This Mostplus Control Arm & Ball Joint Assembly (part number M48221) is designed for the Center Upper position on a 1999-2004 Grand Cherokee. The Mounting style is Bolt-On, and it comes with a Bushing included. Made of durable Steel material, it is a non-Vintage part suitable for use in modern vehicles. This Control Arm & Ball Joint Assembly is a Standard Duty part that boasts 100% Accuracy of Fit and is Easy to Replace. It is not a Universal Fitment and is not intended for Performance use. The OE/OEM Part Number is MS251073, and it is manufactured in China. This item is categorized under Control Arms, Ball Joints & Assemblies, and is part of the Steering & Suspension section of the Car & Truck Parts & Accessories category Motors.