The 11 Best Auto Transmission Additives (2022 reviews)

auto transmission additives
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Are you planning to buy auto transmission additives, and are you confused about the options ? This page is just for you.

Our review process:

Our Top Picks:

Best Overall:
Buy: Liqui Moly Auto Transmission Additive
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Best With Mercon:
Buy: Sea Foam Auto Transmission Additive
READ REVIEW

Best For Power Steering:
Buy: Prolong Super Lubricants Auto Transmission Additive
READ REVIEW

Best For Hondas:
Buy: Zmax Auto Transmission Additive
READ REVIEW

Best For High Performance:
Buy: Hot Shots Secret Auto Transmission Additive
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Best For Minimal Investment:
Buy: Lubegard Auto Transmission Additive
READ REVIEW

Best For Whining:
Buy: Xado Auto Transmission Additive
READ REVIEW

Best For Safe Handling:
Buy: Crc Auto Transmission Additive
READ REVIEW

Best For Great Price Amazon:
Buy: Atp Automotive Auto Transmission Additive
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Best For Country Of Origin:
Buy: Hot Shots Auto Transmission Additive
READ REVIEW

Best For Smoother Shifts:
Buy: Cerma Auto Transmission Additive
READ REVIEW

Best Overall: Liqui Moly Auto Transmission Additive

Liqui Moly Auto Transmission Additive
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Compared with other additives in this category, the Liqui Moly Auto Transmission Additive has a design with broader appeal. The liqui moly auto transmission additive reduced the noise and it is much more. Make sure this fits by entering your model number. Moreover, it is designed for smoother shifts, has 215k miles and it has improved steering characteristic.s. Finally, the liqui moly auto transmission additive comes with protects from wear and it makes a huge difference.

Almost all customers agree that the additive is a different system than cars that use atf in the power steering unit. Moreover, a few also found that the additive is best for bmw x5 e53 steering fluid.

Top Customer Quotes:
  • This is a great conditioner for the auto transmission for sure.
  • This has made a positive difference.
  • It is worth a shot to try a tube of this stuff.
  • This is a good brand of high - mileage fluid.

Best With Mercon: Sea Foam Auto Transmission Additive

Sea Foam Auto Transmission Additive
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Compared with other additives in this category, the Sea Foam Auto Transmission Additive has a convenient design. The sea foam auto transmission additive has added another bottle and it is compatible with Mercon v. To keep safe in most types of automatic transmission fluid, hydraulics, or power steering fluid systems. Further, it has traffic, controls moisture and it is suitable for low speeds.

The additive is shifted much better and it works as advertised. Lastly, the sea foam auto transmission additive is designed for smoother shifts and it added a bottle.

Almost all customers opine that the additive cleans shift sokenoids good, plus it is great for power steering. Moreover, a few also found that the additives have dramatically changed how the car runs. Moreover, they also found that the additives are blocked, preventing the oil from circulating and cool. Overall, at the price, they believe that they got a steal of a deal with it.

Top Customer Quotes:
  • It is in some pretty rough shape, but it is free and it drove.
  • This is worth every penny and then some.
  • This cleans, treats seals and gaskets, and free's up sticky situations within the tranny.
  • This has taken several treatments, and can be used as automatic transport.

Best For Power Steering: Prolong Super Lubricants Auto Transmission Additive

Prolong Super Lubricants Auto Transmission Additive
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Not everyone likes to purchase additives for their daily usage, but the Prolong Super Lubricants Auto Transmission Additive would be an anomoly. The prolong super lubricants auto transmission additive offers molecules that interact with metal surfaces and chemically bond to create a protective layer that reduces damaging friction and heat. Make sure this fits by entering your model number. In addition, this is erratic, is unbeatable and it added a bottle.

The additive features a formula that promotes smoother manual shifts and helps restore responsiveness in automatic transmissions. In addition, it features engineering designed to treat metal surfaces through a molecular and chemical process. Lastly, the prolong super lubricants auto transmission additive includes a formula with anti-friction metal treatment technology.

Most buyers found that the additive is good for all transmissions and works so well. Furthermore, a few also found that the additive will last but so far so good. Moreover, a few strongly agree that this stuff is like a magic transmission treatment. Overall, for most customers, Prolong Super Lubricants product was what they were looking for.

Top Customer Quotes:
  • This does help a bit and prolongs the life of the train.
  • This is great for restoring drum heads.
  • This is no hype at all, it is true.
  • This provides different friction characteristics than dexron iii/mercon.

Best For Hondas: Zmax Auto Transmission Additive

Zmax Auto Transmission Additive
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We would, of course, be remiss if we didn't mention Zmax Auto Transmission Additive for daily usage. The zmax auto transmission additive cleans varnish for smoother shifting and lubricates bearings, gears, and the hydraulic system. Make sure this fits by entering your model number. Also, this improves the performance and the driving experience.

The additive gets better mileage, is much more and it protects your vehicle. Lastly, the zmax auto transmission additive added a bottle and it made a huge difference.

Most customers opine that the additive is an automatic rather than a cvt, it can be used. And, they also found that the additive is the best trans fix for hondas. Moreover, a few also found that the oil additive is added at a fresh oil change, so it too runs for the maximum amount of time, until the next oil change, when it is to be added again. To sum up, at the price, they believe that they got a steal of a deal with it.

Top Customer Quotes:
  • This works so far and I have added another bottle.
  • This is perfect for both automatic or manual transmissions.
  • This can be used as a courier vehicle on a daily basis.
  • This makes changing the gears so smooth.

Best For High Performance: Hot Shots Secret Auto Transmission Additive

Hot Shots Secret Auto Transmission Additive
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The Hot Shots Secret Auto Transmission Additive should be able to handle its purpose and duties with ease. The hot shots secret autotransmission additive is erratic, makes for a huge difference and it reduces friction. Make sure this fits by entering your model number. Moreover, this reduces transmission operating temperatures with high performance ester formula.

Most importantly, the hot shots secret auto transmissionadditive is designed for smoother shifts and it allows for excessive noise.

Most buyers found that the additive is absolutely safe & effective in your specific transmission, thanks. Moreover, a few also found that the additive will help with valve body issues or solenoid activity. Also, a few say that the additive can be used in a "95 chevy blazer 4.3 v6., automatic trans. In short, for most buyers, it was what they were looking for.

Top Customer Quotes:
  • This is easy to use and it added a bottle.
  • This is perfectly fine without any issues.
  • This will not restore worn clutch material.
  • This is absolutely worth a try for these symptoms.

Best For Minimal Investment: Lubegard Auto Transmission Additive

Lubegard Auto Transmission Additive
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Lubegard line of additives comes in a pretty wide variety of styles, so you can definitely find one that suits your individual preferences and needs. The Lubegard Auto Transmission Additive can be used in order to use it, The contents should be emptied directly into the atf (automatic transmission fluid) via a filter tube and then drive normally. Make sure this fits by entering your model number. In addition, it can be used by more professional transmission technicians.

Finally, the lubegard auto transmission additive is compatible with Mercon v and it is great for minimal investment.

Almost all buyers agree that the additive has been about a month now since it was added. And, a few say that the additive does ...this stuff is gold. Moreover, a few strongly agree that the additive can be used in a gm 8 speed automatic, has 2 sets of clutch plates, works great, The No. In short, many have used the additive for more than a few months without letup, and it shows no sign of giving up.

Top Customer Quotes:
  • This is for the best overall performance and long term transmission benefit.
  • This is made to fix the shudder in your transmission.
  • This is compatible with all conventional or synthetic automatic transmission fluids.
  • This will work on a 2005 f150 5.4 automatic transmission.

Best For Whining: Xado Auto Transmission Additive

Xado Auto Transmission Additive
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The features department is where Xado Auto Transmission Additive truly manages to shine. In addition, the additive protects friction metal parts from wear. Make sure this fits by entering your model number. Above all, the xado auto transmission additive makes a huge difference and it is great for tune-up.

Almost all customers opine that the additive will help with your transfer case whining noise. Moreover, a few strongly agree that the additive has versions that are adapted for manual transmissions. In conclusion, at the price, they believe that they got a steal of a deal with it.

Why We Like This:
  • restores surfaces and protects friction metal parts from wear.
  • Increases performance reliability and prolongs the service life span of control mechanisms.
  • Lot of satisfied buyers.

Best For Safe Handling: Crc Auto Transmission Additive

Crc Auto Transmission Additive
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If you often find yourself confused about convenient and suitable additive,s CRC auto transmission additive is your end point. The CRC autotransmission additive is erratic and it stopped the leak. The Manufacturer says: Our sealants provide an effective alternative to costly repairs and parts replacements. Moreover, this shifts smoothly and it added a bottle.

Finally, the Crc Auto Transmission Additive is great for safe handling and it is good for tune-up.

Most buyers found that the additive would fix the tranny issue, but it might. In addition, they say that the additive can be used on power steering fluids too, by the way. In addition, they say that the temperature is 44 degrees this morning. In conclusion, most customers call the additive suits best, and no one questions it.

Top Customer Quotes:
  • This has fixed numerous cars of.
  • This is a great Subaru Forester's.
  • This is not compatible with CVT or manual transmissions.
  • This is nothing short of a miracle.

Best For Great Price Amazon: Atp Automotive Auto Transmission Additive

Atp Automotive Auto Transmission Additive
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Not everyone likes to purchase additives for their daily purpose, but the best automotive auto transmissionadditive would be an anomoly. The Atp Automotive Auto Transmission Additive is designed for a great price on amazon and it added a bottle. Make sure this fits by entering your model number. And, the additive is a full synthetic atf additive that converts conventional dex/merc atf to a highly friction - modified fluid. Most importantly, the atp automotive auto transmission additive comes with atf, offering instant results with no soak-in period and provides compatibility with hfm applications such as chrysler atf +3/+4, honda z1, toyota type t, mitsubishi diamond & nissanmatic.

Almost all buyers opine that the additive works well on older honda transmissions. Further, a few strongly agree that the additive is in neutral as the directions said. Moreover, a few say that the fluid improves the lubrication ability of dexron iii or mercon transmission fluids and this reduces the heat generated in the transmission.

Why We Like This:
  • Blends with fluid for immediate effectiveness.
  • Converts dex / merc atf to a highly friction - modified fluid.
  • 10oz bottle to treat one transmission.
  • Incorporates synthetics to improve transmission performance, reduce heat and wear.

Best For Country Of Origin: Hot Shots Auto Transmission Additive

Hot Shots Auto Transmission Additive
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Hot Shots line of additives comes in a pretty wide variety of styles, so you can definitely find one that suits your individual preferences and needs. And, this is great for everyday use. Make sure this fits by entering your model number. Above all, the Hot Shots Auto Transmission Additive is great for high quality construction and it is good for country of origin.

"It works if you change the filter and fluid. " - says, one customer. In short, the tone of buyers is very positive and we believe that the additive suits the purpose.

Why We Like This:
  • Variety of styles for every type of accessories.
  • Good brand reputation.

Best For Smoother Shifts: Cerma Auto Transmission Additive

Cerma Auto Transmission Additive
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The Cerma Auto Transmission Additive should be able to handle its purpose and duties with ease. The cerma auto transmission additive restores performance and fixes many transmission issues. Make sure this fits by entering your model number. And, it is ideal for all uses, including auto,s diesel truck, motor homes and commercial vehicles. Most importantly, the cerma auto transmission additive has seen measurable improvement and it makes it much quieter.

Most buyers agree that the additive is ideal for all uses, including auto,sss diesel truck, motor homes and commercial vehicles. Further, they strongly agree that the additive protects every metal surface being lubricated. Moreover, a few say that the additive is absolutely smooth and quiet, over 240, 000 miles. Overall, buyers found this to be one of the best additives for daily purposes.

Top Customer Quotes:
  • Eliminates most seal leaks and lowers operating temperatures in hard-working units.
  • Ideal for all uses, including auto,ss diesel truck, motor homes and commercial vehicles.
  • This restores performance and fixes many transmission issues.
  • This is used to make a bang.