This section lists the availability of select commonly needed 1955 parts. The other year’s units use the same names for parts, but have different part numbers in many cases. In stock are various NOS, new, and good used parts to assist rebuilders or do-it-yourself hobbyists.
Listed parts are in seven subassemblies as follows:
- Torque Converter Direct Drive Clutch Assembly
- Torque Converter Turbines and Sprag Clutch
- Front Pump and Clutch
- Planetary and Rear Pump
- Valve Body and Servos
- Casing and Attachments
- Rear Housing and Governor
If you don’t see it…….. call me at 540 846-5309
1955 Ultramatic Parts List
| Module 1 : TC Drive Clutch | ||||
| Packard PN | Description | Condition | Application | |
| 450678 | DD Disk | New | TC | |
| 450282 | Steel TC shell | Used | TC | |
| 410866 | Nose bushing | NOS/New | TC 2 needed | |
| *450660 | Casing o-ring | New | TC | |
| 450228 | Piston | Used | TC | |
| 423417 | Piston inner rings | New-hook | TC | |
| 450217 | Piston outer rings | Used | TC | |
| 423425 | Plate shims | Used | TC | |
| Module 2 : Turbine & Sprag | ||||
| Packard PN | Description | Condition | Application | |
| 465327 | Exterior housing | Used | TC | |
| 450670 | Casing Screws | Used | TC | |
| 6484522 | Outer Shaft | Used-new bushing | TC-40 tooth | |
| 6484522 | Outer Shaft | New-with bushing | TC-40 tooth | |
| 450257 | Outer Shaft | Used-new bushing | TC-20 tooth | |
| 450257 | Outer Shaft | New-with bushing | TC-20 tooth | |
| Outer Shaft Bush | Bushing alone | New | TC Outer shaft | |
| *421599 | Hub Gasket | New | TC Hub | |
| 450208 | Reactor Turbine | Used | TC | |
| 450213 | Inner Shaft | New-with bushing | TC | |
| 410865 | Shaft bushing | NOS | TC | |
| 450220 | Washer | Used | TC | |
| 470219 | Washer-tabs | NOS | TC | |
| 450209 | Hub Collar inner | Used | TC | |
| 423675 | Turbine Bowl | Used | TC | |
| 434425 | Turbine Top | Used | TC | |
| 450481-5 | Washer, variable | NOS | TC | |
| 450218 | Sprag Clutch | Used | TC | |
| 6480070 | Sprag Caps | NOS | TC | |