Part Type: Accessory Drive Belt Idler Pulley. Belt Idler Pulley. 2000 Jaguar S-Type Engine: 3.0L V6; Position: Grooved Pulley;. 2001 Jaguar S-Type Engine: 3.0L V6; Position: Grooved Pulley;. 2002 Jaguar S-Type Engine: 3.0L V6; Position: Grooved Pulley;.