Best Transmission Additives In May 2022

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In this article, we will present the top 10 Best Transmission Additives available on the market, along with our expert reviews. Get one of them and have fun! You’ll love it!

To help you in your search, we have completed this list of the Best Transmission Additives.

Top Rated Best Transmission Additives Of 2022

Rank Product Name Score
1
LUCAS LUC10009 Transmission Fix 24 oz, Brown
LUCAS LUC10009 Transmission Fix 24 oz, Brown
9.7
2
XADO Revitalizant EX120 Conditioner for Automatic Gearbox & CVT Tiptronic Transmission Oil Treatment
XADO Revitalizant EX120 Conditioner for Automatic Gearbox & CVT Tiptronic Transmission Oil Treatment
9.5
3
Lubegard 63010 Platinum Universal ATF Protectant, 10 oz
Lubegard 63010 Platinum Universal ATF Protectant, 10 oz
9.1
4
LUCAS OIL 10441 Automatic Transmission Fluid Conditioner, 20 oz
LUCAS OIL 10441 Automatic Transmission Fluid Conditioner, 20 oz
8.8
5
Lubegard 60902 Automatic Transmission Fluid Protectant, 10 oz
Lubegard 60902 Automatic Transmission Fluid Protectant, 10 oz
8.6
6
Liqui Moly 20040 ATF Additive
Liqui Moly 20040 ATF Additive
8.3
7
Slick 50 41806015 Recharged High Mileage Automatic Transmission and Engine Treatment, 15-Ounce
Slick 50 41806015 Recharged High Mileage Automatic Transmission and Engine Treatment, 15-Ounce
8.1
8
Prolong Super Lubricants PSL15000 Transmission Treatment - 8 oz
Prolong Super Lubricants PSL15000 Transmission Treatment - 8 oz
7.8
9
zMax 51-306 Transmission Formula, 6 oz
zMax 51-306 Transmission Formula, 6 oz
7.5
10
Bar's Leaks 1416 Super Transmission Fix - 16.9 oz
Bar's Leaks 1416 Super Transmission Fix - 16.9 oz
7.2

1. LUCAS LUC10009 Transmission Fix 24 oz, Brown

1
9.7/10 our score

  • Lucas transmission fix stops slip, hesitation, rough shifting in worn transmissions and completely eliminates most seal leaks.

2. XADO Revitalizant EX120 Conditioner for Automatic Gearbox & CVT Tiptronic Transmission Oil Treatment

2
9.5/10 our score

  • Increases performance reliability and prolongs service life of control gears.
  • Stops transmission shudder, reduces noise & vibration.
  • Universal for automatic, cvt, tiptronic, manumatic, semi-automatic transmission.
  • Rebuilds and restores metal parts and protects them from future wear..
  • Anti friction modifier.

3. Lubegard 63010 Platinum Universal ATF Protectant, 10 oz

3
9.1/10 our score

  • Extends fluid change intervals, protects and restores seals for optimum performance, conditions and restores seals and o-rings.
  • The original universal atf protectant that eliminates atf confusion and the need to stock multiple atf's - dramatically reduces friction and wear on metal parts and internal components.
  • Will not alter the crucial sulfur balance in your transmission fluid, prevents overheating, will not harm yellow metals, inhibits fluid oxidation and foaming.
  • Does not contain any harmful components such as zinc (zddp)/ash, etc., like other competing products, frees stuck valves and keeps them free, ensures proper shifts.
  • Contains patented synergol tms technology, a synthetic molecule that tightens the shift cycle without losing the friction modification at lockup, which eliminates shudder.

4. LUCAS OIL 10441 Automatic Transmission Fluid Conditioner, 20 oz

4
8.8/10 our score

  • Improves shifting, reduces noise and shudder, extends fluid life.
  • A special blend of lucas additives designed to prevent slipping, leaks and wear in automatic transmissions.
  • Through creativity, productivity and innovation - this brand continues to develop the finest automotive accessories.

5. Lubegard 60902 Automatic Transmission Fluid Protectant, 10 oz

5
8.6/10 our score

  • Extends fluid life / raises the thermal and oxidative stability of the fluid.
  • Only protectant that increases the fluids ability to transfer heat / protects new seals and permanently restores older seals to a like-new condition, without adverse side effects.
  • 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.

6. Liqui Moly 20040 ATF Additive

6
8.3/10 our score

  • Regenerates seals, cleans and protects.
  • Prevents oil loss.
  • Improve steering characteristic and reduced the noise.
  • Damps down shifting operations and protects from wear.
  • Lowers repair costs and lengthens the service life.

7. Slick 50 41806015 Recharged High Mileage Automatic Transmission and Engine Treatment, 15-Ounce

7
8.1/10 our score

  • Can be added anytime or while doing a transmission fluid change, leave adequate fill space.
  • Restores atf additive content and provides additional protection to transmissions.
  • Helps erratic shift and loss of torque.
  • Helps eliminate transmission shudder.
  • Prevents transmission leaks and aids high mileage transmissions by lubricating seals.

8. Prolong Super Lubricants PSL15000 Transmission Treatment - 8 oz

8
7.8/10 our score

  • 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.
  • Features a formula that promotes smoother manual shifts and helps restore responsiveness in automatic transmissions.
  • Offers to treat the metal surfaces of both standard (manual) and automatic transmissions.
  • Includes a formula with anti-friction metal treatment technology.

9. zMax 51-306 Transmission Formula, 6 oz

9
7.5/10 our score

  • Improved shifting.
  • Improved performance.
  • Reduced wear on vital parts.
  • Not for use in cvt transmissions.

10. Bar's Leaks 1416 Super Transmission Fix - 16.9 oz

10
7.2/10 our score

  • Renews worn bands.
  • Bar's leaks super transmission fix is a synthetic blend treatment for transmission fluid, seals, metal surfaces, bands and clutch plates..
  • Stop slipping, rough shifting, & seals fluid leaks.
  • Reduces noise.
  • Works in all automatic, manual, cvt, & dual clutch transmissions.

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