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7 bestTransmission Leak Sealerof June 2025

112M consumers helped this year.

1

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

Lucas Oil

9.7

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53% off

2

Bar's Leaks 1414 CVT Transmission FIX, 11. Fluid_Ounces
Bar's Leaks 1414 CVT Transmission FIX, 11. Fluid_Ounces

Bar's Leaks

9.4

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13% off

3

BlueDevil Transmission Sealer - 16 Ounce (00236)
BlueDevil Transmission Sealer - 16 Ounce (00236)

BlueDevil Products

9.2

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4

ATP Transmission Parts ATP AT-202 Synthetic Automatic Fluid Protectant
ATP Transmission Parts ATP AT-202 Synthetic Automatic Fluid Protectant

ATP Automotive

8.9

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26% off

5

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

Bar's Leaks

8.6

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5% off

6

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

Bar's Leaks

8.3

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41% off

7

Bar's Leaks 1400 Transmission Repair - 16 oz.
Bar's Leaks 1400 Transmission Repair - 16 oz.

Bar's Leaks

8.0

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