VAG Belt Tensioner 04L109243AA

This VAG Belt Tensioner, part number 04L109243AA, is a critical component for maintaining the proper function of your vehicle's timing belt system. A functioning tensioner ensures that the belt remains at the correct tension, preventing slippage and premature wear. Proper belt tension is essential for synchronizing the rotation of the crankshaft and camshafts, which is vital for the engine's valve timing. A worn or faulty tensioner can lead to incorrect timing, resulting in poor engine performance, reduced fuel efficiency, and potentially severe engine damage. Crafted to meet VAG's stringent quality standards, this belt tensioner is built for durability and consistent performance. Replacing your belt tensioner as part of a regular maintenance schedule, especially when replacing the timing belt, is a proactive measure to safeguard your engine's health.

• Genuine VAG part for guaranteed compatibility
• Part Number: 04L109243AA
• Ensures correct timing belt tension
• Prevents belt slippage and premature wear
• Contributes to optimal engine performance
• Durable construction for long service life
• Recommended for timing belt replacement service