Overhaul, friction and steel kit for the Honda MPOA and related 4-speed automatics in the 1990-1997 Accord, 1992-2001 Prelude and Acura Vigor.
Searching for a fix for a 1990s Honda Accord or Prelude automatic that slips into second, revs up between gears once it is hot, or barely pulls into Drive? This kit puts every clutch surface back in a Honda MPOA-family four-speed: a complete overhaul gasket and seal set, a full set of friction plates and a full set of steel plates. It covers the 1990-1997 Accord 2.2L, the 1995-1997 Accord 2.7L V6, the 1992-2001 Prelude 2.2L and 2.3L and the 1992-1994 Acura Vigor 2.5L, and it is the right box when the clutches are cooked but the shafts, gears and valve body are still serviceable.
The MPOA is part of the Honda 4-speed, 3-shaft family. Instead of bands and planetary sets it carries constant-mesh gears on a mainshaft, countershaft and secondary shaft, and each forward gear is locked to its shaft by its own wet clutch pack. Pressure from the valve body pushes a piston that clamps the frictions against the steels; release the pressure and the gear freewheels. That layout means one worn pack takes out one gear while the rest keep working, which is why so many of these cars show up slipping in second or third only. Fresh frictions restore the clamping surface, and new steels give them a flat, clean partner - glazed or heat-checked steels are a common reason a frictions-only job fails early.
Note which gear slips. If the slip is tied to one ratio, the pack for that gear is the likely problem; if every gear slips, check fluid level and line pressure first, because a low level or a weak pump makes all packs slip at once. The transmission slipping diagnosis guide walks through those checks in order. Clean, red fluid with erratic shift timing usually points to a shift solenoid or sensor fault, not a clutch rebuild.
The kit lists the Honda MPOA, APXA, MPXA, MPWA, PX4B, A6VA, BOYA, MP1A and MPJA codes from the CB7 and CD5 chassis era. Honda used several codes inside one model run - supplier catalogs list APX4 on 1991-1992 Accords, MPXA on 1993, MPOA on 1994-1997 wagons and 1994-1996 sedans, BOYA on 1996-1997, MP1A on the Prelude and MPJA on the Odyssey - so the code stamped on your case decides fitment, not the model year. Read it before ordering, or send us the code and VIN and we will check. If you also want the filter and bushings in the same box, compare the MPOA master rebuild kit. Other Honda overhaul parts are in our rebuild kits collection.
| Fits | Honda MPOA, APXA, MPXA, MPWA, PX4B, A6VA, BOYA, MP1A, MPJA |
| Vehicles | Accord 2.2L 1990-1997, Accord 2.7L 1995-1997, Prelude 2.2L/2.3L 1992-2001, Acura Vigor 2.5L 1992-1994 |
| Includes | Overhaul kit (seals, gaskets), friction plates, steel plates |
This kit combines the overhaul gasket and seal set with full friction and steel plate sets. A master kit adds parts such as a filter and bushings. If your bushings and filter are fine or bought separately, this kit covers the clutch and sealing job.
The code is stamped on the transmission case. Match it to MPOA, APXA, MPXA, MPWA, PX4B, A6VA, BOYA, MP1A or MPJA before ordering. If you cannot read it, send us the VIN and we will check fitment.
Use Honda ATF DW-1, which is Honda's current automatic fluid for these older units. Soak the new frictions in the same fluid before assembly.
This kit includes new steels, which is the safer route. Old steels that are glazed, blued or warped will burn new frictions quickly, so replacing both sets together is the most reliable repair.
Only if the shudder comes from worn clutch packs or contaminated fluid. A converter clutch shudder can come from the converter itself or its charge pressure circuit, so diagnose that first. The converter is not part of this kit.
