\/li\u003e\n\u003cli\u003eGreaseable design for serviceability\u003c\/li\u003e\n\u003cli\u003ePremium suspension grade type\u003c\/li\u003e\n\u003cli\u003eMounting hardware included\u003c\/li\u003e\n\u003cli\u003e12 mm wrench size\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eProduct Details\u003c\/h2\u003e\u003cp\u003eThis Dorman suspension ball joint, part number 540-087, is built for the front upper suspension location and follows the OE-style geometry needed for proper steering and suspension operation. The steel body, polychloroprene dust boot, and greaseable construction support long-term service in demanding front-end applications. It cross-references MOOG Chassis Products K6664 for the same application.\u003c\/p\u003e\u003cp\u003eCompatible With 2002-2009 Chevrolet Trailblazer, front upper; 2002-2009 GMC Envoy, front upper; 2005-2009 Saab 9-7x, front upper; 2003-2008 Isuzu Ascender, front upper; 2004-2007 Buick Rainier, front upper; 2003-2006 Chevrolet SSR, front upper; 2002-2006 Chevrolet Trailblazer EXT, front upper; 2002-2006 GMC Envoy XL, front upper; 2004-2005 GMC Envoy XUV, front upper; and 2002-2004 Oldsmobile Bravada, front upper.\u003c\/p\u003e\u003ch2\u003eWhat It Helps Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFront-end looseness or play from a worn upper ball joint\u003c\/li\u003e\n\u003cli\u003eClunking or knocking noises over bumps\u003c\/li\u003e\n\u003cli\u003eUneven tire wear related to suspension wear\u003c\/li\u003e\n\u003cli\u003eSteering wander or reduced directional stability\u003c\/li\u003e\n\u003cli\u003eInspection failure caused by excessive joint movement\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\u003cp\u003eInstall this ball joint in the front upper suspension position only on the listed applications. Because it uses a press-in mounting type, proper suspension service tools and correct press procedures are important for installation. Verify the vehicle application, orientation, and torque specifications before final assembly. The pinch-style stud and 12 mm wrench size should be matched to the vehicle’s service requirements.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eDorman engineers this replacement ball joint to meet the needs of specific OE applications and subjects it to testing for reliable fit and function. Part number 540-087 is built as a premium suspension replacement for select Chevrolet Trailblazer, GMC Envoy, and related front upper applications.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":52763281359029,"sku":"BKKY-540-087","price":53.28,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RB_540087_Bac.jpg?v=1783147408","url":"https:\/\/www.partcatalog.com\/products\/dorman-540-087-suspension-ball-joint-front-upper","provider":"PartCatalog","version":"1.0","type":"link"}