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Automatic Transmission Fluid

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Signature Series Fuel-Efficient Synthetic Automatic Transmission Fluid
Signature Series Fuel-Efficient Synthetic Automatic Transmission Fluid

Withstands the rigors of heavy towing, elevated temperatures and challenging terrain
Remains fluid in sub-zero temperatures
Provides reserve protection during heavy use and abuse

View Detail Page Warning - Click here for Proposition 65 information for this product
$18.69
Retail Price (USD)
Preferred Price: $14.59
Save: $4.10 Learn More
Signature Series Multi-Vehicle Synthetic Automatic Transmission Fluid
Signature Series Multi-Vehicle Synthetic Automatic Transmission Fluid

Withstands the rigors of heavy towing, elevated temperatures and challenging terrain
Remains fluid in sub-zero temperatures
Provides reserve protection during heavy use and abuse

View Detail Page Warning - Click here for Proposition 65 information for this product
$18.69
Retail Price (USD)
Preferred Price: $14.59
Save: $4.10 Learn More
OE Multi-Vehicle Synthetic Automatic Transmission Fluid
OE Multi-Vehicle Synthetic Automatic Transmission Fluid

AMSOIL OE Synthetic Automatic Transmission Fluid provides passenger-car/light-truck transmissions excellent wear protection, sludge resistance and extreme-temperature performance throughout original equipment manufacturer (OEM)-recommended drain intervals.
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$12.49
Retail Price (USD)
Preferred Price: $9.39
Save: $3.10 Learn More
OE Fuel-Efficient Synthetic Automatic Transmission Fluid
OE Fuel-Efficient Synthetic Automatic Transmission Fluid

AMSOIL OE Synthetic Automatic Transmission Fluid provides passenger-car/light-truck transmissions excellent wear protection, sludge resistance and extreme-temperature performance throughout original equipment manufacturer (OEM)-recommended drain intervals.
View Detail Page Warning - Click here for Proposition 65 information for this product
$12.39
Retail Price (USD)
Preferred Price: $9.39
Save: $3.00 Learn More
Synthetic CVT Fluid
Synthetic CVT Fluid

CVTs require a unique transmission fluid with specialized frictional characteristics designed to ensure the belt or chain remains in contact with the pulleys without slipping. AMSOIL Synthetic CVT Fluid provides outstanding metal-to-metal frictional properties and excellent protection and performance for CVTs throughout vehicle manufacturer-recommended drain intervals.
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$17.89
Retail Price (USD)
Preferred Price: $13.39
Save: $4.50 Learn More
CVTQT-EA
$17.89
Retail Price (USD)
Preferred Price: $13.39
Save: $4.50 Learn More
100% Synthetic DCT Fluid
100% Synthetic DCT Fluid

AMSOIL 100% Synthetic DCT Fluid is designed to protect high-tech dual-clutch transmissions during the most intense, high-heat operating conditions. It provides the fast, smooth shifts drivers expect.
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$28.09
Retail Price (USD)
Preferred Price: $20.79
Save: $7.30 Learn More
DCTQT-EA
$28.09
Retail Price (USD)
Preferred Price: $20.79
Save: $7.30 Learn More
Torque-Drive® Synthetic Automatic Transmission Fluid
Torque-Drive® Synthetic Automatic Transmission Fluid

For use in Allison, MAN, Voith, ZF and other heavy-duty transmissions

Engineered for outstanding performance in heavy-duty transmissions manufactured by Allison, Voith, ZF and other heavy-duty transmissions. Excellent protection in temperature extremes. Ensures consistent, smooth clutch engagement over the life of the fluid and controls clutch glazing and elongated shift times.
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$72.69
Retail Price (USD)
Preferred Price: $56.69
Save: $16.00 Learn More
Super Shift® Racing Transmission Fluid SAE 10W
Super Shift® Racing Transmission Fluid SAE 10W

Formulated for High-Horsepower, High-Torque Applications

AMSOIL Super Shift Synthetic Racing Transmission Fluid resists extreme heat to virtually eliminate slippage and improve shift performance while protecting against wear, helping racers improve on the track and save money in the garage.
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$17.89
Retail Price (USD)
Preferred Price: $13.89
Save: $4.00 Learn More
Synthetic Powershift Transmission Fluid SAE 10W
Synthetic Powershift Transmission Fluid SAE 10W

Advanced Formulation for Powershift and Manual Transmissions, Wet Brakes and Final Drives

Formulated for heavy-duty powershift transmissions. Provides outstanding friction performance for enhanced clutch engagement. Prevents slippage and glazing. Shear stable and anti-wear fortified. Resists high-temperature oxidation, varnish & sludge formation. Superb cold-flow properties.
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$275.45
Retail Price (USD)
Preferred Price: $204.50
Save: $70.95 Learn More
CTG05-EA
$275.45
Retail Price (USD)
Preferred Price: $204.50
Save: $70.95 Learn More
Synthetic Powershift Transmission Fluid SAE 30
Synthetic Powershift Transmission Fluid SAE 30

Advanced Formulation for Powershift and Manual Transmissions, Wet Brakes and Final Drives

Formulated for heavy-duty powershift transmissions. Provides outstanding friction performance for enhanced clutch engagement. Prevents slippage and glazing. Shear stable and anti-wear fortified. Resists high-temperature oxidation, varnish & sludge formation. Superb cold-flow properties.
View Detail Page Warning - Click here for Proposition 65 information for this product
$274.15
Retail Price (USD)
Preferred Price: $203.15
Save: $71.00 Learn More
CTJ05-EA
$274.15
Retail Price (USD)
Preferred Price: $203.15
Save: $71.00 Learn More
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Synthetic Automatic Transmission Fluid

What is an automatic transmission?

Simply put, the transmission transfers power from the engine to the wheels. It houses gears, clutches, solenoids and other components that select the proper gear for the operating conditions. For example, when you start driving, a lower gear provides more torque. As you pick up speed a higher gear reduces engine rpm to improve fuel economy. There are two primary types of transmissions, manual and automatic. A manual transmission requires the driver to engage the clutch and shift the gears while an automatic transmission shifts into the optimal gear on its own.

Automatic transmission fluid

Automatic transmission fluid (ATF) is a lubricant formulated to protect your vehicle’s gears and clutch packs while enabling smooth, crisp shifts. Without it, the gears in your vehicle’s transmission would rapidly overheat and wear out. ATF also fights heat and functions as a hydraulic fluid, squeezing clutch packs together, and delivering the right frictional requirements for seamless engagement and disengagement of clutch plates.

Why should you change automatic transmission fluid?

While it doesn’t need to be changed as frequently as motor oil, over time transmission fluid oxidizes and becomes contaminated with particles and sludge. Ignoring your ATF for too long could leave you on the side of the road with expensive repairs. Change the fluid according to the maintenance guidelines in your owner’s manual. If you tow or haul frequently, your fluid will require more-frequent changes. It’s also a good idea to use a transmission flush with your fluid changes to help clean trapped deposits or sludge. Although some vehicles today use “filled-for-life” transmissions that theoretically never require a fluid change, it’s best to change fluid at least once during their lifetime or more if you haul or tow. Doing so may require purchasing a special tool and a service manual, but it’s usually possible.

Specialty Automatic Transmissions

Other automatic transmission designs include continuously variable transmissions (CVT) and dual clutch transmissions (DCT). A CVT uses a pair of computer-controlled variable-diameter pulleys and a belt or chain to provide unlimited gear ratios. Dual-clutch transmissions are typically used in high-performance cars. They are essentially two manual transmissions working in tandem. These transmissions shift more quickly and smoothly than normal automatic transmissions. Because of their unique designs, CVT and DCT designs require specially formulated CVT fluid and DCT fluid.

What kind of transmission fluid do I need for my vehicle?

A good ATF protects gears and moving parts from wear, fights heat, delivers the proper frictional requirements and functions as a hydraulic fluid. Consult your owner’s manual or use our product lookup to find the right transmission fluid for your vehicle.