A vehicle's engine surely has many sensors to manage its vitals, timing, and functionality throughout the entire process of a combustion cycle. For the Crankshaft Position Sensors – these might very well be the most important sensors of them all – as they monitor and relay crankshaft positions data back to the control module. Without them, the fuel injection & ignition systems cannot function properly, or even function at all. HL Mando OE crankshaft sensors are the OE replacement units for Hyundai & Kia vehicles. Save yourself precious diagnosis time and give yourself a peace of mind, stick with HL Mando original equipment position sensors – We Are OE!