Features: 1.REFERENCE OEM: The replacement OEM of rear upper spring seat is 98133350401. Replacement for Boxster 2009?2011, easy to install, bring you convenience. 2.IMPROVE STABILITY: Comprehensively improve the stability of car driving, thereby enhancing driver driving sense of smoothness and making drivers safer when driving. 3.SHOCK ABSORPTION: Rear spring seat can effectively reduce the vibration of the body, absorb some noise of the suspension system, reduce the tire noise of the car, and improve the driving comfort of the car. 4.HIGH PERFORMANCE: After a variety of performance tests at the factory, it meets or exceeds OEM standards and has high reliability, making it an ideal replacement for the old or broken one. 5.PUR MATERIAL: Made of PUR material, safe and eco friendly, not easy to be damaged and has strong toughness, which can ensure its stable use for a long time in harsh environments. Specification: Item Type: Rear Spring Seat_x000D_ Material: PUR_x000D_ Product OE: 98133350401_x000D_ Installation Location: Left or right_x000D_ Installation Method: Direct replacement installation_x000D_ Application: Replace worn and damaged original parts for better performance, filter excess vibration and reduce driving noise, effectively improve driving stability and comfort_x000D_ Fitment: Replacement for Boxster 2009-2011 PackageList: 1 x Rear Spring Seat