{"product_id":"skp-sk521381-suspension-control-arm-and-ball-joint-assembly-rear-left-upper","title":"SKP SK521381 Suspension Control Arm and Ball Joint Assembly - Rear Left Upper","description":"\u003ch2\u003eRear Left Upper Control Arm Assembly\u003c\/h2\u003e\u003cp\u003eThis SKP suspension control arm and ball joint assembly is built for direct replacement service on select Ford, Lincoln, and Mercury applications. It matches the rear left upper position and supports precise suspension geometry for vehicles that need a dependable replacement part.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSuspension control arm and ball joint assembly for the rear left upper position\u003c\/li\u003e\n\u003cli\u003eDirect replacement format for straightforward service\u003c\/li\u003e\n\u003cli\u003eFits select Ford Explorer, Lincoln Aviator, and Mercury Mountaineer applications\u003c\/li\u003e\n\u003cli\u003eCross-references Dorman - OE Solutions 521-381 and MOOG RK620668 for the same application\u003c\/li\u003e\n\u003cli\u003eSK521381 part number for ordering and catalog lookup\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eSK521381 is a rear left upper suspension control arm and ball joint assembly made for specific Ford Explorer, Lincoln Aviator, and Mercury Mountaineer fitments. It is the correct style of replacement when the original upper control arm and ball joint assembly has wear, looseness, or damage that affects suspension alignment and road feel. This part cross-references Dorman - OE Solutions 521-381 and MOOG RK620668 for the same application. Use SK521381 when servicing 2002-2005 Ford Explorer, 2003-2005 Lincoln Aviator, or 2002-2005 Mercury Mountaineer rear left upper suspension locations.\u003c\/p\u003e\u003ch2\u003eCommon Issues This Part Can Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eExcessive play in the rear suspension linkage\u003c\/li\u003e\n\u003cli\u003eClunking or knocking from a worn control arm assembly\u003c\/li\u003e\n\u003cli\u003eUneven tire wear caused by suspension looseness\u003c\/li\u003e\n\u003cli\u003eAlignment instability after component wear\u003c\/li\u003e\n\u003cli\u003eReduced handling precision in the rear suspension\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify the rear left upper position and confirm vehicle fitment before installation. Inspect related suspension bushings, fasteners, and alignment settings during service, and perform a wheel alignment after replacement if required by the repair procedure.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eSKP replacement suspension components are cataloged for direct-fit service applications and are identified by part number SK521381 for accurate ordering and verification.\u003c\/p\u003e","brand":"SKP","offers":[{"title":"Default Title","offer_id":53258124755125,"sku":"GQLW-SK521381","price":82.06,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/5K_SK521381_Fro.jpg?v=1789192575","url":"https:\/\/www.partcatalog.com\/products\/skp-sk521381-suspension-control-arm-and-ball-joint-assembly-rear-left-upper","provider":"PartCatalog","version":"1.0","type":"link"}