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10 besttransmission additivesof December 2025

112M consumers helped this year.

7% off

1

Lucas 10009 Transmission Fix - 24 oz
Lucas 10009 Transmission Fix - 24 oz

Lucas Oil

10.0

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2

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

Lubegard

10.0

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5% off

3

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

Lubegard

9.8

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4

Liqui Moly 5135 ATF Additive
Liqui Moly 5135 ATF Additive

Liqui Moly

9.6

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5

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

Bar's Leaks

9.3

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Related products

Sea Foam TT16 Trans Tune - 16 Oz.

Sea Foam TT16 Trans Tune - 16 Oz.

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

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

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Lucas Oil Transmission Fix 24 Oz.

Lucas Oil Transmission Fix 24 Oz.

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6

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

Bar's Leaks

9.1

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7

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

XADO

8.8

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14% off

8

ATF Conditioner/12x1/ 20 Ounce
ATF Conditioner/12x1/ 20 Ounce

Lucas Oil

8.5

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9

Lubegard 50902 Automatic Transmission Fluid Protectant, 32 oz.
Lubegard 50902 Automatic Transmission Fluid Protectant, 32 oz.

Lubegard

8.2

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10

Liqui Moly Pro-Line Automatic Transmission Cleaner 20224 1 Liter (1)
Liqui Moly Pro-Line Automatic Transmission Cleaner 20224 1 Liter (1)

Liqui Moly

7.9

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