This is a NEW replacement housing-frame made to replace the John Deere HCT magneto housing or frame. This is not an OEM part. The use of part numbers or letters is intended for reference only. This will fit all sizes of John Deere type E low tension magnetos 1 1/2, 3 & 6hp. Armature spacer shims and ground brush are included. These are made in the USA by one of the finest magneto shops in the U.