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10 bestTransmission Additivesof December 2025

112M consumers helped this year.

1

ATP AT-205 Re-Seal Stops Leaks Fast In Engines & Transmissions - English & French 236ml

ATP AT-205 Re-Seal Stops Leaks Fast In Engines & Transmissions - English & French 236ml

ATP AT-205 Re-Seal Stops Leaks Fast In Engines & Transmissions - English & French 236ml

ATP Automotive

9.9

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2

ATF-G Automatic Transmission Fluid

ATF-G Automatic Transmission Fluid

ATF-G Automatic Transmission Fluid

Carlube

9.8

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3

LIQUI MOLY Pro-Line Gear Oil Leak Stop | 500 ml | Oil additive | SKU: 5199

LIQUI MOLY Pro-Line Gear Oil Leak Stop | 500 ml | Oil additive | SKU: 5199

LIQUI MOLY Pro-Line Gear Oil Leak Stop | 500 ml | Oil additive | SKU: 5199

Liqui Moly

9.6

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4

XADO XA 10331 ХАDО REVITALIZANT EX120 for Automatic Transmission (Blister Package, Tube 9 ml)

XADO XA 10331 ХАDО REVITALIZANT EX120 for Automatic Transmission (Blister Package, Tube 9 ml)

XADO XA 10331 ХАDО REVITALIZANT EX120 for Automatic Transmission (Blister Package, Tube 9 ml)

XADO

9.4

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5

XADO Atomic metal conditioner with 1 Stage Revitalizant Maximum for automatic transmission (syringe 30 ml)

XADO Atomic metal conditioner with 1 Stage Revitalizant Maximum for automatic transmission (syringe 30 ml)

XADO Atomic metal conditioner with 1 Stage Revitalizant Maximum for automatic transmission (syringe 30 ml)

XADO

9.2

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OtherRelated productsUp to 23% off

Lucas Oil 10009 Transmission Fix

Lucas Oil 10009 Transmission Fix

LIQUI MOLY Gear-Oil Additive | 20 g | Oil additive | SKU: 1040

LIQUI MOLY Gear-Oil Additive | 20 g | Oil additive | SKU: 1040

XADO Engine Oil Additive + Manual Transmission Gear Additive Against Wear & Protection – 1x 1Stage Maximum + 1x Maximum Transmission

XADO Engine Oil Additive + Manual Transmission Gear Additive Against Wear & Protection – 1x 1Stage Maximum + 1x Maximum Transmission

Lucas Oil 40009 Transmission Fix - 710ml

Lucas Oil 40009 Transmission Fix - 710ml

6

Red Line (50304) MT-90 75W-90 GL-4 Manual Transmission and Transaxle Lubricant (MTL) - 1 Quart.

Red Line (50304) MT-90 75W-90 GL-4 Manual Transmission and Transaxle Lubricant (MTL) - 1 Quart.

Red Line (50304) MT-90 75W-90 GL-4 Manual Transmission and Transaxle Lubricant (MTL) - 1 Quart.

Red Line

8.9

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25% off

7

LIQUI MOLY ATF Additive | 250 ml | Oil additive | SKU: 5135

LIQUI MOLY ATF Additive | 250 ml | Oil additive | SKU: 5135

LIQUI MOLY ATF Additive | 250 ml | Oil additive | SKU: 5135

Liqui Moly

8.7

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8

Lubegard 19610 Instant Shudder Fixx, 2 oz.

Lubegard 19610 Instant Shudder Fixx, 2 oz.

Lubegard 19610 Instant Shudder Fixx, 2 oz.

Lubegard

8.4

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9

XADO Set engine oil additive + automatic transmission additive against wear and protection, 1 x 1 stage maximum + 1 x maximum transmission.

XADO Set engine oil additive + automatic transmission additive against wear and protection, 1 x 1 stage maximum + 1 x maximum transmission.

XADO Set engine oil additive + automatic transmission additive against wear and protection, 1 x 1 stage maximum + 1 x maximum transmission.

XADO

8.2

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10

Lubegard 30903 Gear Fluid Supplement, 8 oz.

Lubegard 30903 Gear Fluid Supplement, 8 oz.

Lubegard 30903 Gear Fluid Supplement, 8 oz.

Lubegard

7.9

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