The XCL G13 is a "Lobrid" technology liquid containing MEG, glycerol, mineral (silicate) and organic inhibitors. Compatible with other MEG-based liquids. The XCL G13 meets all specifications from TL-774 J. Free from nitrite, phosphate, borate and amine. ALWAYS CHECK THE MANUFACTURER CAR MANUAL BEFORE USE. It is recommended to drain the circuit before any coolant change.