Arnott's popular rear air spring A-2105 for the 1990-2011 Lincoln Town Car, and 1992-2011 Ford Crown Victoria and Mercury Grand Marquis enables you to quickly replace your leaking air spring. This air spring is assembled and tested for Arnott by world-renowned Continental. The air spring is made with a high impact resin top and bottom mount, a multi-ply ContiTech air sleeve and includes a new seal kit. The air spring bladder has a tested burst pressure of more than 480 PSI ... six times its normal working pressure! Arnott recommends changing the Dryer when replacing air springs. Moisture in your system may damage the compressor.