MPN:4921728 Fits:For Cummins ISX Features: High quality Easy installation Easy to operate Note: 1-First, to confirm this part fits your vehicle, please enter your vehicle’s year, make, model, trim and engine into the compatibility chart. 2-Make sure the OE number matches the part you are replacing. 3-Please be very careful when checking our photos, make sure the photo shown is the same as your wanted. Package: 1pc EGR Engine Differential Pressure Sensor, 2pcs Rings (as picture shown)