10 besttransmission additivesof May 2026
112M consumers helped this year.
1
Lubegard 19610 Dr. Tranny Instant Shudder Fixx 2 Ounce 2 Pack
Lubegard
9.8
2
Lucas 10009 Transmission Fix - 24 oz
Lucas Oil
9.6
5% off
3
Lubegard 67010 CVT Recharge & Protect, 10 fl. oz.
Lubegard
9.4
4
Bar's Leaks 1400-4PK Transmission Repair - 16 oz, (Pack of 4)
Bar's Leaks
9.1
5
Bar's Leaks 1420 Grey Transmission Stop Leak - 11 oz.
Bar's Leaks
8.8
5% off
6
ATF Conditioner/12x1/ 20 Ounce
Lucas Oil
8.5
7
XADO EX120 Automatic Transmission Fix - Treatment for CVT & Other Gearbox Types | ATF Additive & Protectant - Reduces Sticking, Shuddering and Slipping
XADO
8.2
5% off
8
Lubegard 50902 Automatic Transmission Fluid Protectant, 32 oz.
Lubegard
7.9
9
Sea Foam TT16 Trans Tune - 16 Oz.
Sea Foam
7.6
10
Liqui Moly Pro-Line Automatic Transmission Cleaner 20224 1 Liter (1)
Liqui Moly
7.3
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