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Does AMSOIL offer transmission fluid for manual transmissions? If so, what is the change interval?
AMSOIL offers two manual transmission fluids: Synthetic Synchromesh Transmission Fluid and Synthetic Manual Transmission and Transaxle Gear Lube.

Synthetic Synchromesh Transmission Fluid is recommended for use up to 50,000 miles, or longer (up to 150,000 miles) as indicated in the owner’s manual. Synthetic Manual Transmission and Transaxle Gear Lube is engineered to last two times longer than conventional petroleum GL-4 gear oils. Following equipment manufacturer drain intervals for synthetic oils is recommended. Check the AMSOIL Online Product Application Guide for specific recommendations.
Is AMSOIL Engine and Transmission Flush compatible with seals?
Yes. AMSOIL Engine and Transmission Flush is compatible with engine and transmission seal materials. It is specially formulated to condition seals to help prevent leaks and extend seal life.

AMSOIL Automatic Transmission Fluids

Fuel-Efficient Synthetic Automatic Transmission Fluid
Fuel-Efficient Synthetic Automatic Transmission Fluid
Multi-Vehicle Synthetic Automatic Transmission Fluid
Multi-Vehicle Synthetic Automatic Transmission Fluid
AMSOIL OE Multi-Vehicle Synthetic Automatic Transmission Fluid
OE Multi-Vehicle Synthetic Automatic Transmission Fluid
AMSOIL OE Fuel-Efficient Synthetic Automatic Transmission Fluid
OE Fuel-Efficient Synthetic Automatic Transmission Fluid
AMSOIL Synthetic CVT Transmission Fluid
AMSOIL Synthetic CVT Transmission Fluid
AMSOIL 100% Synthetic Transmission DCT Fluid
100% Synthetic Transmission DCT Fluid
AMSOIL Torque-Drive® Synthetic Automatic Transmission Fluid
Torque-Drive® Synthetic Automatic Transmission Fluid
AMSOIL Super Shift® Racing Transmission Fluid SAE 10W
Super Shift® Racing Transmission Fluid SAE 10W
AMSOIL Synthetic Powershift Transmission Fluid SAE 10W
Synthetic Powershift Transmission Fluid SAE 10W
AMSOIL Synthetic Powershift Transmission Fluid SAE 30
Synthetic Powershift Transmission Fluid SAE 30
AMSOIL Synthetic Chaincase & Gear Oil
AMSOIL Synthetic Chaincase & Gear Oil
AMSOIL 20W-50 Synthetic Hydrostatic Transmission Fluid
AMSOIL 20W-50 Synthetic Hydrostatic Transmission Fluid

AMSOIL Manual Transmission Fluids

AMSOIL Transmission & Transaxle Gear Lube 75W-90
Transmission & Transaxle Gear Lube 75W-90
AMSOIL Synchromesh Transmission Fluid 5W-30
Synchromesh Transmission Fluid 5W-30
AMSOIL Synthetic Powershift Transmission Fluid SAE 10W
Synthetic Powershift Transmission Fluid SAE 10W
AMSOIL Synthetic Powershift Transmission Fluid SAE 30
Synthetic Powershift Transmission Fluid SAE 30
AMSOIL Synthetic Powershift Transmission Fluid SAE 50
Synthetic Powershift Transmission Fluid SAE 50
AMSOIL SAE 50 Long-Life Synthetic Transmission Oil
SAE 50 Long-Life Synthetic Transmission Oil
AMSOIL Synthetic Chaincase & Gear Oil
AMSOIL Synthetic Chaincase & Gear Oil

AMSOIL ATV / UTV and Dirtbike Transmission Fluids

AMSOIL Synthetic ATV/UTV Front Drive Fluid
AMSOIL Synthetic ATV/UTV Front Drive Fluid
AMSOIL Synthetic ATV/UTV Transmission & Differential Fluid
AMSOIL Synthetic ATV/UTV Transmission & Differential Fluid
AMSOIL Synthetic Dirt Bike Transmission Fluid
AMSOIL Synthetic Dirt Bike Transmission Fluid
What are the change intervals for AMSOIL Multi-Vehicle Synthetic Automatic Transmission Fluid and AMSOIL Fuel Efficient Synthetic Automatic Transmission Fluid?
When using it is recommended you follow your vehicle manufacturer’s normal-service drain interval and double the recommended drain interval during conditions of severe-service. Check the AMSOIL Online Product Application Guide for detailed recommendations.
Is it required that all of the transmission fluid be removed before adding AMSOIL synthetic transmission fluid?
No. AMSOIL synthetic transmission fluids are compatible with petroleum and synthetic transmission fluids and can be used to top-off transmission fluid levels. However, when conducting a transmission fluid change, most of the fluid in the automatic transmission will be replaced with the new fluid.
Can AMSOIL Engine and Transmission Flush be used in all transmissions?
AMSOIL Engine and Transmission Flush is recommended for use in automatic transmissions to promote efficient operation and fuel efficiency. It is not recommended for manual transmissions, CVT transmissions or differentials. AMSOIL recommends the transmission filter be changed when performing a flush.
Is AMSOIL Multi-Vehicle Synthetic Automatic Transmission Fluid safe to use in Mercon® V and Mercon® applications?
Yes. AMSOIL Multi-Vehicle Synthetic Automatic Transmission Fluid is engineered to provide maximum performance and protection in a number of automatic transmission applications. It is formulated for Mercon V applications and is backward compatible, meaning it is also suitable for Mercon applications.
Can an 'off-the-shelf,' singularly specified Ford Mercon® transmission fluid be used in a Mercon® V application?
No. The Mercon specification precedes the Mercon V specification; therefore, it is not formulated to adequately protect and perform in Mercon V applications. AMSOIL is engineered to exceed Mercon V and Mercon specifications and can be used in both applications.

AMSOIL Torque-Drive® Synthetic Automatic Transmission Fluid is engineered to meet the Mercon specification and is not recommended for Mercon V applications.
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