100 years of OE experience, supplier to the world's top automakers, OE Heritage and knowledge built into every aftermarket part. Product Features:No spacers or washers are required and they come with gaskets for an exact fit, saving time and laborAll parts used in the manufacture process are Delphi validated, tested and matched to the vehicle application, and manufactured in a Delphi ISO certified facilityDelphi's OE line of EGR valves provides accurate exhaust flow and emission controlAvailable in port, back pressure, and linear configurations to cover many engine applicationsDesigned and built using high-temperature and corrosion-resistant materials that perform exceptionally under all engine environmentsEach valve and seat is precision machined, helping to maintain long-term stability and performanceNo audible regulator noise