We can provide quality Ford S6-650 manual transmission parts and rebuild kits.  Our kits are designed to be professional top of the line kits. Information on how to identify individual transmissions, application information, model year, detailed kit and part availability by transmission type is provided.  These ZF transmissions are rear wheel drive (RWD) and are typically used in Ford in pickup trucks requiring 6 speed applications. The S650 is found behind diesel engines of 1998 and up Ford Super duty and stripped chassis up to a gross combined weight of 26,000 lbs. The unit weighs in at 230 lbs. Our kits are professional kits, some hardparts are available, sometime we can supply good used parts (take out parts) to help save you money! Call toll free 800-216-1632.


Our kits include main case bearings, gaskets, seals. Syncro rings are sold separately in sets.


A unique feature of this unit is an internal oil pump driven off the front of the countershaft that circulates the lube to a trans cooler. An easy way to identify this unit is by the cooling lines mounted to the case as found in automatic transmissions.


Follow this link to find application chart and overhaul kits and hard parts for the ZFS6 Ford F350 and Super Duty 1999-later manual transmission.