Material: Plastic and Metal OEM Number: 058109088K, 058109088D, 058109088L, 058109088E Item Size: 15 cm x 14 cm x 12 cm Manufacturer: DR-TCT001 Interchangeable With: 058109088L, 058109088E Operating Mode: hydraulic System Country of : China Vehicle Fitment: Compatible with A4 B5 (1996–2005) and A6 (1997–2006) This camshaft timing chain tensioner helps maintain proper timing chain tension in the engine.It is designed to support accurate camshaft timing, consistent engine performance, and fuel efficiency.Constructed with plastic and metal components, the unit features a compact design that fits into confined engine spaces.The hydraulic system delivers steady tension.This part is engineered as a direct replacement for the component in applicable vehicle systems.