E4OD Overhaul Kit 1989-1995, new and ready to install. Fits the E4OD. Ships fast from the USA.
The early E4OD is now 30-plus years old, and the trucks still running it, 1989-1995 Ford F-250 and F-350 pickups and E-Series vans with the 7.3L IDI diesel, 460 and 351, tend to show the same signs: a hard-to-find leak, a pause before Drive engages, slipping when hot, and a lost overdrive. This new E4OD overhaul kit is listed for 1989-1995 units and is pictured with clutch frictions, a band, the filter, the gasket set, lip seals and the O-ring and sealing ring package for a complete reseal.
The E4OD was Ford's first electronically shifted heavy-duty four-speed. The computer picks the gear with shift solenoids and sets line pressure through the EPC solenoid, but every clutch is still applied by hydraulic pressure on a sealed piston. Thirty years of heat cycles harden those seals and the sealing rings on the drums and support. When they leak, the pressure the computer asks for never reaches the clutch, so the unit slips and burns its frictions. An overhaul kit renews all of those seals, gaskets and frictions in one teardown.
These trucks use EEC-IV, so codes are read with a code reader, not a newer OBD-II scan tool; our EEC-IV code reader does the job. Test the solenoid pack and connector next, as covered in our shift solenoid symptoms guide and E4OD common problems guide. Sonnax's vacuum test guide links worn main regulator valves to soft shifts and delayed Reverse, so a valve body can mimic worn clutches. Fix the cheap causes first; if the pan is full of friction material, rebuild.
This kit is listed for 1989-1995 E4OD units. Ford made changes inside that range that affect your rebuild:
Match your ID tag, or send your year and VIN and we will confirm before it ships. See every part for these units in the E4OD and 4R100 collection.
| Fits | E4OD 1989-1995 |
| Part type | Overhaul Kit |
| Condition | New |
| Brand | OEM |
| Ships | From the USA |
| Warranty | 1-year |
Doing this repair right usually means replacing these at the same time. Same transmission, ships together.
Yes, it is listed for 1989-1995. Note that 1995 units use the later solenoid block and pump casting, so any hard parts you buy separately must be 1995-specific.
A common cause is the overdrive piston retaining ring popping out, which Sonnax lists for the E4OD. A positive-lock replacement ring during the rebuild prevents a repeat.
MERCON V. Ford's original MERCON was discontinued in 2007 and MERCON V is the service replacement.
Check the casting. E9 and F1 castings have low output and are best replaced with a later F5 or F8 pump; an F5 casting is fine to rebuild.
These trucks use the EEC-IV system and need an EEC-IV code reader rather than an OBD-II scanner.
