Land Rover ERR6439 Drive Belt Tensioner and Idler Pulley Kit for Discovery 2 and Range Rover P38 Keep your engines drive belt system working at its best with this high-quality kit. Includes an OE-spectensioner assembly, an 80mm pulley idler, and a 70mm puller idler. Replaces Land Rover OE partsERR6439, PQR101150, and PQR500060 Fits the Land RoverDiscovery 2 (1999 - 2004), Range Rover P38 4.0(1995 - 2002), andRange Rover P38 4.6 (1995 - 2002) models.