4R100 Valve Body 1998-2004, remanufactured and ready to install. Fits the 4R100. Ships fast from the USA.
The 4R100 replaced the E4OD starting with the 1998 model year, and the earliest trucks to get it - 1998 and into 1999 - carried over some of the exact same valve body quirks Ford was still chasing on the outgoing E4OD, on top of problems unique to the new case. If your 1998-2004 F-250, F-350, F-450 or Excursion is slipping out of reverse, failing to upshift, flashing a false 4x4-low warning, or going into limp mode, this remanufactured valve body is built to the 4R100 specification across that full span.
Ford kept the E4OD's basic computer-controlled layout for the 4R100 - the valve body routes line pressure through its bores to apply each clutch and band, and the bolted-on solenoid block carries the shift and EPC solenoids the TCM pulses to time every shift - but strengthened the case and revised the hydraulic circuit for towing duty. See our 4R100 vs E4OD comparison for what actually changed under the new name.
Two checkball placement errors documented on 1996-98 production run straight into the first 4R100 model years: a missing green 1/4 in. checkball (F6TZ-7E195BB) at the BS2 location causes no-upshift with the computer commanding correctly, and a misplaced BS1 checkball causes slipping or no reverse - both are mechanical valve body faults, not solenoid failures, so a solenoid swap alone won't fix them. If your truck is 4x4 and throwing a false low-range signal instead, that points to the separate 4x4 switch circuit rather than the valve body itself. Our valve body symptoms and testing guide covers the vacuum-test method for confirming bore wear, and our common problems writeup covers the checkball and 4x4 signal issues in detail.
This valve body is built for the 4R100 as installed in 1998-2004 Ford F-250, F-350, F-450, F-53 chassis and Excursion with the 7.3L Power Stroke, 5.4L or 6.8L V10. It does not fit the earlier E4OD, which uses a different case and solenoid block generation - confirm your transmission is a 4R100 before ordering, or send your VIN if you are not sure. The full E4OD/4R100 parts collection covers both families.
Drop the pan and filter with the valve body swap so debris from the old failure doesn't circulate into the new unit, torque the bolts in sequence to spec rather than corner to corner, and refill with Mercon V ATF. Ford also issued a safety alert on these trucks for the OD cancel switch wire shorting against a steering column cover screw and blowing fuse 17 - worth a look if you have an unrelated throttle or OD warning alongside your shift complaint. On a higher-mileage truck, a matching solenoid kit or overhaul kit is worth checking alongside the valve body, since clutch and solenoid wear often show up together on these units. Clear codes and run the adaptive relearn after the swap.
| Fits | 4R100 1998-2004 |
| Part type | Valve Body |
| Condition | Remanufactured |
| Brand | OEM |
| Reference | F250 |
| Ships | From the USA |
| Warranty | 1-year |
Doing this repair right usually means replacing these at the same time. Same transmission, ships together.
Remanufactured, built to the 1998-2004 4R100 specification and backed by our 1-year warranty.
Yes, likely. A missing green checkball (F6TZ-7E195BB) at the BS2 location is a documented mechanical fault on 1996-98-production 4R100 and E4OD valve bodies that causes exactly this, separate from any solenoid or computer problem.
That matches a documented misplaced BS1 checkball on 1996-98-production units, which causes slipping or no reverse while leaving the rest of the valve body's function intact.
No. A false 4x4-low signal with early or late low-range shifts traces to the separate 4x4 switch circuit, not the transmission valve body.
Yes, if it has the 4R100 - this listing covers 1998-2004 F-250, F-350, F-450, F-53 chassis and Excursion with the 7.3L, 5.4L or 6.8L. It does not fit the earlier E4OD.
Mercon V ATF.
