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Whether you have a manual or automatic transmission, the job they perform is exactly the same, the only difference is how they function to achieve that job. The job of a car's transmission is to make sure that the right amount of power goes to your wheels to drive at a given speed. To think of a transmission in simpler terms, think of a multi-speed bicycle.

When your vehicle is stopped, the transmission disconnects the engine from the drive wheels so that the engine can keep idling when the wheels aren’t in motion. Transmissions also enable quick acceleration from a stop and enable the engine to run more slowly to cut down on wear while the vehicle is driving at consistent speeds.

There are many reasons one may want to upgrade their transmission. The first most obviously is if your transmission is failing. There are multiple tell-tale signs you may be in need of a replacement such as; refusal to switch gears, burning smell, noises when in neutral, slipping gears, leaking fluid, check engine light, grinding and shaking, and more. If you have any of this going on, its best to have your vehicle checked out.

The other reason one may want to upgrade is for high performance needs. Your factory transmission is meant to work with a factory vehicle, not a modified performance vehicle. There are either close or wide-ratio transmissions. The difference between the two is simple and is exactly what the names imply. In a close-ratio transmission the gears are closer together. Close-ratio transmissions can handle more and lose less power when shifting gears. When shifting from gear to gear, there is a loss in RPMs, which translates to a loss of power, even if only for a split second. As the RPMs fall, the power falls, and the speed of the car also decreases. In performance vehicles and racing, that loss of speed makes a big difference. Changing from a wide-ratio to a close-ratio transmission preserves that speed and power between gears.

Browse our digital shelves today for your vehicle to find a large assortment of premium transmissions, and transmission replacement parts.

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aFe 46-70050
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aFe 46-70050 Transmission Pan Raw Finish For Use w/Vehicles That Have Trans Pan PN[727-DD] Compatible With Stock Filter and F

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$435.18

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$378.42

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aFe 46-70052
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aFe 46-70052 Transmission Pan Machined Wrinkle Black Powdercoat Compatible w/Factory Dipstick Incl. Magnetic Drain Plug Gaske

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$452.10

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$393.13

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aFe 46-70060
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aFe 46-70060 Transmission Pan Raw Finish For Use w/Vehicles That Have Trans Pan PN[727-DD] Compatible With Stock Filter and F

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$435.18

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$378.42

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In Stock - 1 New In Stock

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aFe 46-70062
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aFe 46-70062 Transmission Pan Wrinkle Black Powdercoat Compatible w/Factory Dipstick Incl. Magnetic Drain Plug/Hardware

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$482.28

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$419.37

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aFe 46-70070
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aFe 46-70070 Transmission Pan Raw Finish For Use w/Vehicles W/Trans Pan PN[727-DD] Compatible With Stock Filter and Factory G

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$435.18

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$378.42

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aFe 46-70072
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aFe 46-70072 Transmission Pan Wrinkle Black Powdercoat Compatible w/Factory Dipstick Incl. Magnetic Drain Plug/NPT Port/Hardw

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$482.28

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$419.37

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aFe 46-70120-1
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aFe 46-70120-1 Transmission Pan Raw Finish Machined Fins Compatible With Factory Dipstick Incl. Trans Filter Large Magnetic D

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$435.18

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$378.42

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aFe 46-70122-1
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aFe 46-70122-1 Transmission Pan Wrinkle Black Powdercoat Machined Fins Compatible With Factory Dipstick Incl. Trans Filter La

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$482.28

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$419.37

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aFe 46-70170
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aFe 46-70170 Transmission Pan Street Series Raw Finish Compatible With Stock Filter and Factory Gasket Requires No Modificati

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$435.18

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$378.42

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aFe 46-70172
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aFe 46-70172 Transmission Pan Wrinkle Black Powdercoat Compatible w/Factory Dipstick Incl. Magnetic Drain Plug/NPT Port/Hardw

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$468.69

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$407.56

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aFe 46-70180
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aFe 46-70180 Transmission Pan Raw Finish Compatible With Stock Filter and Factory Gasket Requires No Modification To Factory

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$435.18

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$378.42

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aFe 46-70182
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aFe 46-70182 Transmission Pan Wrinkle Black Powdercoat Compatible w/Factory Dipstick Incl. Magnetic Drain Plug/NPT Port/Hardw

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$482.28

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$419.37

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aFe 46-70220
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aFe 46-70220 Transmission Pan Raw Finish Machined Fins Compatible With Stock Filter/Gasket/Dipstick Incl. Large Magnetic Drai

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$442.21

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$384.53

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aFe 46-70222
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aFe 46-70222 Transmission Pan Black Machined Fins Compatible W/Stock Filter Incl. Magnetic Drain Plug/Gasket/NPT Port/Hardwar

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$489.30

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$425.48

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aFe 46-70240
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aFe 46-70240 Transmission Pan Raw Finish Compatible With Stock Filter and Factory Gasket Requires No Modification To Factory

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$442.21

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$384.53

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AMERICAN AUTOWIRE 03882795
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American Autowire 3882795 Standard Battery Cable Junction Block

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$11.96

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$10.40

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AMERICAN AUTOWIRE 500155
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AMERICAN AUTOWIRE 500155 Electrical Junction Block

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$18.88

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$16.42

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ATS Diesel 3010212326
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ATS Diesel 3010212326 Filter Extension

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$45.02

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$39.15

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ATS Diesel 3019002326
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ATS Diesel 3019002326 Cast Aluminum Transmission Pan Extra Deep, +5 Quart

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$465.34

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$404.64

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ATS Diesel 3019003104
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ATS Diesel 3019003104 Cast Aluminum Transmission Pan Extra Deep, +5 Quart

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$452.64

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$393.60

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ATS Diesel 3029502164
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ATS Diesel 3029502164 Five Star Torque Converter Mid-Stall Price does not include $400 Core Charge

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$1,962.52

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$1,706.54

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Core: Reman Deposit +$400.00
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ATS Diesel 3039002326
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ATS Diesel 3039002326 Valve Body Assembly Electronic Pressure Control Price does not include $400 Core Charge

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$1,122.95

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$976.48

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ATS Diesel 3049102164
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ATS Diesel 3049102164 Billet Input Shaft

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$978.75

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$851.09

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AWE Tuning 2210-11010
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AWE Tuning 2210-11010 Drivetrain Stabilizer (DTS)

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$424.35

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$369.00

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AWE Tuning 2210-11016
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AWE Tuning 2210-11016 Drivetrain Stabilizer (DTS) Mount Package

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$90.85

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$79.00

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In Stock - 13 New In Stock