10 bestTransmission Additivesof July 2026
112M consumers helped this year.
1

Valvoline Type-F Automatic Transmission Fluid - 1 Quart, (Case of 6); 822387-6PK
Valvoline

9.8
2

DR TRANNY LUBEGARD AUTOMATIC TRANSMISSION INSTANT SHUDDER FIX 6 PACK
Lubegard

9.6
3

Bar's Leaks 1400-4PK Transmission Repair-It, 16.9 oz (Pack of 4)
Bar's Leaks

9.3
4

Xado XA 12031 Revitalizant EX120 for Automatic Transmission (8 ml)
XADO

9.1
5

Valvoline ULV Transmission Fluid, 1 Quart
Valvoline

8.8
6

Liqui Moly Gear-Oil Additive (20 g)
Liqui Moly

8.5
7

MANNOL 9991 MOLIBDEN ADDITIVE for Engine | Transmission Oil | All Four-Stroke Petrol and Diesel Engines | Prevents Jamming | Compatible with All Filters | Reduces Noise (1, 350 ML)
MANNOL

8.2
8

Lubegard 19610 Dr. Tranny Instant Shudder Fixx, 2 oz.
Lubegard

8.0
9

BG ATC Plus
BG

7.7
10

MANNOL 8219 ATF SP-IV SP4 OEM FULLY SYNTHETIC AUTOMATIC TRANSMISSION FLUID 236.41 ZF Lifeguardfluid 6/Lifeguardfluid 8 83 22 0 142 516 (1375.4) NWS-9638 T-5 IMPORTED FROM GERMANY (1L)
MANNOL

7.4
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