Vehicle Compatibility - Compatible with Ford Crown Victoria 2003-2011, Lincoln Town Car 2003-2011, Mercury Grand Marquis 2003-2011/ Marauder 2003-2004Ford Crown Victoria 2003-2011, Lincoln Town Car 2003-2011, Mercury Grand Marquis 2003-2011/ Marauder 2003-2004. This set is specifically designed vehicles with steel control arms, ensuring a seamless installation and improved driving experience. Reference Part Numbers for Easy Identification - For easy cross-checking and compatibility, the following reference part numbers are provided:K80141. These numbers ensure you’re getting the right fit for your vehicle. Premium Quality Ball Joints - Each ball joint in this set features a steel ball stud and premium rubber bushings that work together to absorb vibrations and reduce noise. After installation, expect a noticeable improvement in handling, tire wear, and steering stability, allowing you to enjoy smoother, safer rides. One-Step Solution for Common Vehicle Issues - This set of ball joints includes a front lower driver side and passenger side ball joint, both equipped with premium rubber bushings that absorb vibration and noise effectively. After installation, issues such as crash sounds, unstable steering, uneven tire wear, and excessive vibrations can be significantly reduced, restoring comfort and stability to your ride. Greased Fitting for Extended Durability - Equipped with a greased fitting design, these ball joints ensure smooth lubrication flow, minimizing friction and reducing wear. The rust-resistant properties help extend the life of the components, so your vehicle maintains optimal performance even under demanding conditions.