20 Best Automatic Transmission Additive [2022]

Are you looking for the best automatic transmission additive? Based on expert reviews, we ranked them. We've listed our top-ranked picks, including the top-selling automatic transmission additive.

We Recommended:

# Preview Product
1 Lucas LUC10009 Transmission Fix 24 oz., Brown (Packaging May Vary) , White Lucas LUC10009 Transmission Fix 24 oz., Brown (Packaging May Vary) , White
2 Lubegard 19610 Dr. Tranny Instant Shudder Fixx 2 Ounce 2 Pack Lubegard 19610 Dr. Tranny Instant Shudder Fixx 2 Ounce 2 Pack
3 LUCAS OIL 10441 Automatic Transmission Fluid Conditioner, 20 oz LUCAS OIL 10441 Automatic Transmission Fluid Conditioner, 20 oz
4 Hot Shot's Secret - HSSTSE32Z Shift Restore Automatic Transmission Additive 32 Fluid Ounce Bottle Hot Shot's Secret - HSSTSE32Z Shift Restore Automatic Transmission Additive 32 Fluid Ounce Bottle
5 Bar's Leaks 1416 Super Transmission Fix - 16.9 oz. Bar's Leaks 1416 Super Transmission Fix - 16.9 oz.
6 Lubegard 60902 Automatic Transmission Fluid Protectant, 10 oz. Lubegard 60902 Automatic Transmission Fluid Protectant, 10 oz.
7 Sea Foam Trans Tune TT16, 16 oz Sea Foam Trans Tune TT16, 16 oz
8 Prolong Super Lubricants PSL15000 Transmission Treatment - 8 oz. Prolong Super Lubricants PSL15000 Transmission Treatment - 8 oz.
9 RVS Technology T6A Automatic Transmission Treatment. for transmissions with an Oil Capacity up to 6... RVS Technology T6A Automatic Transmission Treatment. for transmissions with an Oil Capacity up to...
10 zMAX 51-306 - Transmission Formula - for Automatic and Manual Transmissions - Reduces Carbon... zMAX 51-306 - Transmission Formula - for Automatic and Manual Transmissions - Reduces Carbon...
11 DR TRANNY LUBEGARD AUTOMATIC TRANSMISSION INSTANT SHUDDER FIX 6 PACK DR TRANNY LUBEGARD AUTOMATIC TRANSMISSION INSTANT SHUDDER FIX 6 PACK
12 XADO Revitalizant EX120 Conditioner for Automatic Gearbox & CVT Tiptronic Transmission Oil Treatment... XADO Revitalizant EX120 Conditioner for Automatic Gearbox & CVT Tiptronic Transmission Oil...
13 BG ATC Plus BG ATC Plus
14 Liqui Moly 20040 ATF Additive , 250 ML, 5135 Liqui Moly 20040 ATF Additive , 250 ML, 5135
15 Lubegard 61910 Highly Friction Modified ATF Supplement, 10 oz. Lubegard 61910 Highly Friction Modified ATF Supplement, 10 oz.
16 K&W 402916X6 Trans-X High Mileage Automatic Transmission Treatment - 16 Fl Oz Leak Repair Solution... K&W 402916X6 Trans-X High Mileage Automatic Transmission Treatment - 16 Fl Oz Leak Repair...
17 Mophorn Flush Machine DC12V 0-60PSI Automatic Transmission Fluid Exchanger Heavy Duty Transmission... Mophorn Flush Machine DC12V 0-60PSI Automatic Transmission Fluid Exchanger Heavy Duty...
18 K&W 402033X6 Trans-X Automatic Transmission Stop Leak & Tune-Up - 32 Fl Oz Leak Repair Solution for... K&W 402033X6 Trans-X Automatic Transmission Stop Leak & Tune-Up - 32 Fl Oz Leak Repair Solution...
19 Cerma Automatic Transmission Treatment - Clean, Revitalize, and Protect Transmission. Restore Smooth... Cerma Automatic Transmission Treatment - Clean, Revitalize, and Protect Transmission. Restore...
20 XADO Atomic Metal Conditioner Maximum for аutomatic transmissions (Syringe 30ml) (Automatic... XADO Atomic Metal Conditioner Maximum for аutomatic transmissions (Syringe 30ml) (Automatic...
SaleBestseller No. 1
Lucas LUC10009 Transmission Fix 24 oz., Brown (Packaging May Vary) , White
  • Lucas Transmission Fix Stops Slip, Hesitation, Rough Shifting In Worn Transmissions And Completely Eliminates Most Seal Leaks
  • Fit Type: Universal
  • Can be added to existing fluid without draining any out
  • Improves shifting
SaleBestseller No. 2
Lubegard 19610 Dr. Tranny Instant Shudder Fixx 2 Ounce 2 Pack
  • The original transmission shudder fix
  • A concentrated friction modifier formulated specifically for instantly eliminating torque converter lock-up shudder
  • Provides four times less wear than regular ATF
  • For use in any automatic transmission fluid (not for use in Ford Type F or CVT applications)
  • Voted top product by transmission professionals
Bestseller No. 3
LUCAS OIL 10441 Automatic Transmission Fluid Conditioner, 20 oz
  • Improves shifting
  • Extends fluid life
  • AFFORDABLE SOLUTIONS
  • Reduces noise and shudder
Bestseller No. 4
Hot Shot's Secret - HSSTSE32Z Shift Restore Automatic Transmission Additive 32 Fluid Ounce Bottle
  • Hot Shot's Secret Shift Restore is engineered to safely dissolve the harmful gum and varnish that forms over time on the surface of precision...
  • Reduces transmission operating temperatures with high performance ester formula
  • Our Shift Restore formula acts as a high-quality transmission lubricant that serves as a hydraulic fluid, lubricating fluid and heat transfer fluid;...
  • Shift Restore's formula is designed to instantly attach itself to all of your transmission's metal parts, preventing deposits from varnish and...
  • Reduces transmission wear, erratic and inconsistent shifting, hesitation and rough operation, and excessive noise and vibration
Bestseller No. 5
Bar's Leaks 1416 Super Transmission Fix - 16.9 oz.
  • Stop Slipping, Rough Shifting, & Seals Fluid Leaks
  • Works in all Automatic, Manual, CVT, & Dual Clutch Transmissions
  • Reduces Noise
  • Renews Worn Bands
  • Bar's Leaks Super Transmission Fix is a synthetic blend treatment for transmission fluid, seals, metal surfaces, bands and clutch plates.
Bestseller No. 6
Lubegard 60902 Automatic Transmission Fluid Protectant, 10 oz.
  • Prevents overheating, reducing elevated operating temperatures up to 40 degrees Farenheit - Optimizes total transmission performance
  • Eliminates transmission fluid foaming and oxidation and reduces wear throughout the transmission
  • Eliminates clutch chatter and torque converter shudder; Softens and modifies harsh shifts making them quicker in duration
  • Extends fluid life / Raises the thermal and oxidative stability of the fluid
  • Only protectant that increases the fluid’s ability to transfer heat / Protects new seals and permanently restores older seals to a like-new...
Bestseller No. 7
Sea Foam Trans Tune TT16, 16 oz
  • Helps fluid systems work smoother and last longer
  • Dissolves and liquefies harmful gum and varnish buildup in fluid
  • Cleans and lubricates valve bodies, shift actuators and solenoids, controls moisture
  • Safe in most types of automatic transmission fluid, hydraulics, or power steering fluid systems
  • Safe for conventional and synthetic fluids
Bestseller No. 8
Prolong Super Lubricants PSL15000 Transmission Treatment - 8 oz.
  • Includes a Formula with Anti-Friction Metal Treatment Technology
  • Features Engineering Designed to Treat Metal Surfaces Through a Molecular and Chemical Process
  • Offers Molecules that Interact with Metal Surfaces and Chemically Bond to Create a Protective Layer that Reduces Damaging Friction and Heat
  • Offers to Treat the Metal Surfaces of Both Standard (Manual) and Automatic Transmissions
  • Features a Formula that Promotes Smoother Manual Shifts and Helps Restore Responsiveness in Automatic Transmissions
Bestseller No. 9
RVS Technology T6A Automatic Transmission Treatment. for transmissions with an Oil Capacity up to 6...
  • Prolonges life cycle of components (30-70%)
  • Reduces replacement demand of costly spare parts as wear process almost stops
  • Internal heat production that burns oil is reduced, which is the leading cause of failure in an transmission
  • Reduces vibration & noise level allowing the transmission to operate smoother
  • One treatment lasts a minimum of 60,000 miles.
Bestseller No. 10
zMAX 51-306 - Transmission Formula - for Automatic and Manual Transmissions - Reduces Carbon...
  • PROTECT YOUR VEHICLE: zMAX Transmission Formula is easy to use! Micro-lubrication soaks into metal surfaces improving lubrication to reduce gear wear...
  • TRANSMISSION EFFICIENCY: Improve performance by adding the formula to your transmission fluid to reduce slippage and rough shifting. Brings back...
  • TRANSMISSION LUBRICANT: Cleans varnish for smoother shifting and lubricates bearings, gears, and the hydraulic system. Perfect for both automatic or...
  • ECONOMICAL PREVENTATIVE MAINTENANCE: Pour into transmission fluid to keep the gears lubricated and in top condition. The eco-friendly formula is...
  • TRUSTED QUALITY AND PERFORMANCE: zMAX is proud to be the Official Micro-lubricant of Speedway Motorsports. Trusted for over 80 years, the USA made...
Bestseller No. 11
DR TRANNY LUBEGARD AUTOMATIC TRANSMISSION INSTANT SHUDDER FIX 6 PACK
  • The original transmission shudder fix
  • A concentrated friction modifier formulated specifically for instantly eliminating torque converter lock-up shudder
  • Provides four times less wear than regular ATF
  • For use in any automatic transmission fluid (not for use in Ford Type F or CVT applications)
  • Voted top product by transmission professionals
Bestseller No. 12
XADO Revitalizant EX120 Conditioner for Automatic Gearbox & CVT Tiptronic Transmission Oil Treatment...
  • Rebuilds And Restores Metal Parts And Protects Them From Future Wear.
  • Anti Friction Modifier. Eliminates Surfaces Defects & Protects From Extreme Heat
  • Stops Transmission Shudder, Reduces Noise & Vibration. Ultimate Stop Slipping Additive
  • Increases Performance Reliability And Prolongs Service Life Of Control Gears
  • Universal for Automatic, CVT, Tiptronic, Manumatic, Semi-Automatic Transmission
Bestseller No. 13
BG ATC Plus
  • BG ATC Plus enhances properties of both new and used automatic transmission fluid.
  • It improves fluid oxidation stability, thereby prolonging fluid life and the life of the transmission.
  • It prevents leaks by conditioning hardened seals-keeping them soft and pliable.
  • BG ATC Plus helps control transmission shudder' retards formation of sludge and varnish deposits and prevents foaming.
Bestseller No. 14
Liqui Moly 20040 ATF Additive , 250 ML, 5135
  • Prevents oil loss
  • Regenerates seals, cleans and protects
  • Improve steering characteristic and reduced the noise
  • Damps down shifting operations and protects from wear
  • Lowers repair costs and lengthens the service life
Bestseller No. 15
Lubegard 61910 Highly Friction Modified ATF Supplement, 10 oz.
  • Converts DEXRON II, III / MERCON ATF into a Highly Friction Modified ATF - Transmissions perform more efficiently at lower operating temperatures
  • Anti-chatter in clutch packs (allow penetration overnight for maximum benefit), Anti-shudder with converter clutches (allow penetration overnight for...
  • Prevents overheating, Assists in freeing hung-up governors, Keeps valves free
  • Provides for smoother shifting and reduces drive train power losses, Helps modify harsh shifts and makes them quicker in duration
  • Maintains proper ATF viscosity in torque converters, Inhibits transmission fluid foaming and oxidation, thereby extending fluid life and Reduces...
SaleBestseller No. 16
K&W 402916X6 Trans-X High Mileage Automatic Transmission Treatment - 16 Fl Oz Leak Repair Solution...
  • K&W SEALANTS & SOLUTIONS: From head gaskets and engine blocks to automatic transmissions and power steering, K&W products are made to stop leakage in...
  • TRANS-X LEAK REPAIR FLUID: Specially developed for vehicles with 75,000 miles or more, this automatic transmission fluid extends the transmission...
  • APPLICATION RANGE: Our leak stop fluid is formulated to prevent and restore smooth shifting in vehicles with high mileage. Trans-X is not compatible...
  • SAFE HANDLING: Highly flammable transmission stop slip must be stored in a well-ventilated place away from heat, sparks, and open flame. Wear...
  • PRODUCT SPECIFICATIONS: Trans-X High Mileage Transmission Fluid is available with 16 Fl Oz fill.
Bestseller No. 17
Mophorn Flush Machine DC12V 0-60PSI Automatic Transmission Fluid Exchanger Heavy Duty Transmission...
  • Auto Transmission Flush Machine: Driving Force: (Electric) DC12V; Pressure Gauge: 0-60PSI
  • Oil cycling flow speed monitor; effectively protect the gear-box and remove the grease and metal fillings.
  • Scope: Middle, small gasoline motor car & diesel vehicle; change the oil by the power of gear-box and the exchanger.
  • The transmission oil exchanger has the vehicle in and out of the service bay in less than 15 minutes; easy convenient and no damage to other engine...
  • The automatic refrigerant refill feature maintains a user-selectable amount of refrigerant in an internal vessel and signals when it's time to change...
Bestseller No. 18
K&W 402033X6 Trans-X Automatic Transmission Stop Leak & Tune-Up - 32 Fl Oz Leak Repair Solution for...
  • K&W SEALANTS & SOLUTIONS: From head gaskets and engine blocks to automatic transmissions and power steering, K&W products are made to stop leakage in...
  • TRANS-X STOP LEAK & TUNE-UP: Our formula prevents leaks caused by aged seals & gaskets place. Powerful cleaning agents remove sludge, gums, & varnish...
  • APPLICATION RANGE: Trans-X is formulated to repair leaks in automatic transmissions, power steering, & hydraulic systems, and can be used as...
  • SAFE HANDLING: Highly flammable leak repair solution must be stored in a well-ventilated place away from direct heat. Wear appropriate personal...
  • PRODUCT SPECIFICATIONS: Trans-X Stop Leak & Tune-Up Solution is available with 32 fl oz. fill.
Bestseller No. 19
Cerma Automatic Transmission Treatment - Clean, Revitalize, and Protect Transmission. Restore Smooth...
  • Restores performance and fixes many transmission issues
  • Stops slippage, hesitation and rough shifting in worn transmissions
  • Eliminates most seal leaks and lowers operating temperatures in hard-working units
  • Ideal for all uses including auto, diesel truck, motor homes and commercial vehicles
  • Excellent for preventative maintenance and extends fluid life by up to four times
Bestseller No. 20
XADO Atomic Metal Conditioner Maximum for аutomatic transmissions (Syringe 30ml) (Automatic...
  • Repair Transmission
  • Restores Surfaces and Protects Friction Metal Parts From Wear
  • Eliminates Surface Defects
  • Increases Performance Reliability and Prolongs Service Life Span of Control Mechanisms
  • Reduces Noise and Vibrations

Having trouble finding a great automatic transmission additive?

This problem is well understood by us because we have gone through the entire automatic transmission additive research process ourselves, which is why we have put together a comprehensive list of the best automatic transmission additives available in the market today.

After hours of searching and using all the models on the market, we have found the best automatic transmission additive for 2022. See our ranking below!

How Do You Buy The Best Automatic Transmission Additive?

Do you get stressed out thinking about shopping for a great automatic transmission additive? Do doubts keep creeping into your mind?

We understand, because we’ve already gone through the whole process of researching automatic transmission additive, which is why we have assembled a comprehensive list of the greatest automatic transmission additive available in the current market. We’ve also come up with a list of questions that you probably have yourself.

John Harvards has done the best we can with our thoughts and recommendations, but it’s still crucial that you do thorough research on your own for automatic transmission additive that you consider buying. Your questions might include the following:

  • Is it worth buying an automatic transmission additive?
  • What benefits are there with buying an automatic transmission additive?
  • What factors deserve consideration when shopping for an effective automatic transmission additive?
  • Why is it crucial to invest in any automatic transmission additive, much less the best one?
  • Which automatic transmission additive are good in the current market?
  • Where can you find information like this about automatic transmission additive?

We’re convinced that you likely have far more questions than just these regarding automatic transmission additive, and the only real way to satisfy your need for knowledge is to get information from as many reputable online sources as you possibly can.

Potential sources can include buying guides for automatic transmission additive, rating websites, word-of-mouth testimonials, online forums, and product reviews. Thorough and mindful research is crucial to making sure you get your hands on the best-possible automatic transmission additive. Make sure that you are only using trustworthy and credible websites and sources.

John Harvards provides an automatic transmission additive buying guide, and the information is totally objective and authentic. We employ both AI and big data in proofreading the collected information.

How did we create this buying guide? We did it using a custom-created selection of algorithms that lets us manifest a top-10 list of the best available automatic transmission additive currently available on the market.

This technology we use to assemble our list depends on a variety of factors, including but not limited to the following:

  1. Brand Value: Every brand of automatic transmission additive has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
  2. Features: What bells and whistles matter for an automatic transmission additive?
  3. Specifications: How powerful they are can be measured.
  4. Product Value: This simply is how much bang for the buck you get from your automatic transmission additive.
  5. Customer Ratings: Number ratings grade automatic transmission additive objectively.
  6. Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their automatic transmission additive.
  7. Product Quality: You don’t always get what you pay for with an automatic transmission additive, sometimes less, and sometimes more.
  8. Product Reliability: How sturdy and durable an automatic transmission additive is should be an indication of how long it will work out for you.

John Harvards always remembers that maintaining automatic transmission additive information to stay current is a top priority, which is why we are constantly updating our websites. Learn more about us using online sources.

If you think that anything we present here regarding automatic transmission additive is irrelevant, incorrect, misleading, or erroneous, then please let us know promptly!

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FAQ:

Q: When should you use a transmission additive?

A: Stop Leaks. First and foremost,leaks from rubber seals or solenoids are among the most common gearbox problems. Repair and Rejuvenation. Secondly,transmission additives can repair and clean the internal components damaged through normal wear and tear. Maintenance and Performance. And finally,we have scheduled routine maintenance. … Transmission Type. …

Q: Do transmission fluid additives really work?

A: In most cases, transmission additives work in the same way, no matter what brand they are or what claims they might make. Whether they’re supposed to “quite a noisy transmission” or stop fluid leaks, most of them swell seals and make them softer. On the surface, that’s a good thing.

Q: Is a CVT transmission the same as an automatic?

A: Automatic transmissions have a limited set of fixed gear ratios (typically 5-7), while the CVT has an infinite number of possible gear ratios between a minimum and maximum value. In addition, CVTs have a stepless transmission, where the automatic transmission does not. The controls for the CVT are the same as those found for automatic transmissions.

Q: What is the best brand of transmission fluid?

A: Royal Purple is the best transmission fluid if you are looking for a fluid that is pretty much compatible with any car model. It is a synthetic automatic transmission fluid that has a low coefficient of friction, a high film strength, and is more stable from oxidation.