Jaguar C2S5742. Check engine, vehicle variant and VIN limits before ordering. The following fitment information comes from the Jaguar catalogue for this exact part number.
X-Type (X400) 2001–2010
Bumper-Rear-Estate-From (V) J39906 (4 Door Estate)((V)FROMJ39906)
Bumper-Rear-Saloon-From (V) J39906 (4 Door Saloon)((V)FROMJ39906)