The differential is a system of gears that allows different drive wheels on the same axle to rotate at different speeds, for example when your 2009 Toyota Tacoma is turning. Your outer wheel travels a longer distance on a wide turning radius, therefor it needs to rotate faster. Without a differential the outer wheel would slip making your 2009 Toyota Tacoma much harder to handle and wear your tires out at a dramatic rate.

When browsing for a differential there are different terminology you will run across and its important to understand what each one is. Front-wheel-drive (FWD) the differential is alongside the transmission inside a housing, and the unit is called a transaxle. Rear-wheel-drive (RWD) vehicles the differential is between the rear wheels and connected to the transmission by a driveshaft. All-wheel-drive (AWD) and four-wheel-drive (4WD) vehicles add a centre differential or a transfer case to distribute power front and rear.

The simplest and most common differential is the "open differential". It gained its name because the wheels can always turn independently of each other. Its main drawback is that if one wheel doesn’t have traction, such as if it hits ice, it still gets lots of power. It spins helplessly, and you go nowhere. To combat this situation, some manufacturers use electronic systems that detect spinning wheels without traction and send signals to partially engage brakes on that wheel to channel the engine’s power to the other wheel on solid ground. A hydraulic differential lock can be temporarily engaged in a difficult off-road situation when one of the drive wheels digs deeper into snow, mud, or sand.

If you are an enthusiast looking for better vehicle handling for cornering, faster acceleration on the street, strip or track then you may benefit from installing a high-performance ring and pinion set with different gear ratio’s. Browse our digital shelves for your 2009 Toyota Tacoma to find a huge assortment of premium racing differentials and related components, such as durable and lightweight differential cases, housings, rings and pinions, spider gears, and much more.

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Arb Usa RD111
Please Note:

Some images might not represent the actual product

Arb Usa RD111 Differential
for 2009 Toyota Tacoma X-Runner

$1,254.65

Save: $163.65
Sale Price:

$1,091.00

Estimated Ship Date: Today

Free DelieveryFree Ground Shipping
In Stock - 31 New In Stock
EngineFit NotesFitment Notes
2009 Toyota Tacoma X-Runner equipped with
L
 
Axle: Toyota 8" Clamshell
Shaft: 1.31"
Spline: 30
Ratio: 3.91 and up
Confirm stock gear ratio. Confirm aftermarket 'thick' or standard gear with gear supplier
 
2009 Toyota Tacoma X-Runner equipped with
L Axle: Toyota 8" Clamshell
Shaft: 1.31"
Spline: 30
Ratio: 3.91 and up
Confirm stock gear ratio. Confirm aftermarket 'thick' or standard gear with gear supplier
,
Arb Usa RD121
Please Note:

Some images might not represent the actual product

Arb Usa RD121 Differential
for 2009 Toyota Tacoma X-Runner

$1,254.65

Save: $163.65
Sale Price:

$1,091.00

Estimated Ship Date: Today

Free DelieveryFree Ground Shipping
In Stock - 5 New In Stock
EngineFit NotesFitment Notes
2009 Toyota Tacoma X-Runner equipped with
L
 
Axle: Toyota 8" Clamshell
Shaft: 1.31"
Spline: 30
Ratio: 3.73 and down
Confirm stock gear ratio. Confirm aftermarket 'thick' or standard gear with gear supplier
 
2009 Toyota Tacoma X-Runner equipped with
L Axle: Toyota 8" Clamshell
Shaft: 1.31"
Spline: 30
Ratio: 3.73 and down
Confirm stock gear ratio. Confirm aftermarket 'thick' or standard gear with gear supplier
,
Arb Usa RD129
Please Note:

Some images might not represent the actual product

Arb Usa RD129 Differential
for 2009 Toyota Tacoma X-Runner

$1,254.65

Save: $163.65
Sale Price:

$1,091.00

Estimated Ship Date: Today

Free DelieveryFree Ground Shipping
In Stock - 29 New In Stock
EngineFit NotesFitment Notes
2009 Toyota Tacoma X-Runner equipped with
L
 
Axle: Toyota 8.4"
Shaft: 1.31"
Spline: 30
Ratio: All
Locker suits open differentials and Will not work with factory locker optioned 3rd members.
 
2009 Toyota Tacoma X-Runner equipped with
L Axle: Toyota 8.4"
Shaft: 1.31"
Spline: 30
Ratio: All
Locker suits open differentials and Will not work with factory locker optioned 3rd members.
,
POWERTRAX 5201017CJV
Please Note:

Some images might not represent the actual product

POWERTRAX 5201017CJV Differential Rebuild Kit
for 2009 Toyota Tacoma X-Runner

$173.47

Save: $22.63
Sale Price:

$150.84

Estimated Ship Date: Today

Free DelieveryFree Ground Shipping
In Stock - 1 New In Stock
EngineFit NotesFitment Notes
2009 Toyota Tacoma X-Runner equipped with
L
 
For Aftermarket Powertrax Units
Coupler For 9220803002
 
2009 Toyota Tacoma X-Runner equipped with
L For Aftermarket Powertrax Units
Coupler For 9220803002
,
Dana 5-1330X
Please Note:

Some images might not represent the actual product

Dana 5-1330X U-Joints
for 2009 Toyota Tacoma X-Runner

$24.48

Save: $3.19
Sale Price:

$21.29

Estimated Ship Date: Today

In Stock - 2 New In Stock
EnginePositionFit NotesFitment Notes
2009 Toyota Tacoma X-Runner equipped with
4.0L V6
 
Rear Differential
 
Drivetrain: RWD
Standard cab models.: Standard cab models.
 
2009 Toyota Tacoma X-Runner equipped with
4.0L V6
Rear Differential Drivetrain: RWD
Standard cab models.: Standard cab models.
2009 Toyota Tacoma X-Runner equipped with
4.0L V6
 
Transmission
 
Drivetrain: RWD
 
2009 Toyota Tacoma X-Runner equipped with
4.0L V6
Transmission Drivetrain: RWD