Arnott's air suspension compressor P-3243 for the 2013-2018 Cadillac XTS (Epsilon II) is a direct replacement for the original OE compressor from GM. Built to original equipment specifications, this compressor is an exact fit and connects directly into the vehicle's air lines and electrical connector. The Arnott compressor includes a mounting bracket, valve block and intake air hose for a fast plug and play installation. The Arnott aftermarket Cadillac compressor is a powerful, extremely compact, and lightweight compressor backed by Arnott's industry leading warranty.