Over time, your ball joints in your JL will wear out and you will need to replace them. Many times, they are made from durable materials, so it is not a part that you have to replace often, but it does wear down, especially the more you head off road. Ball joints are usually held in place with a steering linkage system and this system is needed to ensure that all areas of your steering system work together to move your vehicle and turn the wheels when you turn the steering wheel. Unfortunately, if you have bad ball joints or a steering linkage system, you need to make sure you replace them because if you do not, you may lose control of your JL. At Extreme Terrain, we offer you a wide selection of 2018 Jeep Wrangler JL steering linkage systems and ball joints. We are confident you will find the right priced part when you shop our online store.