[video] [/video] Description In automotive suspension, a control arm is also known as an A-arm. A control arm is a hinged suspension link between the chassis and the suspension upright or hub that carries the wheel. The inboard (chassis) end of a control arm is attached by a single pivot, usually a rubber bushing. Fitment 1999-2004 Jeep Grand Cherokee Rear Upper & Lower Features 1. 100% Brand New Items, Never Used Or Installed.2. Made of high-strength steel and durable Powder-Coated Finish.3. Improved suspension geometry to reduce bump steer.4. Rubber bushing for smooth ride comfort.5. Improves rear suspension with better handling and predictable response.6. Lubricated the necessary parts and filled enough grease in them, requiring no additional work.7. Direct bolt-on for OE factory or replacement. Quality testSpectrum AnalyzingSalt Spraying InspectionThree-coordinate MeasuringPulling-out Force InspectionPushing-off Force InspectionAging InspectionHardness InspectionEndurance Inspection Package Included 1 x Rear Upper Control Arm-- 52088422AB1 x Rear Upper Ball Joint-- K74502 x Rear Lower Control Arms-- K641869(Driver Side&Passenger Side) Warranty Warranty Period: 2 years.Return: Goods can be returned within 30 days for Unopened or Unused Items.24-Hour Support: Customer service throughout the day. Note: The suspension kit must be installed by professionals who need to carefully read important instructions shown in the picture. Please test in an empty area before getting back on the road. [specification] Specifications Brand YITAMOTOR Fitment Type Direct Replacement Part Type Control Arm Bushing Kit Greasable or Sealed Greasable Surface Finish Polished, Rust Protected OE Spec or Performance/Custom OE Spec Other Part Number 505-00155 513-00264 520-368 Interchange Part Number 52088355AB 52088422AB 522-476 K641869 K7450 Warranty 2 Year [/specification] California Residents: Prop 65 Warning WARNING: Cancer and Reproductive Harm Visit:www.p65warnings.ca.gov [des] - Pre-grease Ball Joint Assembly- Durability and Strength Electrophoretic Coated,- Dust Cover for Ball Joint, Dustproof and Protection- Direct bolt-on for OE factory- 2 Year Warranty [/des]