Quick view VDO Kitas2+ Smart Tachograph speed sensor - M18×1.5 Female VDO 2171-08010010Smart tachograph sensor: Kitas2+Compatible: DTCO 1381 - MTCO 1324 Application: See specificationsThread: M18x1.5 - FemaleImpulses per revolution: 8ISO15170 Connector: 4-Pole Blue-Grey