Arnott's aftermarket air suspension compressor P-2982 for the 2006-2011 Cadillac DTS and Buick Lucerne features a heavy-duty motor, epoxy-coated finish to prevent corrosion, new dryer, wiring harness and an intake air hose with filter. This pump, which includes a new mounting bracket and compressor cover, is built to original equipment specifications and is an exact fit, offering a fast and flawless plug-and-play installation.