Genuine OEM Volkswagen Timing Belt with Tensioning Roller Kit, part number 04L198119J. This comprehensive kit is essential for synchronizing the engine's camshaft and crankshaft, while the tensioning roller maintains correct belt tension. Weighing approximately 1.23 kg, the kit ensures all components work in harmony. Using a genuine OEM timing belt kit guarantees factory-specified materials, precise tooth profiles, and correct tensioning, critical for preventing catastrophic engine damage and ensuring reliable performance.