Arnott's OES aftermarket air compressor P-2863 for GMT370 Platform long-wheelbase mid-size GM SUVs including the Chevrolet TrailBlazer EXT, GMC Envoy XL and Isuzu Ascender, are remanufactured by WABCO, the original equipment manufacturer. These units are fully tested and assembled in the USA by Arnott and ready to bolt in. This compressor comes complete with a dryer, mounting bracket, air fittings and vibration isolators. Arnott backs these remanufactured units with a Limited Lifetime Warranty.