{"product_id":"dorman-521-109-suspension-control-arm-and-ball-joint-assembly","title":"Dorman 521-109 Suspension Control Arm and Ball Joint Assembly - Front Left Lower","description":"\u003ch2\u003eReliable Suspension Control Arm and Ball Joint Assembly\u003c\/h2\u003e\u003cp\u003eThe Dorman 521-109 suspension control arm and ball joint assembly is engineered for Dodge and Jeep vehicles, including the Caliber, Compass, and Patriot models. Designed to restore proper suspension function, this assembly combines durability with precise fitment for light suspension grade applications.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePre-greased control arm and ball joint for immediate use\u003c\/li\u003e\n\u003cli\u003eIncludes rubber bushings and mounting hardware for complete installation\u003c\/li\u003e\n\u003cli\u003eSteel construction with casting\/forged control arm type for strength\u003c\/li\u003e\n\u003cli\u003ePress-in ball joint with pinch stud type, installed and ready\u003c\/li\u003e\n\u003cli\u003eCompatible with Dodge Caliber, Jeep Compass, and Jeep Patriot\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDurable Construction and Design Features\u003c\/h2\u003e\u003cp\u003eThis suspension control arm and ball joint assembly from Dorman is built with a steel control arm featuring a casting and forged design, providing a robust structure to withstand regular driving conditions. The assembly comes pre-greased, eliminating the need for additional lubrication during installation. Rubber bushings are included to absorb vibrations and reduce noise, enhancing ride comfort. The ball joint is press-in mounted with a pinch stud type and is installed, ensuring a secure fit and reliable steering response. The control arm measures up to 288.5 mm in width and 237 mm in length, with a single mounting hole of 12.3 mm diameter for precise alignment.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles and Part Number Details\u003c\/h2\u003e\u003cp\u003eThis Dorman suspension control arm and ball joint assembly, part number 521-109, is specifically designed for use with Dodge Caliber, Jeep Compass, and Jeep Patriot models. Its light suspension grade type suits vehicles requiring regular suspension performance without heavy-duty modifications. The black finish provides corrosion resistance and a clean appearance under the vehicle.\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\u003eLoose or failing ball joints leading to uneven tire wear\u003c\/li\u003e\n\u003cli\u003eSuspension noise or vibrations during driving\u003c\/li\u003e\n\u003cli\u003eMisalignment affecting vehicle handling and safety\u003c\/li\u003e\n\u003cli\u003eCorroded or weakened control arm compromising suspension integrity\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eInstallation of the Dorman 521-109 assembly requires basic suspension knowledge and tools. Since the ball joint is pre-installed and the control arm is pre-greased, the process is streamlined. Ensure the mounting hole aligns correctly with the vehicle frame and torque all mounting hardware to manufacturer specifications. No grease fitting is included, so no additional lubrication points are necessary. This assembly is not adjustable, so proper fitment is critical for optimal suspension geometry.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 521-109 suspension control arm and ball joint assembly undergoes rigorous quality checks to ensure durability and performance. While specific warranty details vary, Dorman typically offers a limited warranty covering defects in material and workmanship, providing confidence in the product's reliability.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":43989620326581,"sku":"BKKY-521-109","price":92.4,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RB_521109_Fro.jpg?v=1775007801","url":"https:\/\/www.partcatalog.com\/products\/dorman-521-109-suspension-control-arm-and-ball-joint-assembly","provider":"PartCatalog","version":"1.0","type":"link"}