10 bestTransmission Leak Sealerof May 2025
112M consumers helped this year.
1

ATP AT-205 Re-Seal Stops Leaks, 8 Ounce Bottle
ATP Automotive

9.8
2

LUCAS LUC10009 Transmission Fix 24 oz, Brown
Lucas Oil

9.6
3

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

9.4
4

Bar's Leaks 1414 CVT Transmission Fix - 11 oz.
Bar's Leaks

9.1
5

Bar's Leaks 1334-5PK One Seal Stop Leak - 11 oz, (Pack of 5)
Bar's Leaks

8.9
6

BlueDevil Transmission Sealer
BlueDevil Products

8.6
7

Permatex 81180 Automatic Transmission RTV Sealant, 3 oz. Tube , Gray
Permatex

8.3
8

MANNOL Getriebeoel Leak-Stop 9968 ELIMINATE LEAK through Rubber| Plastic seals | Gaskets | Manual transmissions | Board gearboxes | Compatible with any oil | IMPORTED FROM GERMANY (250ML)
MANNOL

8.0
9

Bar's Leaks 1420-6PK Transmission Stop Leak - 11 oz., (Pack of 6)
Bar's Leaks

7.7
10

Rislone 4502 Transmission Stop Slip with Leak Repair - 32 oz.
Rislone

7.4

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