Prolong Transmission TreatmentProlong Transmission Treatment is formulated with Prolong’s AFMT™ (Anti-Friction Metal Treatment) advanced technology to treat the metal surfaces of both standard (manual) and automatic transmissions. As the transmission fluid or gear oil circulates, Prolong Transmission Treatment molecules interact with all of the metal surfaces, chemically bonding to create a protective layer that reduces potentially damaging friction and heat. Prolong Transmission Treatment is particularly effective under extreme pressure conditions, providing significant protection against one of the most costly automotive repairs. The product promotes smoother manual shifts and helps restore responsiveness in automatic transmissions, especially in critical quick-acceleration conditions.


Product Overview

  • Formulated with Prolong’s AFMT™ advanced technology
  • Reduces extreme friction and internal temperatures
  • Promotes smoother, more responsive shifts
  • Compatible with all common transmission fluids and gear oils

SDS: Download Prolong Transmission Treatment Safety Data Sheet (SDS)


How to Use

Prolong Transmission Treatment can be added at the time of or in between fluid changes and remains effective until the fluid is drained and replaced. In standard (manual) transmissions, 8 ounces of fluid should be removed prior to adding the treatment. The product should be added each time transmission fluid or gear oil is changed.

Available sizes

  • 8 oz. Bottle

Also available in Commercial sizes.

Coming Soon



I have a 1999 Chevrolet 1500 pickup. This truck has 205,000 miles and has not had a single oil leak or tune-up since I bought it new. Needless to say, I have driven the tires off of this truck several times! Your Prolong Engine Treatment and Transmission Treatment are the reason I am still driving this truck everyday. I put Prolong in the engine and the transmission ever since the manufacturer’s warranty ran out. I will take your product over any warranty any day!!!

Thank you, Prolong, for a fine product.
Alan V., Plano, TX

Had to write to tell you of some amazing success I had with Prolong Transmission Treatment. I have a 1993 Chrysler Intrepid. I started having trouble with the transmission, the car would stick in 1st gear. Shutting the car off and restarting would correct the problem. This happened about once a week for about six months, then it was happening every time I stopped. I replaced the control module, but it didn’t fix the problem. Next I changed the oil and filter… still no improvement. It was going to cost $2,000 to replace the tranny and I debated spending that much money on a car with 280,000 kilometers. Purely by accident I saw Prolong at Wal*Mart and decided to give it a try. Wow! Was I surprised when I put it in the tranny and almost immediately started to notice improvement. Within 100 kilometers the tranny was shifting perfectly. It shifts so smoothly that I have to watch the tach to know when. It is running so quietly it’s like driving a new car.
J. Noseworthy, Newfoundland, Canada

I have used and promoted Prolong since I saw your infomercial, before you could even buy it in stores. I’ve been extremely happy with all your products. I could tell you about things that impressed me like after 25,000 miles with Prolong Transmission Treatment, I took it to my mechanic to change the filter and transmission fluid. He said that in all the time he has changed the fluid with me using the product there has never been any fine grindings in the pan, which to me means no wear.
W. Maurer, Saint Helen, MI

One of my vehicles is a ’92 Suburban with an odometer reading of 285,000 miles. Since discovering Prolong products, six or seven years ago, I have used both your Engine Treatment and Transmission Treatment religiously. In the past two years I have also used your Injector Treatment and Fuel System Cleaner each Spring and Fall, as well. The results are so amazing that a note seemed in order. The original automatic transmission is continuing to shift smoothly as designed. My mechanic friend is extremely impressed by the engine and transmission performance.
J. Jacobson, New Brighton, MN

I bought a full size Chevy truck in 1991 with 39,000 miles on it. Today, I have 520,000 miles on it! We have been using Prolong engine and transmission treatment since and have never had any engine problems. Our transmission went out at 100,000 miles. When we had it replaced, we put the transmission treatment in. We were driving down the freeway when the transmission started to free wheel. We found one of the hoses was broke. We replaced it and went on our way. Come to find out the transmission line broke at my house about 120 miles from where we stopped. The transmission has lasted 400,000 miles and my truck is still running as strong as ever. Thanks for a great product.
D. Ales, Sacramento, CA

I want to say I use Prolong in all of my vehicles and I will not put no other treatment in them. I use from your engine treatment to your trans. treatment and not even once haves it ever let me down.
I greatly thank you and I will always use Prolong.
Tim B., Dillwyn, VA

I have an1989 Eldorado, that just recently developed a huge slip in my transmission. I thought I was going to have to spend a great deal money for either a new transmission or have mine rebuilt. With money being an issue right now, I went to my local auto parts store, look though the transmission lubricants, and saw your product on the shelve. It was the most expensive one there. I deliberated for some time, when finally I thought I would give it a chance. It seemed to have an immediate effect on the transmission. The Prolong lubricate as been in for about a month now, and with each week the transmission has only gotten better. I do not know what is in there, but I am a firm believer that it really works. I have since change my mind about spending money on the transmission. I will certainly buy the other engine products that you have.
Thank you
Jay B., Tucson, AZ


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