One new original Jaguar brand gear shift knob (made in Spain), part number C2S46870 BIN 22. This fits:
Jaguar XK8 4.2L 2005 - 2006
Jaguar XKR 4.2L 2005 - 2006
Jaguar X-Type 2.5L 2002 - 2005
Jaguar X-Type 3.0L 2005 - 2008