2003-04. 5.7 & 8.0 LITER. Evaporative Emissions System Leak Detection Pump Filter. Evaporative Emissions System Lines. Part serviced with Filter hose. To 11/26/2012. Vapor Canister Filter. hose. Air. Evaporative Emissions System Detection Unit. Evaporative Emissions System Lines. Vapor Canister. Included with: Connector tube.