Leak detect pump. Evaporative Emissions System Leak Detection Assembly. Evaporative Emissions System Leak Detection Pump. Part cannot be reused/reinstalled. detect. SUB - Assembly,. System Assembly. Included with: Canister, EGR valve, Housing, Leak Detection Pump, Outlet Assembly Part cannot be reused/reinstalled, Part cannot be reused/reinstalled vapor Canister, Pump Assembly, Pump Assembly Part cannot be reused/reinstalled, Valve Assembly, Valve Assembly Part cannot be reused/reinstalled, Vapor Canister, Vapor Canister Part cannot be reused/reinstalled, Vapor Canister Part is not reuseable, replace only, Vapor filter, Vapor separator.