The Mevotech GS30173 Front Passenger Side Upper Control Arm and Ball Joint Assembly is engineered to restore your vehicle's suspension system to its original performance standards. Designed for specific Nissan Frontier models from 1998 to 2004, this assembly ensures precise wheel alignment and optimal handling, addressing common issues such as uneven steering and excessive tire wear. Constructed with thicker forgings, it reduces flexing and twisting, enhancing durability and extending service life. The pre-fitted ball joint and bushings simplify installation, reducing labor time and associated costs. With a 5-year or 60,000-mile limited warranty, this assembly offers reliable performance for daily driving needs.