Vehicle Compatibility: The pair of front quick struts is compatible with 2008-2010 Dodge Avenger 2.7L, 2011-2014 Dodge Avenger 3.6L, 2011-2014 Chrysler 200 2.4L Sedan, 2007-2010 Chrysler Sebring 2.7L/3.5L Sedan Safe & Simple Installation: Features buckle holes that correspond with existing ones in the vehicle, so it can be easily replaced without disassembling previous strut structure Up to standard: Complete package includes struts, coil springs (if needed), mount, boot, bumper kit, spring seat, and isolator. All components are built to meet performance requirements Replacement Part Numbers: 271131, 271130 Existing struts should be replaced if your vehicle: 1) makes abnormal sounds, 2) dips when carrying heavy loads or driving on poor roads, 3) suffers leakage, 4 suffers tire wear, 5) is difficult to control, 6) has poor stability(NOTE: Professional installation would be highly recommended)