AC Delco EGT Sensor --. 2017 Savana 2500 (submodel: Base, LS, LT) Catalytic Converter, Tier 3 Federal Emission System (NTB), ULEV 250 California Emissions (NUK). 2018 Savana 2500 (submodel: Base, LS, LT) Tier 3 Federal Emission System(Ntb); Ulev250 California Emissions(Nuk).
