Turbocharger Insulation Cover - Engine Turbocharger Heat Shield, Exhaust System Insulation Shield - Isolates the heat generated by your turbocharger, preventing it from damaging other components or causing a fire. It also protects the surrounding components around the engine compartment turbocharger, such as plastics and...Rubber HosesAnd wires, surface coatings on engine compartments and hoods. Additionally, it can prevent damage caused by the local high-temperature areas of the engine itself.