10 bestTransmission Additivesof May 2026
112M consumers helped this year.
25% off
1
ATF-G Automatic Transmission Fluid
Carlube
9.8
2
ATP AT-205 Re-Seal Stops Leaks Fast In Engines & Transmissions - English & French 236ml
ATP Automotive
9.6
3
XADO XA 10331 ХАDО REVITALIZANT EX120 for Automatic Transmission (Blister Package, Tube 9 ml)
XADO
9.4
4
XADO EX120 Transmission Oil Additive (8ml) for Manual Transmission, Differentials & Transfer Cases. Reduces Noise, Wear & Vibration, Protects & Repairs
XADO
9.2
5
Red Line (50304) MT-90 75W-90 GL-4 Manual Transmission and Transaxle Lubricant (MTL) - 1 Quart.
Red Line
8.9
Other
Lucas Oil 10009 Transmission Fix
LIQUI MOLY Pro-Line Gear Oil Leak Stop | 500 ml | Oil additive | SKU: 5199
LIQUI MOLY Pro-Line Gear Oil Additive | 150 ml | Oil additive | SKU: 5198
XADO Set engine oil additive + automatic transmission additive against wear and protection, 1 x 1 stage maximum + 1 x maximum transmission.
6
ATP AT-222 Automatic Transmission Instant Shudder Fix - 2 oz.
ATP Automotive
8.7
7
Bar's Leaks 1415 Transmission Fix
Bar's Leaks
8.4
23% off
8
Lucas Oil 40009 Transmission Fix - 710ml
Lucas Oil
8.1
9
LUBEGARD 63010 Platinum Automatic Transmission Fluid Protectant, 10 oz.
Lubegard
7.9
19% off
10
LIQUI MOLY ATF Additive | 250 ml | Oil additive | SKU: 5135
Liqui Moly
7.6
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