Jaguar XR81856. Check engine, vehicle variant and VIN limits before ordering. The following fitment information comes from the Jaguar catalogue for this exact part number.
XJ (X350) 2003–2009
Propshaft-Automatic Gearbox (6 Speed Auto Transmission ZF 6HP28,6 Speed Auto ZF 6HP26 Steptronic,automatic)
S-Type (X200) 1999–2008
Propshaft-Automatic Gearbox (6 Speed Auto Transmission ZF 6HP28,6 Speed Auto ZF 6HP26 Steptronic,automatic)