The Timing Drive components within this Engine Parts category are critical for synchronizing the rotation of the crankshaft and camshaft(s) in passenger cars and commercial vehicles. These parts ensure precise valve timing, which is essential for optimal engine performance, fuel efficiency, and emissions control. Timing Drive systems typically include timing belts, chains, tensioners, idler pulleys, and sprockets. Proper functioning of these components prevents engine damage from collisions between pistons and valves. Examples within this assortment include MAN timing belts (MPN 81473016067, 51055040122) and timing chain tensioners (MPN 51125030109, 81274210293, 81018106015).