This is a Johnson Evinrude Genuine OMC BRP Air Temperature Sensor 584491. This is a good used part. This came off of a 1998, 150 hp Evinrude. The rubber insert is a little crinkled. It is still usable that you might want to use yours if it is in better shape. BoxA2 Bin5 Return Policy on New (other) items: Since eBay require sellers to accept returns on new items for buyers, we ask that the buyer confirms this is the correct part they need before purchase if they have any doubt. All New and New (other) items that are installed on an application will not be accepted for a return.