Sealey LDO50 Leak Detector Oil 500ml Features and Benefits: Using leak detection oil allows the technician to pinpoint all manner of system leaks including the air intake, cooling, evaporation, fuel, exhaust and vacuum systems. Does not damage vehicle components during use. Leak detector oil can be poured directly into the smoke diagnostic tool. Manufactured for use with Sealey Smoke Diagnostic Tools VS868, VS869 and VS870. Model No. LDO50 Commodity Code: 8543900000 Country Of Origin: GBR Brand: Sealey