OEM Left Camshaft Timing Chain Tensioner 078109087C, 078109087B/F For A4 B5/B6, A6 C4/C5, A8 D2, Allroad C5, B5 Material: grade aluminium OEM Numbers: 078109087C, 078109087B, 078109087F Design: Electric operating mode Item Size: 19cm x 11cm x 14cm Interchangeable with: 078109087B, 078109087F Country/Region of manufacture: The left camshaft timing chain tensioner is designed to maintain proper tension in the camshaft timing system.Constructed from grade aluminium, it supports durability and consistent.The electric operating mode enables accurate control for engine performance.With compact dimensions, the unit fits efficiently within the engine compartment.This tensioner is engineered for fitment on models including A4 B5/B6, A6 C4/C5, A8 D2, Allroad C5, and B5.It is intended for the left side of the engine, servicing cylinders 4-6, and is compatible with both petrol and engines.Designed as a direct replacement, it proper alignment and function within the timing system.