{"product_id":"moog-rk621979-suspension-control-arm-and-ball-joint-assembly-front-left-lower-forward","title":"Moog RK621979 Suspension Control Arm and Ball Joint Assembly - Front Left Lower Forward","description":"\u003ch2\u003eOverview of Moog RK621979 Suspension Control Arm Assembly\u003c\/h2\u003e\u003cp\u003eThe Moog RK621979 suspension control arm and ball joint assembly is engineered for precise fitment on select BMW models. Designed to restore suspension performance, this assembly integrates rubber bushings and a threaded ball joint stud for reliable operation without the need for grease fittings.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eIncludes durable rubber bushings for vibration dampening\u003c\/li\u003e\n\u003cli\u003ePress-in ball joint mounting type with threaded stud\u003c\/li\u003e\n\u003cli\u003eControl arm maximum length of 15.840 inches\u003c\/li\u003e\n\u003cli\u003eCompatible with BMW 535i GT xDrive, 550i GT xDrive, 740Ld xDrive, 740Li xDrive, 750i, 750i xDrive, 750Li, and 750Li xDrive\u003c\/li\u003e\n\u003cli\u003eNon-adjustable design for direct replacement\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe Moog RK621979 suspension control arm and ball joint assembly is specifically designed for BMW vehicles including the 535i GT xDrive and 750Li xDrive models. This assembly features rubber bushings that help absorb road shocks and reduce noise, contributing to a smoother ride quality. The ball joint is press-in mounted and uses a threaded stud type, ensuring secure attachment and compatibility with factory suspension components. With a control arm maximum length of 15.840 inches, this part matches OEM specifications for proper suspension geometry and handling characteristics. The assembly does not include a grease fitting, reflecting a sealed design that requires minimal maintenance.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Problem Resolution\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRestores proper suspension alignment and handling on BMW 740Li xDrive and 750i models\u003c\/li\u003e\n\u003cli\u003eEliminates excessive play or looseness in the control arm and ball joint connection\u003c\/li\u003e\n\u003cli\u003eReduces vibration and noise caused by worn rubber bushings\u003c\/li\u003e\n\u003cli\u003eAddresses uneven tire wear related to faulty suspension components\u003c\/li\u003e\n\u003cli\u003eImproves steering response and vehicle stability\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eInstallation of the Moog RK621979 control arm assembly requires standard suspension tools and procedures. The press-in ball joint mounting type necessitates proper pressing equipment to ensure secure fitment without damage. Since the assembly is non-adjustable, alignment should be checked and corrected after installation to maintain optimal handling. The rubber bushings are pre-installed, simplifying the replacement process. No grease fitting is included, so no additional lubrication is required during installation.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eMoog suspension components are manufactured to meet or exceed OEM standards for durability and performance. The RK621979 control arm and ball joint assembly undergoes rigorous quality control to ensure fitment accuracy and long service life. While specific warranty details are not provided here, Moog typically offers limited warranties covering defects in materials and workmanship. Refer to official Moog documentation for complete warranty information.\u003c\/p\u003e","brand":"Moog","offers":[{"title":"Default Title","offer_id":51864883331253,"sku":"BCCH-RK621979","price":102.48,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/MO_RK621979_Top.jpg?v=1774733569","url":"https:\/\/www.partcatalog.com\/products\/moog-rk621979-suspension-control-arm-and-ball-joint-assembly-front-left-lower-forward","provider":"PartCatalog","version":"1.0","type":"link"}