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  • Prolong Super Lubricants PSL15000 Transmission Treatment - 8 oz.
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Prolong Super Lubricants PSL15000 Transmission Treatment - 8 oz.

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List Price: $14.99
Price: $13.21 & FREE Shipping on orders over $35. Details
You Save: $1.78 (12%)
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Ships from and sold by Amazon.com.
  • 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
  • Safe, effective, easy pour
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$13.21 & FREE Shipping on orders over $35. Details In Stock. Ships from and sold by Amazon.com.

Frequently Bought Together

Prolong Super Lubricants PSL15000 Transmission Treatment - 8 oz. + Prolong Super Lubricants PSL11000 Engine Treatment  - 12 oz. + Prolong Super Lubricants PSL16040 Fast Fuel Injector Cleaner - 12 oz.
Price for all three: $39.27

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Product Information

Technical Details
BrandProlong Super Lubricants
Item Weight12 ounces
Product Dimensions8.3 x 3.1 x 1.6 inches
Item model numberPSL15000
Manufacturer Part NumberPSL15000
  
Additional Information
ASINB001DKV5H8
Best Sellers Rank #21,706 in Automotive (See top 100)
Shipping Weight12 ounces (View shipping rates and policies)
Domestic Shipping Item can be shipped within U.S.
International Shipping This item can be shipped to select countries outside of the U.S. Learn More
Date First AvailableJuly 31, 2008
  
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Product Description

Prolong 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.

Customer Questions & Answers

Customer Reviews

4.8 out of 5 stars
5 star
95%
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5%
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See all 20 customer reviews
I now use prolong in all my vehicles.
Sly
My car is more responsive, smoother, shifts better, and operates at lower RPM overall.
Mountain Town
This goes in the transmission, I suggest getting the oil additive too!
Paylish

Most Helpful Customer Reviews

7 of 7 people found the following review helpful By Jim Gunvordahl on June 17, 2014
Verified Purchase
Used the Prolong transmission additive on a Mazda Protege transmission that wouldn't shift cold until it was driven several miles and even then, it shifted erratically. Had the issue for about a month, poured in the transmission additive and it resumed perfect shifting immediately. I drove it another 100k miles before I sold the car. Seems to me that if the transmission additive worked that well and that quickly, maybe I should use the engine additive too. I have yet to have an engine or transmission fail since I began using these products. I have driven three vehicles using these products over 300K miles and sold them all while they were still running well.
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4 of 4 people found the following review helpful By Mountain Town on December 3, 2014
Verified Purchase
I've only driven my car about 6 miles after using this, but I've already noticed a drastic improvement. My car is more responsive, smoother, shifts better, and operates at lower RPM overall. It's not like driving a brand new car, but it's only been working for a tiny period of time. And drastic improvement is not an exaggeration. Before resorting to more expensive fixes, try this first. My car is a '95 with over 200k miles on it and this helped greatly. Highly recommend. Will update this post with longer-term results.
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3 of 3 people found the following review helpful By tom gibson on August 3, 2014
Verified Purchase
My truck works just fine with this in it. Just got back from a 3500 mile trip and the 1995 f350 diesel truck has never ran so cool or got better fuel mileage. I also put the engine treatment in it as well. It will be added every time I do a fluid change from now on.
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1 of 1 people found the following review helpful By R. Villegas on March 26, 2015
Verified Purchase
Been using Prolong Engine and Automatic Transmission additives for many long years, without ever any problems, no noise, no leaks, no smoke, no hesitation. Both the engine and transmission seem to still run at their very best considering their age and mileage of both a 1998 Ford Explorer V6 (X) engine with 170K miles and a 2006 Volvo S40 with 150K miles. Been replacing the transmission oil and filter on the Ford and oil on the Volvo once a year as part of regular maintenance and using a bottle of this stuff at each interval. I wish Amazon would market a gallon jug of this automatic transmission additive just as they sell a gallon jug of the Prolong Engine Oil Treatment for a huge cost savings but Amazon sells a box of this transmission stuff with six single bottles at some minor savings if at that.
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1 of 1 people found the following review helpful By JOP on November 17, 2014
I flushed transmission fluid myself two weeks ago. I added 4 bottles of Prolong transmission treatments and 6 quarts of transmission fluid. On the day after the flush, I was very impressed with how my car was driving. My car was accelerating as if my car's weight had shrunken by half. Even with gentle press on the gas pedal, it was accelerating quickly. I had to adjust myself trying to go at steady speed because my car was accelerating significantly effortlessly and faster.

I have used the Prolong engine treatments for years. The engine treatment made my car run really smooth. But this transmission treatment is even more ridiculous.
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1 of 1 people found the following review helpful By metalwheel on February 5, 2014
Verified Purchase
Saved my transmission from costly repair...First- the knuckleheads at the repair shop put the Wrong fluid in my trans after a clutch job ( yes this stuff works for a manual too) about two years back...Noise began coming from trans shortly thereafter...figured I needed a rebuild but did my research first and verified correct fluid. Drained the old stuff, added this first then filled with regular 80w-90 gear oil (1990 Ford Bronco II Mitsubishi fm 146 trans) noise is dramatically reduced and I have restored faith in my drivetrain.
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1 of 1 people found the following review helpful By RODERICK T. on September 22, 2014
Back in 2003 i purchased a 97 jeep grand cherokee laredo ,I6 4.0L when she had about 70k miles in her. Had the tranny serviced at 90k miles. The mechanic showed me all the filtrate he got from my tranny and told me she will not last long with out a rebuilt.
Second opinion also told me the same thing.
I believe I put about 2-3 bottles of Prolong transmission treatment oil in her . She never slipped and sold her with about 192k miles in her.
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By Sly on November 20, 2014
Verified Purchase
Several years ago I was able to revive a 60's vintage Oldsmobile that would not move until I put a bottle of Prolong in the transmission. The car ran well for many years after the Prolong treatment and was still doing well when I sold it. I now use prolong in all my vehicles.
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Prolong Super Lubricants PSL15000 Transmission Treatment - 8 oz.
This item: Prolong Super Lubricants PSL15000 Transmission Treatment - 8 oz.
Price: $13.21
Ships from and sold by Amazon.com