Ford M5OD/M5R1 Transmission 5th & Reverse Slider W/36 Engagement Teeth Non-Updated Style M5R1-15 Ranger, Bronco ll, Explorer 4x4 5 speed manual transmission. This gear has 36 engagement teeth if you have the 30 Tooth gear please see our other listing. You can identify this transmission by tags on the side "E87A, E97A, FO7A, F17A" This transmission has an aluminum case and aluminum top cover. Note this transmission is called the M5R1 or M5OD. If you need anything else for your M5R1 Rebuild, Input, Cluster, Rebuild Kit, Etc. Please see our store!