Genuine OEM Volkswagen Engine Timing Chain Tensioner, part number 03F109507F. This vital component is responsible for maintaining the correct tension on the engine's timing chain, ensuring precise synchronization of the crankshaft and camshafts. It is located within the engine's timing cover assembly. Constructed from durable metal and plastic components, weighing approximately 0.151 kg, this genuine OEM tensioner provides reliable and consistent chain tension, which is critical for preventing catastrophic engine damage and ensuring long-term engine reliability.

Catalogue entry: TENSIONER.

Fitted with: 03F109158J timing cha, 03F109469E RAIL, 03F109509F SEATRUNNER.