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Toyota Tacoma Gears, Lockers, and Rebuild Kits
Ring and pinion gears, lockers, and overhaul kits for Toyota Tacoma trucks.



Toyota Tacoma Axle Parts

Gear Ratio Recommendations

Tire Size Highway OEM Towing
29" to 33" 4.30 4.56 4.88
34" to 36" 4.88 5.29 5.71
37" to 40" 5.29 5.29 5.71

Gear Ratio Calculator
Engine RPM Calculator
Locker Recommendations

Toyota Tacoma trucks are extremely capable off-road, especially when equipped with front and rear differential lockers. Some models came stock with an OEM rear e-locker but for those that did not and/or those wanting a front locker option, we highly recommend an Eaton E-Locker.



Toyota Tacoma Gen. 1 (1995 - 2004)

The following gears, lockers and install kits are available for 1995 to 2004 Toyota Tacoma 2wd and 4x4 trucks. All Gen. 1 Tacoma 4x4 models came with the reverse rotation Toyota 7.5" IFS front differential. All Tacomas with a factory rear electric locker came with the Toyota 8" TV6 rear axle and all 4x4 Tacoma trucks without the electric locker were built with the Toyota 8.4" rear axle. 2wd Tacoma trucks came with either the standard Toyota 7.5" rear axle or the larger Toyota 8.4" axle.



Front Toyota 7.5" IFS Clamshell
27 Spline / CV Shafts
50mm Bearing Journals
Reverse Rotation

Gears
4.56R
4.88R
5.29R
Install Kits
Master
Minor
Lockers
Eaton Elocker
ARB Air Locker

• 95-04 Tacoma has 50mm bearing journals.
• Will will not fit '86-04 4Runners (40mm).
Rear Toyota 8.4" (Open)
• All Tacoma 4x4 without OEM Locker
• Some rare 2wd Tacoma trucks

30 Spline / Standard Rotation

Gears
3.73
3.90
4.11
4.56
4.88
5.29
Install Kits
Master
Minor
Lockers
Eaton TrueTrac
Eaton Elocker
ARB Air Locker

• Toyota 8.4" and 7.5" axles look identical.



Rear Toyota 8" TV6 (Elocker)
• All Tacoma 4x4 with OEM Locker
30 Spline / Standard Rotation

Gears
3.73 §
4.11
4.30
4.56
4.88
5.29
5.71 §
Install Kits
Master †
Lockers
OEM Locker Only

† For use with factory e-locker.
§ Requires 29 spline pinion yoke.



Rear Toyota 7.5" (2wd Only)
• Most Tacoma 2wd Trucks

27 Spline / Standard Rotation

Gears
4.56
4.88
5.29
5.71
Install Kits
Master
Minor
Lockers


• 7.5" axle only found on 2wd trucks.
• 2wd trucks were sold with all three axles.
• Toyota 8.4" and 7.5" axles look identical.



Toyota Tacoma Gen. 2 (2005 - 2015)

The following gears, lockers and install kits are available for 2005 to 2015 Toyota Tacoma 2wd and 4x4 trucks. All Gen. 2 Tacoma 4x4 models featured the reverse rotation Toyota 8" IFS clamshell front differential. All Tacomas with a factory rear electric locker came with the Toyota 8" TV6 rear axle while open differential trucks have the Toyota 8.4" rear axle.



Front Toyota 8" IFS Clamshell
30 Spline / CV Shafts
3.73 / 3.90 Carrier Break
Clamshell Housing
Reverse Rotation

Gears
4.56R(T)
4.88R(T)
Install Kits
Master
Minor
Lockers (3.73 - )
Eaton Elocker
ARB Air Locker

3.91R*
4.30R*
4.56R*
4.88R*
5.29R*

Lockers (3.90 + )
Eaton Elocker
ARB Air Locker

*Fits all 3.90+ differentials
(T) Thick gears for 3.73- differentials

Axle Shafts
RCV Ultimate Chromoly CV Axle Shafts
Rear Toyota 8.4" (Open)
• All Tacomas without OEM Locker

30 Spline / Standard Rotation

Gears
3.73
3.90
4.11
4.56
4.88
5.29
Install Kits
Master
Minor
Lockers
Eaton TrueTrac
Eaton Elocker
ARB Air Locker

• Toyota 8.4" and 7.5" axles look identical.



Rear Toyota 8" TV6 (Elocker)
• All Tacomas with OEM Locker
30 Spline / Standard Rotation

Gears
3.73 §
4.11
4.30
4.56
4.88
5.29
5.71 §
Install Kits
Master †
Lockers
OEM Locker Only

† For use with factory e-locker.
§ Requires 29 spline pinion yoke.



Toyota Tacoma Gen. 3 (2016 - 2022)

The following gears, lockers and install kits are available for 2016 to 2022 Toyota Tacoma 2wd and 4x4 trucks. All Gen. 3 Tacoma 4x4 models featured the reverse rotation Toyota 8" IFS clamshell front differential. All Tacomas with a factory rear electric locker or a manual transmission will have the new Toyota 8.75" rear axle, while automatic transmission trucks without a factory rear locker have the Toyota 8" V6 rear axle.



Front Toyota 8" IFS Clamshell
30 Spline / CV Shafts
3.73 / 3.90 Carrier Break
Clamshell Housing
Reverse Rotation

Gears
3.91R
4.30R
4.56R
4.88R
5.29R
Install Kits
Master
Minor
Lockers (3.90 +)
Eaton Elocker
ARB Air Locker


Axle Shafts
RCV Ultimate Chromoly CV Axle Shafts
Rear Toyota 8.75"
• All Tacomas with OEM Locker
• All Manual Trans. Tacomas

34 Spl. Pinon / 32 Spl. Axles
Standard Rotation

Gears
4.88
5.29
Install Kits
Lockers
Eaton Elocker
ARB Air Locker



Rear Toyota 8" TV6
• Automatic Trans. w/ Open Diff
30 Spline / Standard Rotation

Gears
3.73 §
4.11
4.30
4.56
4.88
5.29
5.71 §
Install Kits
Master
Lockers
ARB Air Locker
Eaton TrueTrac

§ Requires 29 spline pinion yoke.
• Both axles used on 2wd and 4x4 trucks.
• Factory gear ratio is 3.91.

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