Quick view VDO Kitas2+ Smart tachograph sensor - 7/8-18 UNS - Female 2171-03000025 Replaced by 2171-03000035 For VDO-Stoneridge-Bosch-EFAS Application data sheet on request Thread: 7/8-18 UNS - Female Thread depth on request ISO15170 Plug 4-Pole Blue-Grey