These numbers are the Color (paint) code, Trim Code, Axle Code, and Transmission Code. You will also need to check the first few digits of you VIN #. NOTE: V6 diffs are swappable with 4cyl and high pinion diffs.
T100/Tundra/Tacoma diff: All 2wd and 4wd T100's, '00-06 Tundra's, and? Sequoia's use a newer/stronger 8" 2-pinion diff. Tacoma 4x4's and Tacoma PreRunner's that don't come with the electric locker (aka "non-TRD), as well as V6 Tacoma 4x2's also came with this diff. This diff commonly and mistakenly called an 8.4" or 8.25" diff.
Greetings All, The diff code on my door jamb is A08A. Can't decode it, can you? Thanks. Toyota Differential Gear Guide.
I found this information about Toyota rear ends: The rear end gear sets of Toyota Celicas or Corollas (1976-1981) are color coded to ID the ratio. To check the ratio, look at the paint mark on the pinion nut. 330-orange, usually found in Celica liftbacks 342-purple, usually found on earlier Corollas 390-yellow, usually found on earlier Corollas.
4. Differential Codes: Toyota differentials also have specific codes that can help with identification. These codes provide information about the ring gear size, gear ratio, and whether it is an open or limited-slip differential.
For example, a code like B06C indicates a 3.91 gear ratio with a 2 pinion posi differential. Toyota - Differential IdentificationShop by your differential. Please select a rear end that matches your vehicle below.Toyota has a wide range of front and rear ends! We carry everything from 7.5" front and rear end parts, to the new Tundra 10.5" rear end parts.We make it easy to verify your exact rear end by providing specs and year, make, and model applications for each differential listed.
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A01A on a 2002 4Runner will be a completely different differential than A01A on a Tacoma or even on a 2003 4Runner! As the 2016 Tacoma is still the same frames/type as the 2005 to 2016, the axle codes go on from there.