
Gates idler pulley for 2004–2006 Audi A8 V8 4.2L is a replacement pulley specified for the idler position below the power steering. As a direct-fit service part it restores proper belt routing and tensioning where the original idler pulley has worn or failed, helping maintain accessory drive operation and prevent belt noise or slippage.
Gates 06-04 Audi A8 V-8 4.2L Idler Pulley - Below P.S.