10 besttransmission additivesof July 2025
112M consumers helped this year.
21% off
1

Lucas 10009 Transmission Fix - 24 oz
Lucas Oil

9.9
2

Lubegard 19610 Dr. Tranny Instant Shudder Fixx 2 Ounce 2 Pack
Lubegard

9.8
3

Lubegard 67010 CVT Recharge & Protect, 10 fl. oz.
Lubegard

9.6
4

XADO EX120 Automatic Transmission Fix - Treatment for CVT & Other Gearbox Types | ATF Additive & Protectant - Reduces Sticking, Shuddering and Slipping
XADO

9.4
5

ATF Conditioner/12x1/ 20 Ounce
Lucas Oil

9.1
Other
6

Liqui Moly 5135 ATF Additive
Liqui Moly

8.8
7

Bar's Leaks 1400-4PK Transmission Repair - 16 oz, (Pack of 4)
Bar's Leaks

8.5
26% off
8

Bar's Leaks 1420 Grey Transmission Stop Leak - 11 oz.
Bar's Leaks

8.2
9

Liqui Moly (3681) Top Tec 1200 Automatic Transmission Fluid - 1 Liter
Liqui Moly

7.9
10

Lubegard 50902 Automatic Transmission Fluid Protectant, 32 oz.
Lubegard

7.6

Best Reviews Guide Newsletter
Get exclusive articles, recommendations, shopping tips, and sales alerts
Sign up for our newsletter to receive weekly recommendations about seasonal and trendy products
Thank you for subscribing!
By submitting your email address you agree to our Terms and Conditions and Privacy Policy