Ford ZF Truck 6 Speed 1998-on S6-50 transmission rebuild kit. This transmission rebuild kit is for a Ford ZF Truck with the 6 Speed transmission that has an aluminum case and is rear loaded. This transmission will have a cast of "1319" on the case. This kit includes all the main shaft and rear tappered roller bearings, an input pocket bearing, counter shaft bearings, cup plugs, an input shaft slinger / shield and front and rear seals. All of the included parts are displayed in the picture.