{"product_id":"dorman-521-887-suspension-trailing-arm","title":"Dorman 521-887 Suspension Trailing Arm - Rear Upper","description":"\u003ch2\u003eOverview of Dorman Suspension Trailing Arm 521-887\u003c\/h2\u003e\u003cp\u003eThe Dorman Suspension Trailing Arm 521-887 is engineered for reliable suspension performance on select Buick, Chevrolet, GMC, Isuzu, Oldsmobile, and Saab models. Designed with durable steel construction and coated finish, this trailing arm supports vehicle stability and handling for models like the Chevrolet Trailblazer and GMC Envoy.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eConstructed from high-strength steel with a coated finish for corrosion resistance\u003c\/li\u003e\n\u003cli\u003eIncludes black rubber bushings for vibration dampening and noise reduction\u003c\/li\u003e\n\u003cli\u003eLength of 262.5 mm to match OEM specifications\u003c\/li\u003e\n\u003cli\u003ePress-in type end 2 for secure attachment\u003c\/li\u003e\n\u003cli\u003eWelded attachment type for structural integrity\u003c\/li\u003e\n\u003cli\u003eCompatible with Buick, Chevrolet, GMC, Isuzu, Oldsmobile, and Saab SUVs and trucks\u003c\/li\u003e\n\u003cli\u003ePart number 521-887 ensures exact fit for specified models\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThis Dorman suspension trailing arm 521-887 is designed to replace the original trailing arm on vehicles such as the Chevrolet Trailblazer, GMC Envoy, and Buick Rainier. Made from durable steel with a protective coated finish, it resists rust and wear over time. The black rubber bushings included help absorb road vibrations and reduce noise, contributing to a smoother ride. The trailing arm measures 262.5 mm in length and features a press-in end type for proper fitment. Its welded attachment type ensures a strong connection to the vehicle’s suspension system. This part is not adjustable and does not include ball joints or mounting hardware, so existing hardware should be reused or replaced separately as needed.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRestores proper suspension alignment and geometry\u003c\/li\u003e\n\u003cli\u003eEliminates clunking or knocking noises from worn trailing arms\u003c\/li\u003e\n\u003cli\u003eImproves vehicle handling and stability on Buick, Chevrolet, and GMC SUVs\u003c\/li\u003e\n\u003cli\u003eReplaces damaged or corroded trailing arms to maintain safety\u003c\/li\u003e\n\u003cli\u003eAddresses excessive vibration or uneven tire wear caused by faulty suspension components\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eVerify compatibility with your specific make and model before installation\u003c\/li\u003e\n\u003cli\u003eUse appropriate tools to press in bushings securely\u003c\/li\u003e\n\u003cli\u003eInspect and replace mounting hardware if worn or damaged, as it is not included\u003c\/li\u003e\n\u003cli\u003eEnsure proper torque specifications are followed during installation\u003c\/li\u003e\n\u003cli\u003eProfessional installation is recommended for suspension components\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDorman suspension parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 521-887 trailing arm undergoes rigorous quality control to ensure durability and performance. While specific warranty details may vary, Dorman typically offers limited warranties covering defects in material and workmanship. Consult product documentation or the supplier for exact warranty terms.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":43997482090677,"sku":"BKKY-521-887","price":66.13,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RB_521887_Fro.jpg?v=1775007942","url":"https:\/\/www.partcatalog.com\/products\/dorman-521-887-suspension-trailing-arm","provider":"PartCatalog","version":"1.0","type":"link"}