4R44E Banner Rebuild Kit 1997-2011, new and ready to install. Fits the 4R44E. Ships fast from the USA.
This 1997-2011 4R44E rebuild kit is aimed at four-wheel-drive Ranger, Explorer, Sport Trac and Mazda B-Series owners whose transmission slips, flares on the 2-3 shift, loses Reverse, or has a broken band. It is sold under our banner kit name, but the box goes further than a typical banner kit: new frictions, new steels, both front bands, two bushings and the deep 4x4 filter come with the gasket and seal set.
Not included: the reverse (rear) band and the torque converter. If your reverse band is glazed or broken, order it separately before you start.
Sonnax explains that the 4R44E arrived in 1995 behind the 2.3L and 3.0L, the 4R55E followed with the 4.0L, and from 1997 the same case became a five-speed, the 5R44E and 5R55E, by applying the front servo to get an overdriven first and fifth. That is why a 1997-2011 kit covers all three codes. The overdrive and intermediate bands are applied by servos, and the clutch packs handle the rest of the shifts, so a single weak circuit can wipe out a band or a pack.
Sonnax ties delayed Reverse, 1-2 and 2-3 flares, broken bands and blown servo piston seals to leakage in the EPC circuit of the valve body. Fresh bands and frictions will fail the same way if that leak is still there, so check line pressure and EPC response first. Our 5R55 harsh and delayed shift walkthrough lays out the pressure checks, and the servo pin bore wear guide shows why worn servo bores in these Ford five-speeds burn bands.
Listed for 4R44E, 5R44E and 5R55E transmissions in 1997-2011 Ford, Lincoln, Mazda and Mercury vehicles that use the 4WD/4x4 filter. Ford made many valve body, separator plate and solenoid changes through those years, and two-wheel-drive trucks take a shallower filter. Read the tag on the case and check your drivetrain before ordering; a two-wheel-drive truck should use our 1997-2011 4R44E master kit with the 2WD filter. The 5R55W and 5R55S are different transmissions and do not use this kit. Send us your year and VIN if you want fitment confirmed, and see the related parts on the 5R55 transmission page.
Soak the frictions and new bands in fluid before assembly. Press in the new pump bushing and the extension housing bushing and replace the rear seal at the same time so the yoke rides true. Check the servo bores for wear before you trust the new bands, and air-test each clutch and servo once the unit is assembled. If the valve body shows EPC or end plug leakage, rebuild or replace it now; a new 4R44E solenoid kit helps when the shift solenoids are tired. Refill with the Ford MERCON-family fluid listed in your owner's guide and let the PCM relearn shift pressures over the first drives.
| Fits | 4R44E 1997-2011 |
| Part type | Banner Rebuild Kit |
| Condition | New |
| Brand | OEM |
| Ships | From the USA |
| Warranty | 1-year |
No. The kit includes the overdrive band and the intermediate band only. The reverse (rear) band and the torque converter are not included.
Yes. Even though it is listed as a banner kit, it includes new steels along with the frictions, the gasket and seal set, two bands, two bushings and a 4x4 filter.
The clutches, bands and seals fit, but the filter in this kit is the deeper 4x4 style. Two-wheel-drive trucks need the 2WD filter, so use our 2WD-filter 1997-2011 master kit or swap the filter.
Yes. From 1997 the 4R44E case became the five-speed 5R44E and 5R55E, and this kit is listed for all three. It does not fit the 5R55W or 5R55S, which are different designs.
Sonnax links broken bands and servo seal blowout in this family to EPC circuit leakage in the valve body. Fix the valve body and check the servo bores during the rebuild, or the new bands can fail the same way.
