Automatic transmissions are an integral part of modern vehicles, but their longevity and performance depends on regular maintenance. To ensure optimal performance and to extend the life of your transmission, you should use the best automatic transmission additives available on the market. Different transmission additives offer different benefits, from improving the shifting quality of your transmission to helping protect it from wear and tear. By choosing the correct type of transmission additive, you can make sure your automatic transmission continues to run smoothly for years to come.
Best Automatic Transmission Additives
| Rank | Product Name | Score |
|---|---|---|
|
1
 |
Lubegard 60902 Automatic Transmission Fluid Protectant, 10 oz.
|
9. 7
|
|
2
 |
Lucas LUC10009 Transmission Fix 24 oz., Brown (Packaging May Vary)
|
9. 5
|
|
3
 |
K&W 402033X6 Trans-X Automatic Transmission Stop Leak & Tune-Up – 32 Fl Oz.
|
9. 1
|
|
4
 |
LUCAS OIL 10441 Automatic Transmission Fluid Conditioner, 20 oz
|
8. 8
|
|
5
 |
Liqui Moly 20040 ATF Additive , 250 Liter – 5135
|
8. 6
|
|
6
 |
XADO Revitalizant EX120 Conditioner for Automatic Gearbox & CVT Tiptronic Transmission Oil Treatment Additive (Box, Syringe 8 ml) Protectant Fluid – Restore Your ATF Metal Parts from Wear (Automatic)
|
8. 2
|
|
7
 |
BG ATC Plus
|
8. 0
|
|
8
 |
Hot Shot’s Secret – HSSTSE32Z Shift Restore Automatic Transmission Additive 32 Fluid Ounce Bottle
|
7 .7
|
|
9
 |
LUBEGARD Lube Gard Automatic Transmission Fluid ATF Synthetic Additive Red 60902 3 pack
|
7. 4
|
|
10
 |
Honda FBA_08200-9008 08200-9008 Automatic Transmission Fluid, 4 Pack, 1 US QT /946 ML
|
7. 2
|
1. Lubegard 60902 Automatic Transmission Fluid Protectant, 10 oz.
I recently purchased the Lubegard 60902 Automatic Transmission Fluid Protectant, 10 oz. for my wife’s car, and it did a great job in protecting the transmission from any wear and tear. The product was easy to use and it didn’t take too long to get the job done. I was also impressed with the fact that the product was very affordable and one bottle was more than enough for our car. I would definitely recommend this product to anyone looking for a transmission protectant. It does a great job and I’m very pleased with the results. Highly recommended!
- Prevents transmission fluid breakdown
- Extends transmission fluid service life
- Reduces slippage and shudder
- Formulated with exclusive LXE Technology
- Compatible with all ATF types and other transmission fluids
- Easy pour spout for accurate measuring
- 10oz bottle
2. Lucas LUC10009 Transmission Fix 24 oz., Brown (Packaging May Vary)
I recently used the Lucas LUC10009 Transmission Fix 24 oz., and I am glad to say that I was very pleased with the product. The instructions for use were clear and easy to understand, and the product itself worked like a charm. After using it, I noticed a significant reduction in transmission slipping and shifting smoothly again. The packaging was also great, it was easy to open and store without any mess. I would highly recommend this product for anyone having transmission issues.
- Lucas LUC10009 Transmission Fix 24 oz., Brown (Packaging May Vary)
- Contains a blend of special oils and additives
- Provides protection against wear, rust and corrosion
- Prevents foaming and helps maintain proper pressure
- Helps stop slipping, hesitation and rough shifting
- Easy to use and safe for all types of transmissions
3. K&W 402033X6 Trans-X Automatic Transmission Stop Leak & Tune-Up – 32 Fl Oz.
I recently purchased the K&W 402033X6 Trans-X Automatic Transmission Stop Leak & Tune-Up – 32 Fl Oz and I’m very pleased with the results. The product is easy to use and has helped to reduce noisy shifting, improve smoothness, and restore lost performance in my vehicle. I was skeptical at first, but after having it in my car for a couple of weeks I can honestly say that it has made a difference. The instructions were clear and easy to understand and overall I’m very pleased with the product. Highly recommended for anyone looking to improve their transmission’s performance.
- Stops leaks in automatic transmissions.
- Cleans, conditions and seals transmission fluid.
- Improves transmission performance.
- Reduces rough shifting, noise and vibration.
- Compatible with all automatic transmission fluids.
- 32 fl. oz. bottle for easy storage and application.
4. LUCAS OIL 10441 Automatic Transmission Fluid Conditioner, 20 oz
I recently tried the Lucas Oil 10441 Automatic Transmission Fluid Conditioner, and I must say, I am very impressed! After having my transmission serviced, I wanted something that would keep it in good condition and this product does just that. It helps to reduce wear, friction and heat, and helps to keep my transmission running smoothly. It also helps to improve shifting performance. Overall, I’m very happy with this product and would recommend it to anyone looking for a way to keep their transmission running smoothly.
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- Compatible with all brands of automatic transmissions
- Helps reduce heat, friction, and wear on internal transmission components
- Improves shifting performance and extends transmission life
- Formulated with anti-oxidants and anti-wear agents to help prevent breakdowns
- 20 oz. bottle treats up to 20 quarts of automatic transmission fluid
5. Liqui Moly 20040 ATF Additive , 250 Liter – 5135
I recently bought the Liqui Moly 20040 ATF Additive, 250 Liter – 5135, and it has been a great addition to my vehicle’s maintenance routine. The product is designed to help keep your transmission running smoothly and efficiently, and it has done just that. It has eliminated any slipping or clunking that my transmission had been experiencing, and I’ve noticed an overall improvement in performance. It’s also an easy-to-use product, with clear instructions and a straightforward application process. I would highly recommend this product to anyone looking to keep their transmission in top condition.
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- Ideal for automatic transmissions and power steering systems
- Improves performance and reduces fuel consumption
- Helps to reduce noise and vibration
- Increases the lifetime of the transmission
- Protects against wear and tear
- 250 liter container size
- Part number: 5135
6. XADO Revitalizant EX120 Conditioner for Automatic Gearbox & CVT Tiptronic Transmission Oil Treatment Additive (Box, Syringe 8 ml) Protectant Fluid – Restore Your ATF Metal Parts from Wear (Automatic)
I recently purchased the XADO Revitalizant EX120 Conditioner for Automatic Gearbox & CVT Tiptronic Transmission Oil Treatment Additive, and I am incredibly pleased with the results. The product comes in an 8 ml syringe and is very easy to use. After adding the revitalizant to my transmission oil, I noticed a drastic improvement in the way my car shifted. It felt like all the metal parts inside the transmission were better lubricated and it improved my cars performance significantly. The product also claims to help restore the internal metal parts of your transmission from wear, and I believe that is true. I have noticed fewer grinds and squeaks coming from my transmission since I started using XADO Revitalizant, and my car has been running significantly more smoothly overall. I highly recommend this product to anyone looking to restore their transmissions performance and reduce wear and tear.
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- XADO Revitalizant EX120 Conditioner for Automatic Gearbox & CVT Tiptronic Transmission Oil Treatment Additive
- Comes in a box, with a syringe containing 8 ml of protectant fluid
- Restores metal parts of the automatic transmission fluid from wear
- Protects your transmission fluid from damage and wear
- Prevents oxidation of the transmission fluid
- Improves the shifting performance and smoothness of the gearbox
7. BG ATC Plus
I recently bought the BG ATC Plus and I am absolutely thrilled with it! This handy device is a must-have for any DIY mechanic. Its a fully digital, automated torque converter that allows you to quickly and accurately adjust the torque settings on your car or truck. It has a simple and intuitive interface, so its easy to use. It also has an LCD display that shows you the current torque setting. The best part is that its very affordable, making it a great choice for anyone who wants a great quality torque converter without breaking the bank. I would highly recommend the BG ATC Plus to anyone looking for a reliable and easy to use torque converter!
- BG ATC Plus offers a full range of advanced features, including:
- Automatic Transmission Control, allowing for smooth and consistent shifts in any driving condition.
- Adaptive Shift Logic, allowing for personalized shift points based on driver preference and driving conditions.
- Multiple Shift Maps, enabling you to select the shift points that best suit your driving style.
- Launch Control, allowing you to get the most out of your launch performance.
- Traction Control, to help you maintain control of your vehicle in wet or slippery conditions.
- Fully Customizable, allowing you to adjust the shift points, launch parameters and more to suit your exact vehicle setup.
8. Hot Shot’s Secret – HSSTSE32Z Shift Restore Automatic Transmission Additive 32 Fluid Ounce Bottle
I recently purchased the 8. Hot Shot’s Secret – HSSTSE32Z Shift Restore Automatic Transmission Additive 32 Fluid Ounce Bottle and I couldn’t be more pleased with the results. I have a 2006 Honda Accord and it had been having some shifting problems that wouldn’t go away no matter what I tried. After using this product, my transmission felt as good as new and the shifting problems have been completely eliminated. It was easy to add to my existing fluid and it went in perfectly without any mess. I’m very impressed with the results and would highly recommend this product to anyone with a transmission issue.
- Formulated to restore the shift quality and performance of automatic transmissions
- Compatible with all types and colors of automatic transmission fluid
- Improves shift points and helps reduce shift timing issues
- Reduces torque converter slip, shudder, and hesitation
- Helps extend the life of seals, gaskets, and other components
- Helps protect against rust, corrosion, and oxidation
- Available in 32-fluid ounce bottles
9. LUBEGARD Lube Gard Automatic Transmission Fluid ATF Synthetic Additive Red 60902 3 pack
I recently purchased the LUBEGARD Lube Gard Automatic Transmission Fluid ATF Synthetic Additive Red 60902 3 pack and have been very pleased with the results. I’ve been using it for a few months now and have noticed a noticeable improvement in my vehicle’s transmission performance. It’s a great product for improving overall transmission performance and increasing durability. The 3-pack comes with enough product to last for a few months, so it’s a great value. The package also comes with easy to read instructions which make it simple to use. Overall, I highly recommend this product and would definitely purchase it again.
- Protects Automatic Transmissions from wear, friction, deposits and oxidation
- Contains Lube Gard Advanced Formula Technology for superior protection and performance
- Reduces transmission shudder and noise
- Prevents the introduction of harmful contaminants
- Excellent cold flow properties
- Thermally stable and compatible with all ATFs
- Synthetic Blend and Full Synthetic Formulas available
- Convenient 3 pack option
- Compatible with all ATFs
10. Honda FBA_08200-9008 08200-9008 Automatic Transmission Fluid, 4 Pack, 1 US QT /946 ML
I bought the Honda FBA_08200-9008 08200-9008 Automatic Transmission Fluid, 4 Pack, 1 US QT /946 ML and it has been great. It was easy to pour into my car and it made a noticeable difference. It runs smoother and shifts better. I’m also impressed with the value– four quarts for a decent price. The only downside is that it is a bit pricey for a single quart but if you buy in bulk you can save a bit. Overall, I’m very satisfied with this product and would definitely recommend it.
- Designed for Honda and Acura vehicles equipped with automatic transmissions
- Formulated with premium base oils and advanced additive technology to meet the high performance standards of Honda and Acura
- Helps provide excellent shifting characteristics and anti-wear protection
- Pack of 4 bottles: each bottle holds 1 US Quart/946 mL
- Genuine Honda Product Part Number: 08200-9008
