Part Type: PTO Drive Shaft. 1x PTO Drive Shaft. Tractor End: 1-3/8″ x 6 Spline. Shaft Material: Steel. Compressed Length: 39 in / 1000 mm. Extended Overall length: 55 in / 1400 mm. 4x Up & Down Oxygen Sensor For Land Rover Discovery 4.0L 1999-2002 234-4694.