Jaguar XJ40 XJS Speedo drive Speedometer Sensor 86-92 models. 

used condition, Working order.

Suitable for 86-89 model year XJ40 up to VIN 667827.

DBC6296

DBC3093

DBC2632- This can potentially be adapted for use on XJS too, as the sensor and plug is the same, but the cable length may require adjustment though. Very much a best compromise if the original XJS part cannot be sourced.