Part Type: Accessory Drive Belt Tensioner Assembly. Fits 2004-2007 Cadillac CTS. 2004 Cadillac CTS Engine: 5.7L V8; Position: Main Drive;. 2005 Cadillac CTS Engine: 5.7L V8; Position: Main Drive;. 2006 Cadillac CTS Engine: 6L V8; Position: Main Drive;.
