Fitment: Fit for Volvo Truck D13 FH FM. Reference OE Part Number: 21403962 22490386. Good quality pressure sensor, made of good quality, has strong stability and long-lasting durability. Powerful Function: Measure the pressure of the exhaust air intake in the common rail with sufficient accuracy and in a relatively short period of time. Easy Installation: You can replace the parts yourself with a regulator to solve your vehicle problems, just remove the old parts and replace them with new ones, saving you a lot of money and time as well as improving the usability of your vehicle. NOTE: Make sure these parts fit your vehicle before buying, check that the dimensions match, if they don't, they are susceptible to wear and tear, and can make the sensor not fully functional, and may even create a safety hazard. The sensors are manufactured to the same original equipment (OE) specifications as those produced by automakers to ensure proper system operation and restore vehicle performance without damaging the vehicle.