Front Inner Sway Bar Bushings (TD4559W) by Delphi®. Quantity: 2 per Pack. One of the most under-appreciated yet incredibly important mechanical components hiding underneath their vehicles is the stabilizer bar bushings. Located on the undercarriage of your vehicle and engineered to reduce road noise, they absorb bumps and cracks in roads and deliver a softer ride, the stabilizer bar is supported with rubber bushings that keep the vehicle's body from rolling as it navigates turns.