Quick view VDO Kitas2+ RI Smart tachograph sensor - M18x1.5 - Element 63.2mm - Ring 2171-20002415 Replaced by 2171-20002425 For VDO-Stoneridge-Bosch-EFAS Application data sheet on request Thread: M18x1.5 - Male Element 63.2mm - Ring 1.2mm ISO15170 Plug 4-Pole Natural