One new Jaguar brand fuel injector (made in Spain), part number EAC7874, bin 29 made in Spain.  The vehicle uses two different injectors, a short hose version (which this is) and a long hose version.  The corresponding Bosch part number is 0.280.150.164.  If any question check the part number of your old injector.  This fits:

• Jaguar XJS 5.3L V12 1982-06/1992 up to engine number 179736
• Jaguar XJ12 5.3L V12 1982-06/1992 up to engine number 179736