Toyota Differential Codes
The following is a table of Toyota differential codes. These codes are applicable to all Toyota models and years. You will find this code on the VIN plate in your car, typically on the firewall.
The code is comprised of four digits. The first digit is a letter that represents the ring gear diameter. The second and third digits are numbers that represent the differential ratio (Number of driveshaft rotations for each axel rotation). Lastly the fourth digit is also a number that represents the number of pinion gears and whether or not the unit is equipped with limited slip.
Examples
T382 |
= |
6.7" Ring Gear @ 3.417:1 ratio, 2 pinions w/o LSD |
F293 |
= |
7.5" Ring Gear @ 4.10:1 ratio, 2 pinions w/ LSD |
F303 |
= |
7.5" Ring Gear @ 3.727:1 ratio, 2 pinions w/ LSD |
Differential Codes
First Digit |
Second/Third Digit |
Fourth Digit |
Ring Size |
R&P Ratio |
Pinions/LSD |
A |
= |
138mm |
B |
= |
145mm |
C |
= |
6.25" |
D |
= |
6.62" |
E |
= |
7.1" |
F |
= |
7.5" |
G |
= |
8" |
H |
= |
9" |
J |
= |
9.25" |
K |
= |
9.5" |
L |
= |
10.5" |
M |
= |
12.5" |
N |
= |
13.5" |
P |
= |
14" |
R |
= |
162mm |
S |
= |
6.38" |
T |
= |
6.7" |
U |
= |
6" |
V |
= |
10.6" |
W |
= |
15.5" |
X |
= |
142mm |
Y |
= |
158mm |
|
01 |
= |
3.30 |
02 |
= |
3.36 |
03 |
= |
3.545 |
04 |
= |
3.556 |
05 |
= |
3.70 |
06 |
= |
3.889 |
07 |
= |
3.90 |
08 |
= |
4.111 |
09 |
= |
4.222 |
10 |
= |
4.375 |
11 |
= |
4.444 |
12 |
= |
4.625 |
13 |
= |
4.79 |
14 |
= |
4.875 |
15 |
= |
5.125 |
16 |
= |
5.286 |
17 |
= |
5.60 |
18 |
= |
5.714 |
19 |
= |
5.833 |
20 |
= |
6.167 |
21 |
= |
6.667 |
22 |
= |
6.78 |
23 |
= |
6.833 |
24 |
= |
7.64 |
25 |
= |
4.556 |
26 |
= |
5.571 |
27 |
= |
3.364 |
28 |
= |
4.30 |
29 |
= |
4.10 |
30 |
= |
3.727 |
31 |
= |
3.909 |
32 |
= |
6.591 or 5.583 |
33 |
= |
7.503 or 5.583 |
34 |
= |
6.781 or 4.786 |
35 |
= |
7.636 or 5.60 |
36 |
= |
4.778 |
37 |
= |
3.583 |
38 |
= |
3.417 |
|
2 |
= |
2/no LSD |
3 |
= |
2/LSD |
4 |
= |
4/no LSD |
5 |
= |
4/LSD |
|