
A750E Valve Body 2005, used and ready to install. Fits the A750E. Ships fast from the USA.
Owners of a 2005 Tacoma, 4Runner or Lexus GX470 usually land on this page after the five-speed automatic starts banging into second, flaring on upshifts, or setting shift solenoid codes, and a shop has quoted a full rebuild. Often the clutches are fine and the problem is hydraulic control. This is a used factory A750E valve body listed for 2005, a lower-cost way to replace a worn or damaged assembly with an original Aisin unit instead of a remanufactured one.
The A750E was only in its third model year in 2005, and that same year Toyota launched the second-generation Tacoma with this transmission behind the 4.0 V6. Every shift in it is electronic. The computer reads vehicle speed, throttle and temperature, then energizes shift solenoids on the valve body; the valve body turns those signals into oil flow, stroking spool valves that send line pressure to the clutch or brake for the next gear while exhausting the last one. A linear solenoid controls line pressure and another controls the converter lockup clutch. If a valve sticks from debris, or a bore wears and leaks, the overlap between gears goes wrong, and you feel it as a bang, a flare or a shift that seems to hesitate.
A used valve body is a good value only if the valve body is actually the problem. Start with the fluid: level checked at the overflow plug at the correct temperature, and condition. Then scan for codes and compare commanded gear to actual gear on a road test. An electrical code often means a solenoid or the internal harness rather than the valve body itself, and those can be tested with a meter; our guide to testing solenoids without a factory scan tool covers that. Keep in mind Toyota names the same solenoid differently depending on whether you are reading the repair manual, the parts catalog or the scan tool. If the complaint is a shift that slides instead of a hard bang, read our shift flare versus slip guide before ordering.
This assembly is listed for the 2005 A750E, and the listing also carries an A760 reference. The A750 and A760 are related Aisin designs, but a complete valve body is matched to its transmission and calibration, so do not treat that reference as proof of interchange. Hold the old unit next to the listing photos and compare the casting, the solenoid count and the connector layout, or send us your year and VIN and we will confirm it before shipping. Four-wheel-drive versions are often labeled A750F. Because this is a used part, inspect it on arrival for damaged solenoid connectors or broken mounting points. If you would rather install a rebuilt unit, compare the remanufactured 2005-2009 valve body or the 2003-2007 version. All Aisin-built parts are on our Aisin transmission page.
Before installing, flush the assembly with clean fluid and make sure every valve moves freely; a used unit may have sat dry. If any solenoid on the incoming or outgoing unit tests out of range, replace it now with an A750E solenoid kit rather than pulling the pan twice. Install a new strainer and pan gasket, torque the valve body bolts to spec in the correct sequence, and refill with Toyota WS fluid only, setting the level at the overflow plug at operating temperature. Finish by clearing codes, resetting learned values, and driving the truck through every gear so shift adaptation can relearn. If the teardown shows burnt clutches, step up to an A750E overhaul kit.
| Fits | A750E 2005 |
| Part type | Valve Body |
| Condition | Used |
| Brand | OEM |
| Reference | A760 |
| Ships | From the USA |
| Warranty | 1-year |
Doing this repair right usually means replacing these at the same time. Same transmission, ships together.
It is a used original-equipment A750E valve body listed for 2005. It costs less than a remanufactured unit; if you want a rebuilt assembly, look at the 2005-2009 or 2003-2007 remanufactured A750E valve bodies we also carry.
Do not assume so. The A750 and A760 share design roots, but a complete valve body is matched to its own transmission and calibration. Compare castings and connectors, or send your year and VIN for a fitment check.
The automatic 2005 Tacoma with the 4.0 V6 uses the A750 five-speed. Rear-drive versions are generally coded A750E and four-wheel-drive versions A750F. Your transmission tag or VIN will confirm it.
Replace the strainer and pan gasket and refill with Toyota WS fluid. Test each solenoid, and replace any that are out of range so you do not have to drop the pan again.
Yes, if they test within spec and are not leaking. Keep each one in its original location, because the shift, line pressure and lockup solenoids are not interchangeable with each other.