HENGST Oil Filter for Audi A6 & Q7 2004-2014 The HENGST Oil Filter designed for Touareg V6 and V8 engines with reference E100HD28 is a critical component for your vehicle's engine. It effectively filters impurities and contaminants from the engine oil, ensuring clean and properly lubricated oil reaches vital engine components. This is essential for maintaining smooth engine operation and prolonging its lifespan. Regularly replacing the oil filter is crucial for engine health. HENGST is a reputable brand known for producing high-quality filtration products. Including this filter in your vehicle's routine maintenance helps ensure your engine continues to operate at its best.