Quick view VDO Kitas2+ Smart tachograph sensor - M18x1.5 - Element 23.8mm - Ring - Lead free 2171-20100335-A3C0641740120 Smart Tachograph sensor: Kitas2+ For VDO-Stoneridge-Bosch-EFAS Application data sheet on request Thread: M18x1.5 - Male Element 23.8mm - O-Ring ISO15170 Plug 4-Pole Natural