OEM / Interchange Numbers:312773054 505-00158 505-56322 513-00276 513-00387 513-59426, 521-411 521-416 59426 7S4Z5500A 98AG5K743AF BS1A2 BV6Z5500D, K641244 K641985 K660012 Compatible cars:Compatible with C30 C30 Volvo Rear Driver & Passenger Side Upper & Lower Control Arm Set Compatible with Focus Focus Ford Rear Driver & Passenger Side Upper & Lower Control Arm Set Compatible with Focus Focus Ford ZX4 Rear Driver & Passenger Side Upper & Lower Control Arm Set Compatible with Focus Focus Ford ZX4 ST Rear Driver & Passenger Side Upper & Lower Control Arm Set Compatible with Focus Focus Ford Sedan Compatible with S40 S40 Volvo T5 Compatible with S40 S40 Volvo 2.4i Compatible with S40 S40 Volvo Quality Specifications: HAWK BROTHER uses strict manufacturing standards and is electroplated to enhance corrosion protection and extend control arm life. We add lubricant to the product for smooth installation. All control arms are rigorously tested to provide a reliable replacement: stable performance and high reliability. Regular Replacement: Regular replacement of your car's suspension kit will improve your ride comfort. Control arms with silicone bushings can effectively reduce road noise and improve safe driving. Not only make your car safer on the road but also make your driving experience more enjoyable and smooth. Note: Before placing an order, please check your car model in the Amazon accessories screening system. Don't just count the year, make, and model; check the compatibility tab, including notes. If you don't know if it fits, please send us your car's VIN. rear control arms upper lower control arm suspension kit