{"product_id":"dorman-520-143-suspension-control-arm","title":"Dorman 520-143 Suspension Control Arm - Front Left Upper","description":"\u003ch2\u003eReliable Suspension Control Arm for Buick, Chevrolet, GMC, and More\u003c\/h2\u003e\u003cp\u003eThe Dorman 520-143 suspension control arm is engineered to restore precise handling and suspension performance for select Buick, Chevrolet, GMC, Isuzu, Oldsmobile, and Saab models. Designed with durable steel construction and a coated finish, this control arm offers dependable service for vehicles like the Trailblazer, Envoy, and Ascender.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eConstructed from high-strength steel with casting and forging for durability\u003c\/li\u003e\n\u003cli\u003eIncludes a black rubber bushing with a 14.3 mm inside diameter for effective vibration absorption\u003c\/li\u003e\n\u003cli\u003eCoated finish resists corrosion and extends part life\u003c\/li\u003e\n\u003cli\u003eWelded ball joint mounting type with threaded stud (ball joint not included)\u003c\/li\u003e\n\u003cli\u003eCompatible with multiple GM and related models including Buick Rainier and Chevrolet SSR\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDurable Construction and Design Features\u003c\/h2\u003e\u003cp\u003eThis suspension control arm features a robust steel build combining casting and forging processes to ensure structural integrity under demanding driving conditions. The black coated finish provides corrosion resistance, helping maintain performance over time. The included rubber bushing, sized with a 14.3 mm inside diameter and 39.6 mm outside diameter, is designed to reduce noise and absorb road vibrations effectively. The ball joint mounting is welded with a threaded stud type, allowing for secure attachment (note that the ball joint itself is not included). Measuring 262.5 mm in overall length, this control arm fits precisely within the suspension system of compatible vehicles.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicle Applications\u003c\/h2\u003e\u003cp\u003eThis Dorman 520-143 control arm is compatible with a range of vehicles including Buick 9-7x and Rainier, Chevrolet Trailblazer, Trailblazer EXT, SSR, GMC Envoy, Envoy XL, Envoy XUV, Isuzu Ascender, Oldsmobile Bravada, and Saab 9-7x. It is designed to meet the suspension requirements of these models, ensuring proper fit and function.\u003c\/p\u003e\u003ch2\u003eCommon Suspension Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eWorn or damaged control arm bushings causing steering instability\u003c\/li\u003e\n\u003cli\u003eExcessive suspension noise or vibration\u003c\/li\u003e\n\u003cli\u003eMisalignment leading to uneven tire wear\u003c\/li\u003e\n\u003cli\u003eLoose or compromised ball joint mounting points\u003c\/li\u003e\n\u003cli\u003eCorrosion or structural fatigue in original control arm\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eInstallation of the Dorman 520-143 control arm requires removal of the old control arm and proper alignment of the new part. Since the ball joint is not included, ensure the existing ball joint is inspected and replaced if necessary. Use appropriate torque specifications for mounting bolts and verify bushing seating. This control arm does not include mounting hardware, so retain or source necessary bolts and brackets separately.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDorman suspension components are manufactured to meet or exceed OEM standards for fit, form, and function. The 520-143 control arm undergoes rigorous quality checks to ensure durability and performance. While specific warranty details may vary, Dorman typically offers limited warranties covering defects in materials and workmanship.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":43979187847349,"sku":"BKKY-520-143","price":71.65,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RB_520143_Fro.jpg?v=1775007554","url":"https:\/\/www.partcatalog.com\/products\/dorman-520-143-suspension-control-arm","provider":"PartCatalog","version":"1.0","type":"link"}